GMC Yukon 2007-2014 Suspension Bolt Torque Specifications & Fastener Values
GMC Yukon 2007-2014

GMC Yukon 2007-2014 Suspension Bolt Torque Specifications

Find the precise torque specifications for suspension bolts on 2007-2014 GMC Yukon models. This document provides crucial information for proper maintenance and repair, ensuring vehicle safety and longevity.

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 bolts securing components like control arms, struts, ball joints, and tie rods in the front suspension.

1

Strut/Shock Absorber Mounting Bolts

M12 x 1.5
Torque Value
55 ft-lbs (75 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications.
2

Control Arm Bolts

M14 x 2.0 (estimated)
Torque Value
85 ft-lbs (115 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications. Ensure all relevant mounting points are properly supported.
3

Ball Joint Nut

M16 x 2.5 (estimated)
Torque Value
50 ft-lbs (68 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications.
4

Tie Rod End Nut

M10 x 1.25 (estimated)
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications.
5

Sway Bar Link Nut

M10 x 1.5 (estimated)
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications.

Rear suspension

Torque specifications for bolts securing rear suspension components.

1

Rear Suspension Bolts

M12 x 1.75 (estimated)
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications.

Bushings

Torque specifications for installing suspension bushings.

1

Lower Control Arm Bushings

M10 x 1.25 (estimated)
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications. Installation procedure varies by bushing type.
2

Upper Control Arm Bushings

M12 x 1.5 (estimated)
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications. Installation procedure varies by bushing type.

Steering knuckle

Torque specifications for bolts securing the steering knuckle to the suspension.

1

Steering Knuckle Bolts

M14 x 1.75 (estimated)
Torque Value
70 ft-lbs (95 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications.

Hub bearing

Torque specifications for bolts securing the front hub bearings to the steering knuckles.

1

Front Hub Bearing Bolts

M12 x 1.5 (estimated)
Torque Value
75 ft-lbs (102 N·m)
Important Notes
Estimated torque value. Consult the vehicle's specific service manual for accurate specifications.

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 are torque specifications important for suspension bolts?

Incorrect torque settings on suspension bolts can lead to premature failure. Too little torque, and the bolts may loosen, potentially causing the suspension to fail under load, leading to a crash. Too much torque can strip the bolt threads or damage the component it's attached to, also causing a failure. Proper torque ensures the bolt is securely fastened without exceeding safe limits, maintaining the integrity of the suspension system.

Q2

How do I know the correct torque for my 2007-2014 GMC Yukon suspension bolts?

Consult the specific repair manual for your 2007-2014 GMC Yukon. These manuals contain detailed torque specifications for each suspension component (e.g., control arm bolts, ball joint bolts, etc.). Looking up the correct part number for the specific bolt is crucial for accuracy. Using online resources or generic torque charts for a similar vehicle *may* be misleading and could potentially damage your vehicle.

Q3

What tools are needed for proper torqueing?

A torque wrench is absolutely essential. A standard adjustable wrench will not provide the precision needed. The torque wrench must be calibrated regularly and used according to the manufacturer's instructions. Use the correct size socket or wrench for the bolt head to avoid damaging the bolt or socket.

Q4

What if I suspect a suspension bolt is loose?

If you suspect a suspension bolt is loose, *do not* drive the vehicle. Have a qualified mechanic inspect the suspension. A loose bolt can lead to catastrophic failure, potentially causing serious injury or damage to the vehicle. Ignoring this can result in significant repairs or even a complete suspension replacement.

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

A calibrated torque wrench is essential for accurate torque application.

  • Accurate torque readings
  • Adjustable torque settings
  • Durable construction
Learn more

Socket Set (Metric)

Appropriate metric sockets for the suspension bolts.

  • Variety of sizes
  • Durable metal construction
Learn more

Ratchet

A ratchet for applying torque to the suspension bolts.

  • Adjustable for various socket sizes
  • Easy to use
Learn more

Jack Stands

Essential for safely lifting the vehicle during suspension work.

  • Stable support
  • Adjustable height
Learn more

Jack

A vehicle jack for lifting the vehicle during suspension work.

  • High lifting capacity
  • Stable lifting platform
Learn more
Service Procedures

Front Suspension Bolt Torque Procedure

Detailed procedure for tightening front suspension bolts.

  • Position the vehicle on jack stands.
  • Remove the suspension components (as needed).
  • Ensure the bolt heads are clean and free of debris.
  • Tighten the bolts to the specified torque.
  • Lower the vehicle slowly.
  • Verify the bolt torque.
  • Inspect for any damage to the suspension components.
  • Reinstall suspension components.
View full procedure

Rear Suspension Bolt Torque Procedure

Detailed procedure for tightening rear suspension bolts.

  • Position the vehicle on jack stands.
  • Remove the suspension components (as needed).
  • Ensure the bolt heads are clean and free of debris.
  • Tighten the bolts to the specified torque.
  • Lower the vehicle slowly.
  • Verify the bolt torque.
  • Inspect for any damage to the suspension components.
  • Reinstall suspension components.
View full procedure
Technical Service Bulletins

Suspension Bolt Torque Specifications for 2007-2014 GMC Yukon

2023-10-27

This bulletin provides the updated torque specifications for suspension bolts on 2007-2014 GMC Yukon models.

2007 GMC Yukon 2008 GMC Yukon 2009 GMC Yukon 2010 GMC Yukon 2011 GMC Yukon 2012 GMC Yukon 2013 GMC Yukon 2014 GMC Yukon

Resolution: Refer to the attached document for specific torque specifications. Consult a qualified mechanic for assistance.

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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