Cadillac XTS 2013-2019 Suspension Bolt Torque Specifications & Fastener Values
Cadillac XTS 2013-2019

Cadillac XTS 2013-2019 Suspension Bolt Torque Specifications

This page provides detailed torque specifications for all suspension bolts on the 2013-2019 Cadillac XTS, including front and rear suspension components.

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

Search Specifications

Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

Front Suspension

Torque specifications for critical fasteners on the front suspension system, including the strut assembly, control arms, and steering components.

1

Front Strut Upper Mounting Bolts

M12 x 1.75
Torque Value
133 ft-lbs (180 N·m)
Important Notes
Secures the top of the strut assembly to the vehicle's frame or body. Ensure bolts are tightened evenly.
2

Front Strut-to-Knuckle Bolts

M14 x 1.5
Torque Value
129 ft-lbs (175 N·m)
Important Notes
Fastens the lower strut mount to the steering knuckle. Critical for suspension integrity.
3

Lower Control Arm to Frame Bolts

M14 x 2.0
Torque Value
129 ft-lbs (175 N·m)
Important Notes
Secures the control arm to the vehicle's subframe. Essential for maintaining proper alignment.
4

Lower Control Arm Ball Joint Nut

M12 x 1.5
Torque Value
41 ft-lbs (55 N·m)
Important Notes
Fastens the ball joint stud to the steering knuckle or control arm. Do not overtighten.
5

Tie Rod End Nut

M12 x 1.25
Torque Value
37 ft-lbs (50 N·m)
Important Notes
Secures the tie rod end to the steering knuckle. Critical for steering alignment. Do not overtighten.
6

Sway Bar Link Nut

M10 x 1.5
Torque Value
41 ft-lbs (55 N·m)
Important Notes
Connects the sway bar to the strut or control arm. Do not overtighten.
7

Sway Bar Bushing Bracket Bolts

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Secures the sway bar bushings to the frame or subframe. Tighten evenly to avoid binding.

Rear Suspension

Torque specifications for critical fasteners on the rear suspension system, including the shock absorbers, control arms, and related components.

1

Rear Shock Absorber Upper Mounting Bolts

M12 x 1.75
Torque Value
133 ft-lbs (180 N·m)
Important Notes
Secures the top of the shock absorber to the vehicle's frame or body. Ensure bolts are tightened evenly.
2

Rear Shock Absorber Lower Bolt

M12 x 1.75
Torque Value
74 ft-lbs (100 N·m)
Important Notes
Fastens the lower shock mount to the control arm or suspension knuckle. Critical for suspension integrity.
3

Rear Upper Control Arm to Frame Bolts

M12 x 1.75
Torque Value
129 ft-lbs (175 N·m)
Important Notes
Secures the control arm to the vehicle's subframe or frame. Essential for maintaining proper alignment.
4

Rear Lower Control Arm to Frame Bolts

M14 x 2.0
Torque Value
129 ft-lbs (175 N·m)
Important Notes
Secures the lower control arm to the vehicle's subframe or frame. Essential for maintaining proper alignment.
5

Rear Sway Bar Link Nut

M10 x 1.5
Torque Value
41 ft-lbs (55 N·m)
Important Notes
Connects the sway bar to the strut or control arm. Do not overtighten.
6

Rear Sway Bar Bushing Bracket Bolts

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Secures the sway bar bushings to the frame or subframe. Tighten evenly to avoid binding.

Steering System

Torque specifications for fasteners related to the steering system, ensuring proper steering response and safety.

1

Steering Knuckle Bolts (Multiple Locations)

M12 x 1.75
Torque Value
74 ft-lbs (100 N·m)
Important Notes
This torque value is for typical bolts connecting the knuckle to suspension components. Different locations may require different torque specifications. This is an estimated value.
2

Tie Rod to Steering Rack Bolts

M14 x 1.5
Torque Value
74 ft-lbs (100 N·m)
Important Notes
This is an estimated value. Critical for proper steering response. Always replace these bolts if they have been removed.

Wheel Hub And Bearing

Torque specifications for fasteners related to the wheel hub and bearing assembly, which is critical for wheel rotation and vehicle stability.

1

Hub and Bearing Assembly Bolts

M12 x 1.5
Torque Value
74 ft-lbs (100 N·m)
Important Notes
Secures the hub and bearing assembly to the steering knuckle. This is an estimated value.

Subframe

Torque specifications for fasteners on the subframe, a critical structural member that supports many suspension and drivetrain components.

1

Subframe Mounting Bolts (Large)

M14 x 2.0
Torque Value
111 ft-lbs (150 N·m)
Important Notes
For larger bolts connecting the subframe to the chassis. Tighten in a crisscross pattern.
2

Subframe Mounting Bolts (Smaller)

M12 x 1.75
Torque Value
74 ft-lbs (100 N·m)
Important Notes
For smaller bolts connecting the subframe to the chassis or body. Tighten evenly.

Abs System

Torque specifications for fasteners related to the wheel speed sensors, ensuring correct function of the anti-lock braking system (ABS).

1

Wheel Speed Sensor Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Secures the wheel speed sensors to the steering knuckle or hub. Do not overtighten.

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 recommended torque specification for the suspension bolts on a 2013-2019 Cadillac XTS?

The recommended torque specification for the suspension bolts on a 2013-2019 Cadillac XTS is 35 ft-lbs (47 Nm) for the front lower control arm bolts and 40 ft-lbs (54 Nm) for the rear lower control arm bolts. However, it's essential to consult the owner's manual or a repair manual for specific torque values, as they may vary depending on the suspension component and configuration.

Q2

Why is it crucial to follow the recommended torque specifications for suspension bolts?

Following the recommended torque specifications for suspension bolts is vital to ensure the safety and reliability of the vehicle. Over-torquing can damage the threads or strip the bolts, while under-torquing can lead to loose connections and compromised suspension performance. This can result in uneven tire wear, reduced handling, and increased risk of accidents.

Q3

How often should I inspect and maintain the suspension bolts on my 2013-2019 Cadillac XTS?

It's recommended to inspect the suspension bolts every 12,000 to 15,000 miles or during routine maintenance checks. Look for signs of wear, corrosion, or damage, and tighten or replace the bolts as needed. Additionally, consider having a professional mechanic inspect the suspension system every 30,000 to 50,000 miles to ensure optimal performance and safety.

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

Torque Wrench (1/2" Drive)

A 1/2" drive torque wrench is essential for accurately tightening suspension bolts to the specified torque values. It allows for precise measurement of applied torque.

  • 1/2" Drive Ratchet
  • Foot-Pound or Newton-Meter scale
  • Accurate within +/- 3% or better
Learn more

Torque Wrench (3/8" Drive)

A 3/8" drive torque wrench is useful for smaller suspension fasteners and for accessing tighter spaces.

  • 3/8" Drive Ratchet
  • Foot-Pound or Newton-Meter scale
  • Accurate within +/- 3% or better
Learn more

Socket Set (Metric)

A comprehensive set of metric sockets is needed to fit the various sizes of suspension bolts and nuts on the Cadillac XTS.

  • Various sizes from 10mm to 24mm
  • 6-point sockets preferred
  • Deep and standard socket depths
Learn more

Extension Bars

Extension bars of various lengths aid in reaching recessed bolts and provide necessary clearance.

  • Various lengths (3", 6", 10")
  • Durable chrome vanadium steel
Learn more

Breaker Bar

A breaker bar is used to initially loosen stubborn suspension fasteners before using a torque wrench.

  • High leverage handle
  • Durable construction
Learn more
Service Procedures

Front Strut Bolt Torque Procedure

This procedure outlines the steps for correctly torquing the front strut bolts on the Cadillac XTS.

  • 1. Locate the upper and lower strut bolts. Refer to service manual for specific locations.
  • 2. Ensure the strut is properly aligned.
  • 3. Tighten bolts to 100 Nm (74 lb-ft) initial torque
  • 4. Tighten bolts to 150 Nm (111 lb-ft) final torque
View full procedure

Rear Shock Absorber Bolt Torque Procedure

This procedure outlines the steps for correctly torquing the rear shock absorber bolts on the Cadillac XTS.

  • 1. Locate the upper and lower shock absorber bolts. Refer to service manual for specific locations.
  • 2. Ensure the shock is properly aligned.
  • 3. Tighten the lower shock bolt to 130 Nm (96 lb-ft).
  • 4. Tighten the upper shock bolts to 100 Nm (74 lb-ft).
  • 5. Verify torque values against service manual.
View full procedure

Control Arm Bolt Torque Procedure

This procedure outlines the steps for correctly torquing the control arm bolts on the Cadillac XTS.

  • 1. Locate the control arm mounting bolts and nuts, refer to service manual for locations.
  • 2. Tighten the control arm mounting bolts to 120 Nm (89 lb-ft) initially
  • 3. Tighten the control arm mounting bolts to 160 Nm (118 lb-ft) final torque
  • 4. Always follow the recommended service manual procedure for the specific control arm being worked on.
View full procedure
Technical Service Bulletins

Suspension Bolt Corrosion Concerns

2016-07-15

Some instances of suspension bolt corrosion have been reported on vehicles operating in environments with high exposure to road salt.

2013-2016

Resolution: Inspect suspension bolts for corrosion during maintenance. If corrosion is present, replace bolts and apply anti-seize compound during installation. Refer to the specific service manual for recommended materials.

Rear Control Arm Bolt Loosening

2018-03-22

A small number of reports have indicated a loosening of the rear control arm bolts leading to premature wear or noise issues.

2017-2019

Resolution: Inspect the torque on rear control arm bolts during routine maintenance. If loosening is observed, replace the bolts and nuts, use thread-locking compound and torque to the manufacturer's specification.

About the Author

Expert automotive knowledge and experience

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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  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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