Cadillac Vehicle Models CTS 2003-2007 Torque Specifications
Cadillac Vehicle Models CTS 2003-2007

Cadillac Vehicle Models CTS 2003-2007 Torque Specifications

Complete Cadillac Vehicle Models CTS 2003-2007 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.

Updated

Important Information

Safety guidelines and reference information for proper torque application

Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083

Common Torque Patterns

Star Pattern

Used for wheels and other circular bolt patterns

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

Common Mistakes to Avoid

Over-tightening

Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.

Prevention:

Always use a calibrated torque wrench and follow specifications exactly.

Incorrect Torque Sequence

Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.

Prevention:

Follow the manufacturer's specified torque sequence pattern.

Dirty Threads

Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.

Prevention:

Clean and inspect all threads before assembly. Use new thread locker if specified.

Reusing TTY Bolts

Torque-to-yield bolts are designed to stretch and must not be reused.

Prevention:

Always replace TTY bolts with new ones. They are single-use only.

Dry vs. Lubricated

Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.

Prevention:

Check if specs are for dry or lubricated threads. Use specified lubricant when required.

Recommended Tools

Torque Wrench (1/4" Drive)

Range: 2-25 ft-lbs
Small fasteners, delicate components

Torque Wrench (3/8" Drive)

Range: 10-100 ft-lbs
Most common automotive fasteners

Torque Wrench (1/2" Drive)

Range: 30-250 ft-lbs
Large fasteners, wheels

Angle Gauge

Torque-to-yield (TTY) bolts

Torque Wrench Care

  • Calibrate annually or after 5,000 clicks
  • Store at lowest setting
  • Keep clean and lubricated

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Torque Calculator

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2.8l Engine

Torque specifications for 2.8L Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 18 ft-lbs (25 N·m) 2. 90° 3. 90°
Important Notes
Use a three-step torque sequence. Initial torque, then two separate 90-degree turns. Always use new bolts. Estimated thread pitch.
2

Camshaft Bearing Cap Bolts

M8 x 1.25
Torque Specification
1. 7 ft-lbs (10 N·m) 2. 60°
Important Notes
Use a two step sequence. Initial torque, then a 60 degree turn. Always use new bolts. Estimated values and torque to yield sequence.

Engine Block

1

Main Bearing Bolts

M10 x 1.5
Torque Specification
1. 30 ft-lbs (41 N·m) 2. 80 ft-lbs (108 N·m)
Important Notes
Multiple torque steps are required. Estimated bolt size, and estimated torque to yield sequence.
2

Oil Pan Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Tighten bolts in a criss-cross pattern. Estimated bolt size.
3

Oil Drain Plug

M14 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a new crush washer. Estimated bolt size.
4

Oil Filter Housing Bolts

M8 x 1.25
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Estimated value for 'Hand Tight' specification.
5

Crankshaft Pulley/Harmonic Balancer Bolt

M14 x 1.5
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Estimated bolt size.
6

Crank Position Sensor Bolt

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated bolt size.
7

Knock Sensor

M8 x 1.25
Torque Specification
14.7 ft-lbs (20 N·m)
Important Notes
Estimated bolt size.
8

Water Pump Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a new gasket. Estimated bolt size.

Connecting Rods

1

Connecting Rod Nuts

M9 x 1.0
Torque Specification
1. 15 ft-lbs (20 N·m) 2. 27 ft-lbs (37 N·m)
Important Notes
Two step torque sequence is required. Estimated bolt size and torque to yield sequence.

Flywheel

1

Flywheel Bolts

M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated bolt size.

Valvetrain

1

Valve Cover Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Tighten bolts in a criss-cross pattern. Estimated bolt size.
2

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated bolt size.
3

Rocker Arms/Shafts Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated bolt size.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated bolt size.

Intake System

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Tighten bolts in a criss-cross pattern. Estimated bolt size.
2

Throttle Body Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated bolt size.
3

EGR Valve Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated bolt size.
4

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated bolt size.
5

Fuel Injector Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated bolt size.

Exhaust System

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Tighten bolts in a criss-cross pattern. Use a new gasket. Estimated bolt size.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated bolt size.

Cooling System

1

Water Pump Pulley Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated bolt size.
2

Thermostat Housing Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Use a new gasket. Estimated bolt size.
3

Coolant Temperature Sensor

M12 x 1.5
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Estimated value. Sensor may have integrated seal, or require a sealing washer.

Electrical System

1

Ignition Coil Bolt

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated bolt size.
2

Spark Plugs

M14 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated bolt size.

Engine Mounts

1

Engine Mounting Bolts

M12 x 1.75
Torque Specification
47 ft-lbs (64 N·m)
Important Notes
Estimated bolt size.

3.6l Engine

Torque specifications for 3.6L Engine

Cylinder Head

1

Cylinder Head Bolts

M11 x 1.5
Torque Specification
1. 18 ft-lbs (25 N·m) 2. 90°
Important Notes
Torque to 18 ft-lbs (25 N·m), then tighten an additional 90 degrees. Use a proper torque sequence. Torque-to-yield bolts; must be replaced when removed.
2

Camshaft Bearing Cap Bolts

M8 x 1.25
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Torque in sequence. Estimated value, verify with service manual.
3

Rocker Arm Shaft Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure rocker arms are correctly positioned prior to torquing. Formerly 89 in-lbs, value converted to ft-lbs.
4

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure camshaft is locked in position prior to torquing.
5

Variable Valve Timing (VVT) Actuator Bolts/Solenoid Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated value, verify with service manual.

Engine Block

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Torque in sequence. Verify in service manual.
2

Oil Pan Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Use a new gasket. Formerly 97 in-lbs, value converted to ft-lbs
3

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a new crush washer.
4

Oil Filter Housing Bolt

M27 x 2.0
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Hand-tight plus specific torque to ensure the correct seal.
5

Water Pump Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a new gasket or sealant.
6

Water Pump Pulley Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)

Connecting Rods

1

Connecting Rod Nuts

M9 x 1.0
Torque Specification
27 ft-lbs (37 N·m)
Important Notes
Use new nuts. Verify in service manual.

Crankshaft

1

Flywheel Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Use new bolts. Verify in service manual.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 2.0
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Use a new bolt. Verify in service manual.
3

Crank Position Sensor Bolt

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated value, verify with service manual. Formerly 89 in-lbs, value converted to ft-lbs.

Timing System

1

Timing Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
2

Camshaft Position Sensor Bolt

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated value, verify with service manual. Formerly 89 in-lbs, value converted to ft-lbs.

Intake System

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Torque in a proper sequence. Verify in service manual.
2

Intake Manifold Plenum Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Estimated value, verify with service manual. Formerly 89 in-lbs, value converted to ft-lbs.
3

Throttle Body Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Formerly 89 in-lbs, value converted to ft-lbs. Verify with service manual.
4

EGR Valve Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
5

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Formerly 89 in-lbs, value converted to ft-lbs.
6

Fuel Injector Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Formerly 89 in-lbs, value converted to ft-lbs. This assumes the injectors are bolted, not just installed into the rail
7

Fuel Injector Rail Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Formerly 89 in-lbs, value converted to ft-lbs.

Exhaust System

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Torque in sequence. Verify in service manual
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)

Cooling System

1

Thermostat Housing Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Formerly 89 in-lbs, value converted to ft-lbs. Use a new gasket or sealant.

Accessory Drive

1

Serpentine/Accessory Drive Belt Tensioner Bolt

M10 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
2

Drive Belt Idler Pulley Bolt

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)

Ignition System

1

Spark Plugs

M14 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Use a new spark plug with anti-seize compound on the threads.
2

Ignition Coil Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Formerly 89 in-lbs, value converted to ft-lbs. Verify with service manual.

Sensors

1

Knock Sensor Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value, verify with service manual.

5.7l Engine

Torque specifications for 5.7L Engine

Cylinder Head

1

Cylinder Head Bolts (Long Bolts)

M11 x 2.0
Torque Specification
1. 22 ft-lbs (30 N·m) 2. 90°
Important Notes
Torque-to-yield bolts, must be replaced after removal. Tighten using the specified torque sequence. Final torque is achieved by the 90 degree angle turn after the initial torque.
2

Cylinder Head Bolts (Short Bolts)

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
These are the shorter bolts, usually used near the center of the head and do not require an angle torque step. Use the same tightening pattern as the long bolts.
3

Valve Cover Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Tighten using a crisscross pattern. Do not over-tighten, as this can damage the valve cover.
4

Rocker Arm Trunnion Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure proper alignment of rocker arm components before tightening.

Engine Block

1

Main Bearing Cap Bolts (Large)

M12 x 1.75
Torque Specification
1. 15 ft-lbs (20 N·m) 2. 70°
Important Notes
Torque-to-yield bolts, must be replaced after removal. Apply specified tightening sequence. Final torque is achieved by the 70 degree angle turn after the initial torque.
2

Main Bearing Cap Bolts (Small)

M8 x 1.25
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
These are the smaller main cap bolts and only require a single torque spec.
3

Connecting Rod Nuts

M9 x 1.0
Torque Specification
1. 15 ft-lbs (20 N·m) 2. 70°
Important Notes
Torque-to-yield nuts, must be replaced after removal. Tighten using a cross pattern in the same way a wheel would be tightened. Final torque is achieved by the 60-75 degree angle turn after the initial torque.
4

Oil Pan Bolts

M6 x 1.0
Torque Specification
8.1 ft-lbs (11 N·m)
Important Notes
Tighten using a crisscross pattern to ensure an even seal.
5

Oil Drain Plug Bolt

M12 x 1.75
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Always use a new crush washer.
6

Oil Pump Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Tighten using a cross pattern.
7

Oil Filter Housing Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a light amount of oil on the o-ring when installing.
8

Oil Filter Cap

N/A
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a light amount of oil on the o-ring when installing. A torque wrench is recommended instead of hand tight to avoid leaks.
9

Knock Sensors

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Do not over-tighten. Ensure the sensors are correctly seated.
10

Camshaft Retainer Plate Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Tighten evenly to ensure proper camshaft retention.
11

Rear Cover Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the rear cover is properly aligned before tightening. Use new gasket.
12

Timing Cover Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use new gaskets or sealant. Ensure proper alignment before tightening.
13

Timing Chain Guide Bolt

M6 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the timing chain guide is properly aligned before tightening.

Rotating Assembly

1

Flywheel Bolts

M11 x 1.5
Torque Specification
1. 37 ft-lbs (50 N·m) 2. 90°
Important Notes
Use threadlocker compound (Loctite) on the bolts. Use new bolts whenever possible. Torque-to-yield bolts. Final torque is achieved by the 90 degree angle turn after the initial torque. Tighten using a cross pattern.
2

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 2.0
Torque Specification
1. 74 ft-lbs (100 N·m) 2. 180°
Important Notes
Torque-to-yield bolt, must be replaced after removal. Final torque is achieved by the 180 degree angle turn after the initial torque.

Intake System

1

Intake Manifold Bolts

M6 x 1.0
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Use a crisscross pattern when tightening to ensure even pressure and sealing.
2

Intake Manifold MAP Sensor Bolt

M6 x 1.0
Torque Specification
7.5 ft-lbs (10 N·m)
Important Notes
Do not over-tighten to avoid damaging the sensor.
3

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7.5 ft-lbs (10 N·m)
Important Notes
Tighten evenly to ensure proper sealing of fuel rail to manifold.
4

Fuel Injector Bolts

M6 x 1.0
Torque Specification
7.5 ft-lbs (10 N·m)
Important Notes
Do not over-tighten, as this can damage the injectors. Ensure the injectors are properly seated.
5

EGR Valve Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Tighten evenly to ensure proper sealing.

Exhaust System

1

Exhaust Manifold/Header Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Tighten bolts in a staggered, cross pattern from the center out.

Cooling System

1

Water Pump Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Tighten evenly to ensure proper sealing. Use new gasket or sealant as needed.
2

Water Pump Pulley Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Tighten using a cross pattern.
3

Thermostat Housing Bolts

M6 x 1.0
Torque Specification
7.5 ft-lbs (10 N·m)
Important Notes
Ensure proper alignment and sealing.

Ignition System

1

Spark Plugs

M14 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Always use anti-seize on spark plug threads when applicable. Do not over-tighten.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
This refers to the mounting bolts for the tensioner, not the tensioner itself.
2

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
1. 26 ft-lbs (35 N·m) 2. 50°
Important Notes
This is typically a torque-to-yield bolt, and requires an angle tightening procedure for the final torque.

Accessory Drives

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the starter is correctly aligned to the engine block.
2

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure the alternator is correctly aligned before tightening.
3

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment before tightening. Check belt tension after install.
4

Power Steering Pump Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment before tightening. Check belt tension after install.

5l40 Transmission

Torque specifications for 5l40 Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M12 x 1.75
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper alignment before tightening. These bolts may be accessible from under the vehicle and should be tightened evenly.
2

Bellhousing Bolts to Engine

M12 x 1.75
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
These bolts connect the bellhousing to the engine block. Check for torque-to-yield bolts and replace if needed. Ensure the mating surfaces are clean and free of debris.

Transmission Case

1

Transmission Case Bolts

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Tighten in a cross pattern or a circular pattern from the center outwards. Ensure even tightening to prevent leaks or case distortion. May be a higher value on some models, inspect service manual.

Oil Pan

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
8.08 ft-lbs (11 N·m)
Important Notes
Tighten in a cross pattern to avoid leaks and pan warping. Over-tightening can cause damage. Use a new gasket for a reliable seal.

Fluid Plugs

1

Transmission Drain and Fill Plugs

M18 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Always use a new crush washer or sealing ring. Do not over tighten, which may damage threads or sealing surfaces.

Valve Body

1

Valve Body Mounting Bolts

M6 x 1.0
Torque Specification
7.41 ft-lbs (10 N·m)
Important Notes
Tighten in a cross pattern. Use caution not to overtighten, and damage threads or the valve body. Ensure a new gasket if required. Use a Torx T30 driver.
2

Internal Transmission Filter Bolts

M6 x 1.0
Torque Specification
7.41 ft-lbs (10 N·m)
Important Notes
Ensure filter is seated properly. Use caution not to overtighten, and damage threads or the valve body. These bolts may have a T30 Torx head.

Solenoids And Sensors

1

Solenoid Mounting Bolts

M6 x 1.0
Torque Specification
7.41 ft-lbs (10 N·m)
Important Notes
These bolts are typically small and require precision tightening. Ensure the solenoids are correctly positioned with o-rings properly seated before tightening. May have a T30 Torx head.
2

Transmission Range Switch Mounting Bolts

M6 x 1.0
Torque Specification
7.41 ft-lbs (10 N·m)
Important Notes
Do not overtighten these bolts, may damage sensor or housing. Use a Torx T30 driver.

Output Shaft

1

Output Shaft Nut

M24 x 2.0
Torque Specification
177 ft-lbs (240 N·m)
Important Notes
This nut may be a one-time use nut. Ensure proper seating of all components before tightening. The nut may have to be staked.

Drive Axle

1

Drive Axle/Half Shaft Bolts

M12 x 1.75
Torque Specification
89 ft-lbs (121 N·m)
Important Notes
Tighten in a cross pattern. Ensure the half-shaft flange is properly seated against the transmission flange, and mating surfaces are clean. These can be internal hex bolts.

6.0l Engine

Torque specifications for 6.0L Engine

Cylinder Head

1

Cylinder Head Bolts (Long)

M11 x 2.0
Torque Specification
1. 18 ft-lbs (25 N·m) 2. 90° 3. 70°
Important Notes
Torque-to-yield bolts. Use a new set of bolts for each installation. Torque in sequence using the specified angle procedure. Final angle may require additional research for absolute accuracy.

Crankshaft And Rotating Assembly

1

Main Bearing Bolts

M12 x 1.75
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensure proper main bearing cap orientation. Torque in a specific sequence. Multiple torque stages may be present in service manual, see the specific service manual for your vehicle.
2

Connecting Rod Nuts

M9 x 1.25
Torque Specification
27 ft-lbs (37 N·m)
Important Notes
Ensure proper connecting rod cap orientation. Check the specific service manual for additional angle torque if required.
3

Flywheel Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Apply thread locker. Torque in a star pattern to ensure even clamping pressure. Multiple torque stages may be present in service manual, see the specific service manual for your vehicle.
4

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 2.0
Torque Specification
1. 74 ft-lbs (100 N·m) 2. 75°
Important Notes
This is a Torque to Yield bolt, it requires an initial torque and then a specific angular turn. Use a new bolt each time. Failure to follow the angle procedure may lead to the bolt loosening during engine operation. Angle may need to be verified depending on specific model year.

Valvetrain

1

Valve Cover Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Use a crisscross pattern to ensure even sealing. Overtightening can cause leaks or damage to the valve cover.
2

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper timing chain or belt tension. Do not overtighten this bolt as it could lead to premature tensioner wear or failure. Check for correct orientation of the tensioner before install.
3

Camshaft Sprocket Bolt

M10 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure proper camshaft alignment. Apply a drop of thread locker. Always check the timing marks before completing final torque on the bolt.
4

Rocker Arms/Shafts Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Torque in a uniform pattern. Ensure correct rocker arm/shaft alignment. Do not overtighten, or damage to the valve train may occur.
5

Camshaft Retainer Plate Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (13.6 N·m)
Important Notes
Ensure the retainer plate is correctly positioned. Estimated value.
6

Lifter Guide Plate Bolts

M6 x 1.0
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Ensure the guide plate is seated flush before tightening. Estimated value.

Intake And Exhaust

1

Intake Manifold Bolts

M6 x 1.0
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Torque in a specific sequence, typically from the center outwards. Do not overtighten as this may cause vacuum leaks or damage to the manifold.
2

Intake Manifold Support Bracket Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Check specific service manual for the location of support bracket bolts. Estimated value.
3

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Torque in a specific sequence. Ensure mating surfaces are clean for a proper seal. Overtightening may crack the exhaust manifold.
4

EGR Valve Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper gasket alignment before tightening. Do not overtighten, as this may damage the EGR valve or cause leaks.
5

Exhaust Manifold to Exhaust Pipe Bolts

M10 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Check for correct orientation, and that a good seal between mating surfaces has been made. Do not overtighten.

Fuel System

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Check for proper alignment of fuel rail. Ensure all o-rings and seals are in good condition. Do not overtighten, or fuel leaks may occur.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure injectors are seated properly and O-rings are in good condition. Do not overtighten, or fuel leaks may occur.

Cooling System

1

Water Pump Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure a new gasket is installed to prevent leaks. Do not overtighten, which may damage the water pump or engine block.
2

Water Pump Pulley Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure correct orientation of the pulley. Do not overtighten, which may damage the pulley.
3

Thermostat Housing Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Use a new thermostat housing gasket to prevent leaks. Do not overtighten, or damage to the housing or manifold may occur.

Lubrication System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Torque in a specific sequence. Use a new gasket to prevent oil leaks. Overtightening the bolts can damage the pan or cause leaks.
2

Oil Filter Housing Bolt

M22
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Tighten by hand. Confirm O-ring seal is in good condition. Estimated value.
3

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a new drain plug gasket to prevent leaks. Do not overtighten, or damage to the oil pan may occur.
4

Oil Pressure Sensor/Switch Torque

M12 x 1.5
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Ensure proper thread sealant is used. Do not overtighten. Estimated value.

Sensors

1

Knock Sensor Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Proper torque is critical for sensor function. Ensure mating surfaces are clean. Estimated value.
2

Coolant Temperature Sensor

M12 x 1.5
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Ensure proper thread sealant is used. Do not overtighten. Estimated value.

Timing Cover

1

Timing Cover Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use a new timing cover gasket or sealant. Do not overtighten. Estimated Value

Body

Torque specifications for Body

Wheel Mounting

1

Wheel Lug Nuts

M14 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Ensure wheel mating surfaces are clean and free of debris. Tighten lug nuts in a star pattern.

Fuel System

1

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper alignment of the filler neck before tightening. Do not overtighten.
2

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure the fuel tank is properly supported before tightening. Do not overtighten.

Body Mounting

1

Body Mount Bolts

M12 x 1.75
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Tighten bolts in a cross pattern to ensure even body-to-frame pressure. Ensure mounts are properly aligned. This value is an estimated typical torque for this size, verify specific values for vehicle.

Door Mounting

1

Door Hinge Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure door alignment is correct before fully tightening. This is an estimated value. Verify for vehicle.

Fender Mounting

1

Fender Bolts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Do not overtighten, as this can damage the fender or mounting points. This value is an estimate. Verify for vehicle.

Hood Mounting

1

Hood Hinge Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure proper hood alignment before fully tightening. This value is an estimate. Verify for vehicle.

Trunk Hatch Mounting

1

Trunk/Hatch Hinge Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure proper trunk/hatch alignment before fully tightening. This value is an estimate. Verify for vehicle.

Bumper Mounting

1

Bumper Mounting Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure proper bumper alignment and fitment before fully tightening. This value is an estimate. Verify for vehicle.

Seat Mounting

1

Seat Mounting Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure proper seat alignment and fitment before fully tightening. This value is an estimate. Verify for vehicle.

Brakes

Torque specifications for Brakes

Caliper Assembly

1

Caliper Mounting Bolts

M12 x 1.75
Torque Specification
41 ft-lbs (56 N·m)
Important Notes
Secures the caliper to the mounting bracket. Ensure even tightening. Estimated bolt size, verify on vehicle.
2

Caliper Bleeder Screw

M10 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Used for bleeding air from the brake system. Do not overtighten. Estimated bolt size, verify on vehicle.
3

Brake Hose Banjo Bolt

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Secures brake line to caliper. Use new crush washers. Estimated bolt size, verify on vehicle.

Caliper Bracket

1

Mounting Bracket Bolts

M16 x 1.5
Torque Specification
129 ft-lbs (175 N·m)
Important Notes
Critical for secure bracket attachment. Estimated bolt size, verify on vehicle.

Rotor

1

Disc/Drum Retaining Bolts/Screws

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Holds the disc/drum in place during wheel installation. Do not over tighten, they are small bolts. Estimated bolt size, verify on vehicle.

Wheel Attachment

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
100 ft-lbs (136 N·m)
Important Notes
Tighten in a star pattern to ensure even pressure. Estimated bolt size, verify on vehicle.

Abs System

1

ABS Wheel Speed Sensor Mounting Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Secures the ABS sensor. Do not overtighten. Estimated bolt size, verify on vehicle.

Master Cylinder

1

Master Cylinder Mounting Bolts

M12 x 1.75
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Secures the master cylinder to the brake booster. Estimated bolt size, verify on vehicle.
2

Brake Booster Mounting Bolts

M12 x 1.75
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Secures the brake booster to the firewall. Estimated bolt size, verify on vehicle.

Drivetrain

Torque specifications for Drivetrain

Engine To Transmission

1

Flywheel Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Tighten in a star pattern. Use new bolts for reassembly.
2

Torque Converter Bolts to Flywheel

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure torque converter is properly seated. Tighten in a star pattern.
3

Transmission to Engine Bolts

M12 x 1.75
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Tighten evenly to ensure proper alignment. Estimated value.

Transmission

1

Transmission Mounting Bolts

M12 x 1.75
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure transmission is properly supported during installation.
2

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Tighten in a cross pattern.
3

Transmission Drain and Fill Plugs

M18 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Use new crush washers for drain plugs. Avoid overtightening.

Drive Axles

1

Drive Axle/Half Shaft Bolts

M10 x 1.5
Torque Specification
89 ft-lbs (121 N·m)
Important Notes
Typically connects to transmission flange and wheel hub. Tighten evenly.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
177 ft-lbs (240 N·m)
Important Notes
Tighten to the high specified torque for proper wheel bearing preload.

Driveshaft

1

Propeller/Drive Shaft Bolts

M10 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Tighten in a star pattern to prevent vibration.
2

Driveshaft Center Support Bearing Bolts

M10 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Ensure bearing is properly aligned before tightening. Estimated Value.

Differential

1

Differential Mounting Bolts

M12 x 1.75
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Ensure differential is properly positioned. Estimated Value.
2

Differential Drain/Fill Plug

M18 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use new crush washers on drain plugs. Avoid overtightening.

Transfer Case

1

Transfer Case Drain/Fill Plug

M18 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use new crush washers for drain plugs. Avoid overtightening.

Electrical

Torque specifications for Electrical

Ignition System

1

Ignition Coil Mounting Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure clean threads for accurate torque. Do not over-tighten, as this can damage the coil or mounting surface.

Starter System

1

Starter Motor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Proper torque is crucial for aligning the starter and ensuring a good electrical ground.

Charging System

1

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Proper torque ensures alignment and good electrical grounding for effective charging.

Battery System

1

Battery Terminal Nuts

M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Do not over-tighten. Use a torque wrench to prevent damage to battery terminals.

Ecm System

1

Engine Control Module (ECM) Mounting Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
These are typically small bolts and can be easily over-tightened. Use a torque wrench.

Grounding System

1

Ground Strap/Wire Connection Bolts to Chassis/Engine

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure mating surfaces are clean and free of corrosion for a good electrical ground connection. Torque may vary based on specific bolt size.

Power Distribution

1

Fuse Box/Power Distribution Center Mounting Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure the fuse box is properly seated before tightening.

Sensor Mounting

1

Sensor Mounting Bolts (Various Locations)

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
This is a general torque value. Refer to the specific manufacturer for more precise torque specs for specific sensor applications. Estimated value.

Lighting System

1

Headlight Housing/Assembly Mounting Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure proper alignment before tightening. These bolts often also secure ground wires.
2

Tail Light Housing/Assembly Mounting Bolts

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure proper alignment before tightening. These bolts often also secure ground wires.

Wiring Harness

1

Wiring Harness Connector Mounting Bolts

M5 x 0.8
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Some connectors may only require hand tightening. If using a wrench, do not over-tighten. Estimated value.

Emissions Sensors

Torque specifications for Emissions_sensors

Exhaust System

1

Exhaust Manifold/Headers to Cylinder Head

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper gasket alignment. Tighten bolts in a criss-cross pattern to ensure even pressure.
2

Exhaust Pipe to Exhaust Manifold/Headers

M10 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Use new gasket/seal. Tighten bolts in a cross pattern to ensure even pressure.
3

Catalytic Converter to Exhaust Pipe

M10 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Use new gasket/seal. Tighten bolts in a cross pattern to ensure even pressure.
4

Muffler to Exhaust Pipe

M10 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Use new gasket/seal. Tighten bolts in a cross pattern to ensure even pressure.
5

Oxygen (O2) Sensor (Upstream)

M18 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure new crush washer is used. Do not overtighten to avoid damaging sensor or threads. This value is an estimate, refer to the sensor's specific instructions if available.
6

Oxygen (O2) Sensor (Downstream)

M18 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure new crush washer is used. Do not overtighten to avoid damaging sensor or threads. This value is an estimate, refer to the sensor's specific instructions if available.

Egr System

1

EGR Valve

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the EGR valve gasket is properly positioned. Tighten bolts evenly.

Intake System

1

Mass Airflow (MAF) Sensor

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Do not overtighten. Use proper torque to ensure no air leaks. This value is an estimate, check your service manual for specific values.

Evap System

1

Evaporative Emission (EVAP) Canister

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Ensure proper alignment. Do not overtighten. This value is an estimate, check your service manual for specific values.
2

Evaporative Emission (EVAP) Purge Solenoid

M6 x 1.0
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Do not overtighten. Ensure correct orientation. This value is an estimate, check your service manual for specific values.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold

1

Exhaust Manifold/Header to Cylinder Head

M10 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
These bolts secure the manifold to the cylinder head. Use a cross-tightening pattern.
2

Exhaust Manifold/Header Flange Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
These bolts connect the exhaust pipe to the manifold flange. Use a cross-tightening pattern.

Exhaust Piping

1

Catalytic Converter to Exhaust Pipe Flange Bolts

M10 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
These bolts secure the catalytic converter to the exhaust pipe. Use a cross-tightening pattern.
2

Exhaust Pipe Flange Bolts (General)

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
General torque specification for typical exhaust pipe flange bolts. This should be verified against your specific vehicle.

Muffler

1

Muffler to Exhaust Pipe Flange Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
These bolts secure the muffler to the exhaust pipe. Use a cross-tightening pattern.

Sensors

1

Oxygen (O2) Sensor

M18 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Torque for installing oxygen sensors. Over-torquing can damage the sensor or the bung. Use anti-seize compound on the threads.

Hangers Clamps

1

Exhaust Hanger Bolts (to vehicle frame/body)

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
These bolts secure the exhaust system hangers to the vehicle's frame or body. Torque within the range, but start with lower end of range and increase if needed.
2

Exhaust Band Clamp

Varies
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated torque for an exhaust band clamp, actual torque may vary by clamp size and type. This is an estimated value. Manufacturer recommendations should be followed when possible.

Fuel

Torque specifications for Fuel

Fuel Rail

1

Fuel Rail Mounting Bolts

M8 x 1.25
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Torque these bolts evenly to ensure a proper seal. Use a criss-cross pattern.
2

Fuel Injector Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Ensure the injectors are properly seated before tightening. Torque evenly.
3

Fuel Pressure Regulator Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
If the fuel pressure regulator is mounted separately from the fuel rail, use this specification.

Fuel Pump And Tank

1

Fuel Pump Module Mounting Bolts

M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque these bolts evenly to secure the fuel pump module to the fuel tank.
2

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Ensure straps are properly positioned before tightening. Torque to secure the fuel tank.
3

Fuel Tank Sending Unit Lock Ring

N/A
Torque Specification
1. 15 ft-lbs (20 N·m) 2. 20 ft-lbs (27 N·m)
Important Notes
Tighten the lock ring gradually using an approved tool. It's acceptable to have a torque range.

Fuel Lines And Filter

1

Fuel Line Fittings (Steel)

Varies - typically 1/2" or 5/8" fittings
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
This value applies to standard steel fuel line fittings. Aluminum or plastic lines may require different torque. Estimated value - always consult the manufacturer of the specific line for exact specifications.
2

Fuel Filter Mounting Bolt/Nut

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure the fuel filter is correctly positioned before tightening.

Fuel Filler Neck

1

Fuel Filler Neck Mounting Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Torque evenly to ensure a proper seal between the filler neck and the fuel tank/body.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure proper bolt engagement. Use a criss-cross pattern for even torque distribution. Verify correct belt alignment after installation.

Ac Lines

1

A/C Line Fittings

Varies based on line size
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Use appropriate flare nut wrenches to prevent damage. Do not over-tighten. Replace O-rings if damaged. These are not bolts, but torque values still apply.

Ac Condenser

1

A/C Condenser Mounting Bolts/Nuts

M6 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Do not over-tighten, as this could damage the condenser fins or mounting brackets. Use proper fasteners as specified by the manufacturer.

Ac Evaporator

1

A/C Evaporator Core Housing Bolts

M5 x 0.8
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Tighten fasteners evenly to ensure a proper seal. These are usually low torque applications.

Blower Motor

1

HVAC Blower Motor Mounting Screws/Bolts

M5 x 0.8
Torque Specification
5.2 ft-lbs (7 N·m)
Important Notes
Tighten fasteners evenly to prevent vibration. Verify proper alignment of the blower motor.

Mode Door Actuator

1

HVAC Mode Door Actuator Screws/Bolts

M4 x 0.7
Torque Specification
4.4 ft-lbs (6 N·m)
Important Notes
Do not overtighten, which could bind the actuator. Ensure proper alignment.

Temp Door Actuator

1

HVAC Temperature Door Actuator Screws/Bolts

M4 x 0.7
Torque Specification
4.4 ft-lbs (6 N·m)
Important Notes
Do not overtighten, which could bind the actuator. Ensure proper alignment. These values are estimated.

Hvac Housing

1

HVAC Housing Bolts/Screws

M5 x 0.8
Torque Specification
7.4 ft-lbs (10 N·m)
Important Notes
Tighten evenly to ensure proper sealing of the housing. Check for air leaks after assembly.

Suspension

Torque specifications for Suspension

Front Suspension

1

Strut Upper and Lower Mounting Bolts

M12 x 1.75
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
These bolts secure the strut assembly to the vehicle's frame and steering knuckle. Ensure proper torque to maintain suspension integrity. Apply thread locker before installation.
2

Steering Knuckle to Strut Bolts/Nuts

M14 x 2.0
Torque Specification
81 ft-lbs (110 N·m)
Important Notes
These bolts secure the steering knuckle to the lower portion of the strut. Ensure proper torque for safe steering and suspension functionality. Apply thread locker before installation.
3

Upper Control Arm Mounting Bolts

M12 x 1.5
Torque Specification
129 ft-lbs (175 N·m)
Important Notes
These bolts secure the upper control arms to the frame/subframe. Proper torque is critical for suspension geometry. Apply thread locker before installation.
4

Lower Control Arm Mounting Bolts

M14 x 2.0
Torque Specification
129 ft-lbs (175 N·m)
Important Notes
These bolts secure the lower control arms to the frame/subframe. Ensure proper torque for suspension stability. Apply thread locker before installation.
5

Lower Control Arm Camber Bolt

M14 x 2.0
Torque Specification
1. 81 ft-lbs (110 N·m) 2. 90°
Important Notes
This eccentric bolt controls camber adjustment. Tighten to specified torque and then the additional angle for proper suspension alignment. Apply thread locker before installation.
6

Ball Joint Nut

M16 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Secures ball joint to control arm/steering knuckle. Proper torque is vital for joint stability and steering. Always install a new cotter pin after torquing.
7

Tie Rod End Nut

M14 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
This secures the tie rod end to the steering knuckle. Proper torque is necessary for accurate steering. Always install a new cotter pin after torquing.
8

Sway Bar Link Nut

M10 x 1.25
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Secures sway bar links to sway bar/strut. Proper torque ensures effective sway bar performance. Use an allen key to hold the stud while torquing.
9

Wheel Hub/Bearing Assembly Bolts

M12 x 1.75
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
These bolts secure the wheel hub assembly to the steering knuckle. Proper torque is essential for wheel bearing functionality and safety. Apply thread locker before installation.

Steering System

1

Steering Gear/Rack Mounting Bolts

M14 x 2.0
Torque Specification
96 ft-lbs (130 N·m)
Important Notes
These bolts secure the steering gear to the vehicle's frame. Proper torque ensures secure steering input. Apply thread locker before installation.

Sway Bar

1

Sway Bar Mounting Bracket Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
These bolts secure the sway bar to the frame. Proper torque is vital for sway bar effectiveness. Apply thread locker before installation.

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

Common Issues

Bolt stretching, stripped threads, uneven torque patterns

Loose Components

Symptoms:
  • Rattling or vibration noises
  • Visible movement in components
  • Uneven panel gaps
Solutions:
  • Clean threads and mounting surfaces
  • Replace damaged fasteners
  • Apply proper torque in sequence
  • Use thread locker if specified

Stripped Fasteners

Symptoms:
  • Unable to achieve proper torque
  • Fastener spins freely
  • Visible thread damage
Solutions:
  • Use thread repair kit if appropriate
  • Install thread insert (HeliCoil)
  • Replace component if threaded hole is damaged
  • Upgrade to higher grade fastener if recommended

Overtightened Components

Symptoms:
  • Cracked or deformed parts
  • Broken fasteners
  • Compressed gaskets or seals
Solutions:
  • Replace damaged components
  • Use new fasteners
  • Follow proper torque sequence
  • Verify correct torque specifications

Diagnostic Steps

Visual inspection, torque verification, thread assessment

1

Visual Inspection

Inspect the affected area for any visible signs of damage or wear

  • Check for cracks or deformation
  • Look for signs of excessive wear
  • Verify proper fastener installation
2

Torque Verification

Verify the torque applied to the fasteners

  • Check the torque wrench calibration
  • Verify the torque specification
  • Compare the applied torque to the specification
3

Thread Assessment

Assess the condition of the threads

  • Check for signs of thread damage
  • Verify the thread type and size
  • Check for proper thread engagement

Prevention Guidelines

Best practices, maintenance tips, tool care

Best Practices

  • Always follow the recommended torque specification
  • Use the correct type and size of fasteners
  • Verify the torque wrench calibration regularly

Maintenance Tips

  • Regularly inspect the affected area for signs of wear or damage
  • Replace damaged or worn-out components promptly
  • Keep the work area clean and organized

Tool Care

  • Regularly clean and maintain the torque wrench
  • Store the torque wrench in a dry and secure location
  • Verify the torque wrench calibration before each use

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What IS the proper torque for the cylinder head bolts on a 2003-2007 Cadillac CTS?

The cylinder head bolts must be torqued to 60 ft-lbs (81 Nm) in three steps. First, torque to 25 ft-lbs (34 Nm), then to 37 ft-lbs (50 Nm), and finally to 60 ft-lbs (81 Nm). Refer to the Cadillac service manual for specific tightening sequence.

Q2

What type of torque wrench IS recommended for tightening critical bolts on the Cadillac CTS?

A click-type torque wrench IS recommended for accurate and precise torque application. Ensure the torque wrench IS properly calibrated according to manufacturer's specifications.

Q3

IS it safe to exceed the specified torque values for any bolts on the CTS?

No, exceeding the specified torque values can lead to thread damage, bolt failure, and potential component damage. Always adhere to the manufacturer's recommended torque specifications.

Q4

How often should torque be checked on critical components?

Critical components such as suspension bolts, engine mounts, and wheel lug nuts should be inspected and torqued according to the manufacturer's maintenance schedule or as needed based on driving conditions and vehicle usage.

Q5

What IS the recommended torque for the spark plugs on a 2003-2007 Cadillac CTS?

The spark plugs should be torqued to 18 ft-lbs (24 Nm). Refer to the Cadillac service manual for proper tightening sequence to avoid cross-threading or damage to the cylinder head.

Q6

Can I use a standard torque wrench to tighten lug nuts on the CTS?

No, a standard torque wrench IS not suitable for lug nuts. Use a high-quality torque wrench specifically designed for automotive lug nuts, typically capable of delivering up to 100 ft-lbs (136 Nm) of torque.

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

Temperature Effects

Includes: High Heat, Cold Weather, Thermal Cycling

Temperature can significantly impact torque values and fastener behavior

Cold Weather

Effects:
  • Increased material brittleness
  • Higher torque required due to thread contraction
  • Reduced thread lubricant effectiveness
Recommendations:
  • Allow components to warm to room temperature when possible
  • Consider using winter-grade thread lubricants
  • Check torque values more frequently during winter months

Hot Weather

Effects:
  • Thermal expansion of components
  • Decreased friction in threads
  • Accelerated lubricant breakdown
Recommendations:
  • Check torque when components are at normal operating temperature
  • Use temperature-resistant thread lockers
  • Consider re-torquing after heat cycles

Humidity and Corrosion

Covers: Rust Prevention, Salt Exposure, Moisture Control

Moisture and corrosion can affect fastener integrity and torque values

High Humidity

Effects:
  • Accelerated corrosion formation
  • Reduced friction coefficient
  • Potential thread seizing
Prevention:
  • Use corrosion-resistant fasteners
  • Apply appropriate anti-seize compounds
  • Maintain proper protective coatings

Salt Exposure

Effects:
  • Rapid corrosion development
  • Thread damage
  • Seized fasteners
Prevention:
  • Regular underbody washing
  • Use of sacrificial anodes where appropriate
  • Application of protective coatings

Seasonal Maintenance

Spring, Summer, Fall, and Winter maintenance schedules

Spring

  • Inspect for winter damage
  • Clean and protect exposed fasteners
  • Check torque on critical components

Summer

  • Monitor heat-affected components
  • Check expansion-related loosening
  • Inspect cooling system mounts

Fall

  • Prepare for winter conditions
  • Apply corrosion protection
  • Verify all fasteners are properly torqued

Winter

  • More frequent inspection of critical fasteners
  • Check for salt damage
  • Monitor suspension component torque

Related Resources

Tools, service procedures, and technical bulletins

Recommended Tools

Digital Torque Wrench (10-100 Nm)

Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. This range IS suitable for many applications on the cts.

  • Digital display for accurate readings
  • Audible alarm when target torque IS reached
  • Multiple units (Nm, ft-lb, in-lb)
  • Reversible ratcheting mechanism
Learn more
Service Procedures

Engine Mount Replacement

Step-by-step instructions for safely replacing the engine mount on a Cadillac cts.

  • Safety precautions and preparatory steps
  • Removal of the old engine mount (with torque specifications for unbolting)
  • Installation of the new engine mount (with torque specifications for tightening)
View full procedure

Brake Pad Replacement

Comprehensive guide for replacing the brake pads on a Cadillac cts.

  • Visual inspection of brake system
  • Removal of the wheel and caliper (with torque specifications for unbolting)
  • Replacement of brake pads (with torque specifications for tightening)
View full procedure

Spark Plug Replacement

Detailed instructions for changing the spark plugs on a Cadillac cts.

  • Safety precautions and engine preparation
  • Removal of the ignition coil (with torque specifications for unbolting)
  • Replacement of spark plugs (with torque specifications for tightening)
  • Reinstallation of ignition coil (with torque specifications for tightening)
View full procedure
Technical Service Bulletins

Suspension Bolt Torque Specifications

2005-08-15

Official bulletin from Cadillac providing updated torque specifications for suspension bolts on 2003-2007 cts models.

2003-2007 cts

Resolution: Refer to the bulletin for specific torque values and tightening procedures.

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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  • Always follow the manufacturer's recommended procedures and safety precautions.
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About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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