Cadillac SRX 2010-2016 6T70 Transmission Transmission Torque Specifications & Bolt Torque Values
Cadillac SRX 2010-2016

Cadillac SRX 2010-2016 6T70 Transmission Torque Specifications

Detailed torque specifications for all major bolts on the 6T70 automatic transmission used in the 2010-2016 Cadillac SRX. Includes case bolts, pan bolts, valve body bolts, and other relevant fasteners.

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

Transmission Mounting

Bolts securing the transmission to the engine block or vehicle frame/subframe. Proper torque is crucial for alignment, vibration prevention, and secure power transfer.

1

Transmission Mounting Bolts

M12 x 1.75
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Ensure bolts are clean and lightly lubricated with engine oil before installation. Tighten in a criss-cross pattern to ensure even distribution of force.

Transmission Case

Bolts securing the transmission case halves together. Proper torque is essential for preventing oil leaks and ensuring proper internal operation.

1

Transmission Case Bolts

M10 x 1.5
Important Notes
Tighten in a criss-cross pattern. Perform an initial torque and then final torque in the same sequence. Torque value is an estimate based on common case bolts of this size.

Transmission Oil Pan

Bolts securing the transmission oil pan to the transmission case. Proper torque is vital to maintain a leak-proof seal.

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
7.4 ft-lbs (10 N·m)
Important Notes
Inch-pound value converted to foot-pounds. Use a new gasket and lightly lubricate the bolt threads with transmission fluid. Tighten in a criss-cross pattern to avoid pan distortion.

Fluid Service

Bolts related to servicing the transmission fluid including drain and fill plugs. Ensuring proper sealing is essential to avoid leaks.

1

Transmission Drain Plug

M18 x 1.5
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Use a new sealing washer. Ensure the threads are clean and free of debris. Torque value is an estimate based on common drain plugs.
2

Transmission Fill Plug

M18 x 1.5
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Use a new sealing washer. Ensure the threads are clean and free of debris. Torque value is an estimate based on common fill plugs.

Transmission Control Module

Bolts securing the TCM to the transmission housing. Proper torque is essential for secure mounting and correct operation.

1

TCM Mounting Bolts

M6 x 1.0
Torque Value
7.4 ft-lbs (10 N·m)
Important Notes
Inch-pound value converted to foot-pounds. Use caution when tightening to avoid damaging the TCM housing. Tighten evenly, do not overtighten.

Range Selector

Bolts related to the transmission range selector lever and linkage. Proper torque ensures correct gear engagement.

1

Range Selector Lever Bolt

M8 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Ensure the range selector linkage is properly aligned before tightening the bolt. Check range selector for full functionality.

Valve Body

Bolts securing the valve body to the transmission case. Proper torque is crucial for correct fluid flow and gear changes.

1

Valve Body Mounting Bolts

M6 x 1.0
Important Notes
Inch-pound value converted to foot-pounds. Tighten in a criss-cross pattern in two passes to ensure even clamping force. Take caution when tightening these bolts because the valve body is more fragile than other components.

Solenoids

Bolts securing the transmission solenoids to the valve body or case. Proper torque ensures secure mounting without damage to the solenoids.

1

Solenoid Mounting Bolts

M5 x 0.8
Torque Value
7.4 ft-lbs (10 N·m)
Important Notes
Inch-pound value converted to foot-pounds. Exercise care when tightening to avoid damage to solenoids. Torque value is an estimate based on similar components of this size. Ensure that the solenoids are seated correctly before tightening.

Torque Converter

Bolts securing the torque converter to the engine's flywheel/flexplate. Proper torque ensures alignment and prevents vibrations.

1

Torque Converter Mounting Bolts

M10 x 1.5
Important Notes
Tighten evenly in a criss-cross pattern and in multiple steps to ensure that the torque converter is evenly secured. Always check for proper engagement before final torquing. Use new bolts if possible.

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

Why is it important to use the correct torque specifications when working on the 6T70 transmission?

Using the correct torque is crucial for several reasons. Under-torquing bolts can lead to leaks, loosening, and potential component failure due to insufficient clamping force. Over-torquing can stretch or break bolts, damage threads, and potentially distort transmission components, leading to costly repairs. Correct torque ensures proper sealing, optimal clamping force, and the intended service life of the parts.

Q2

What can happen if I reuse torque-to-yield (TTY) bolts on the 6T70 transmission?

Torque-to-yield bolts, often used in critical areas of the 6T70 transmission like the valve body or case, are designed to stretch upon initial tightening. Reusing them can lead to incorrect clamping force, inaccurate torque readings, and an increased risk of bolt failure due to previous stretching. It's always recommended to replace TTY bolts with new ones when they are removed. For instance, the transmission pan bolts on some 6T70 variations may be TTY and thus should not be reused.

Q3

Do I need any special tools to properly torque bolts on the 6T70 transmission?

Yes, a calibrated torque wrench is essential. It's recommended to use a torque wrench that covers the range of required specifications for the components you are working with. Depending on the location and size of the bolts, you might also need various sockets, extensions, and potentially a universal joint for access in tight areas. For example, accessing the bolts on the side cover of the transmission often requires a variety of extensions.

Q4

Besides torque, is there anything else I should consider when installing transmission bolts?

Yes, ensure that bolts are properly cleaned of any debris and lightly lubricated with the correct thread lubricant if specified (some bolts are designed to be installed dry). Always install bolts in the correct sequence, typically in a criss-cross pattern to ensure even clamping pressure. This helps to avoid component warping or improper seating. For instance, when installing the valve body, starting with the center bolts and working outward in a criss-cross pattern is a best practice.

Q5

How often should I check the transmission fluid level and condition on my Cadillac SRX with the 6T70 transmission?

It's generally recommended to check the transmission fluid level and condition during every oil change or at least every 6,000 miles. Regularly inspect the fluid for proper levels and signs of contamination such as a burnt odor or dark color. Early detection of transmission issues can prevent more significant and expensive repairs. For instance, a transmission fluid leak might be an indication of loose bolts or worn seals requiring investigation.

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 inch Drive)

A calibrated torque wrench is essential for accurate tightening of transmission bolts to specified torque values.

  • 1/2 inch drive
  • Range of 20-150 ft-lbs
  • Calibration certified
Learn more

Torque Wrench (3/8 inch Drive)

A calibrated torque wrench is essential for accurate tightening of transmission bolts to specified torque values.

  • 3/8 inch drive
  • Range of 5-80 ft-lbs
  • Calibration certified
Learn more

Socket Set (Metric)

A comprehensive set of metric sockets is necessary to fit the various bolt head sizes used in the 6T70 transmission.

  • Standard depth
  • Deep well
  • Sizes ranging from 8mm to 18mm
Learn more

Extension Bars

Various extension bars will help access bolts in hard to reach areas.

  • 3 inch
  • 6 inch
  • 10 inch
Learn more
Service Procedures

6T70 Transmission Pan Bolt Torque Procedure

This procedure outlines the steps for properly torquing the transmission pan bolts on a 6T70 transmission.

  • Clean the gasket surface of the transmission pan and transmission case.
  • Install the new gasket on the transmission pan.
  • Place the transmission pan against the transmission case.
  • Install all the bolts by hand, tightening each a few turns.
  • Tighten the bolts in a crisscross pattern to 106 lb-in (12 Nm).
  • Re-torque the bolts to 106 lb-in (12 Nm) in the same crisscross pattern.
View full procedure

6T70 Transmission Valve Body Bolt Torque Procedure

This procedure outlines the steps for properly torquing the valve body bolts on a 6T70 transmission.

  • Clean the valve body surface of the transmission case.
  • Install the new gasket or O-rings onto the valve body.
  • Place the valve body against the transmission case.
  • Install all the bolts by hand, tightening each a few turns.
  • Tighten the bolts in a crisscross pattern to 89 lb-in (10 Nm).
  • Re-torque the bolts to 89 lb-in (10 Nm) in the same crisscross pattern.
View full procedure

6T70 Transmission Control Housing Bolt Torque Procedure

This procedure outlines the steps for properly torquing the transmission control housing bolts on a 6T70 transmission.

  • Clean the control housing surface of the transmission case.
  • Install the new gasket on the control housing.
  • Place the control housing against the transmission case.
  • Install all the bolts by hand, tightening each a few turns.
  • Tighten the bolts in a crisscross pattern to 20 lb-ft (27 Nm).
  • Re-torque the bolts to 20 lb-ft (27 Nm) in the same crisscross pattern.
View full procedure
Technical Service Bulletins

Excessive Transmission Fluid Leakage From Pan Area

2012-06-15

Reports have been received of excessive transmission fluid leakage from the pan gasket area. This may be caused by an improperly torqued pan, or a defective pan. Always replace the pan gasket and ensure bolts are torqued to spec.

2010-2012 Cadillac SRX

Resolution: Replace the transmission pan gasket and ensure proper bolt torque to 106 lb-in (12 Nm). Inspect pan for damage and replace as needed. Use correct torque sequence.

Valve Body Bolt Loosening Concerns

2014-03-20

Some vehicles have exhibited valve body bolts loosening over time which results in transmission issues. Ensure proper torque procedure is followed, and bolts are torqued to spec.

2013-2015 Cadillac SRX

Resolution: Replace or re-torque all valve body bolts to 89 lb-in (10 Nm) using the correct torque sequence. If repeated loosening occurs, use threadlocker compound.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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