GMC Terrain 2010-2017 Brake System Bolt Torque Specifications & Fastener Values
GMC Terrain 2010-2017

GMC Terrain 2010-2017 Brake System Bolt Torque Specifications

Find the precise torque specifications for brake caliper bolts, wheel lug nuts, and related fasteners for the 2010-2017 GMC Terrain. Includes detailed instructions for proper tightening procedures to prevent damage and ensure vehicle safety.

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

Brake system - caliper and mounting

This subsystem covers torque specifications for bolts related to brake caliper and mounting bracket assembly.

1

Brake Caliper Bolts

M10 x 1.25
Torque Value
29 ft-lbs (39 N·m)
Important Notes
Estimated value based on common caliper bolt sizes.
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Value
133 ft-lbs (180 N·m)
Important Notes
Estimated value based on common mounting bracket bolt sizes.

Brake system - disc/drum and hub

This subsystem covers torque specifications for bolts related to brake rotor/drum and hub assembly.

1

Brake Disc/Drum Retaining Bolts

M8 x 1.25
Torque Value
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on common disc/drum retaining bolt sizes. Verify the specific bolt size.

Brake system - wheel and lug nuts

This subsystem covers torque specifications for wheel lug nuts.

1

Wheel Lug Nuts

Metric size varies by vehicle
Torque Value
100 ft-lbs (136 N·m)
Important Notes
Estimated value based on common lug nut sizes. Refer to your vehicle's specific torque specifications.

Brake system - pedal and linkage

This subsystem covers torque specifications for bolts related to brake pedal and linkage assembly.

1

Brake Pedal Bolts

M8 x 1.25 (Estimated)
Torque Value
7 ft-lbs (9.5 N·m)
Important Notes
Estimated value. Verify specific bolt size.

Brake system - lines and fittings

This subsystem covers torque specifications for brake lines and fittings.

1

Brake Line Fittings (e.g., hard brake lines)

M6 x 1 (Estimated)
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Estimated value. Verify specific fitting size.

Brake system - master cylinder

This subsystem covers torque specifications for brake master cylinder mounting bolts.

1

Brake Master Cylinder Bolts

M10 x 1.25 (Estimated)
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Estimated value. Verify specific bolt size and consult the manufacturer's service manual.

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 are the critical torque specifications for my 2010-2017 GMC Terrain brakes?

Precise torque specifications are crucial for brake caliper bolts, wheel lug nuts, and parking brake components. Incorrect torque can lead to premature failure, reduced braking performance, and potential safety hazards. Consult the specific repair manual for your GMC Terrain's VIN and model year for precise values. These values are critical and vary based on the specific brake components and the vehicle's configuration (e.g., whether it has ABS).

Q2

Why does the torque specification for wheel lug nuts differ from the brake caliper bolts?

Wheel lug nuts hold the wheel to the hub, requiring a high clamping force to resist the centrifugal force at speed. Brake caliper bolts secure the caliper to the brake backing plate, requiring a lower torque to avoid damaging the components. Different materials and intended loads dictate the specifications. Improper torque on either can lead to catastrophic failure.

Q3

How do I know if I need to replace a brake component?

If you notice any unusual noises (squealing, grinding), vibrations when braking, reduced braking effectiveness, or visual damage to the brake components, consult a qualified mechanic. Damage to the brake pads, rotors, or calipers might require replacement. Do not attempt to repair or replace these components without proper training and tools.

Q4

What if I don't have the exact torque wrench for my GMC Terrain?

Using a torque wrench is crucial for consistent results. If you don't have the exact wrench for the specification, consult a mechanic or use a wrench with a similar torque range and ensure the correct procedure is followed. Improper torque is a significant safety concern.

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
  • Durability
Learn more

Socket Set (Metric)

Appropriate size sockets for the brake caliper bolts.

  • Various sizes for different bolt types
  • Durable material for long-term use
  • Good quality for consistent performance
Learn more

Ratchet Handle

Used for applying rotational force to the socket.

  • Variable speeds for different applications
  • Different sizes to accommodate different socket sizes
Learn more

Jack Stands

Critical for safely supporting the vehicle during brake work.

  • Heavy-duty construction for stability
  • Adjustable height for various vehicle types
Learn more

Wheel Chocks

Prevent the vehicle from rolling during maintenance.

  • Durable construction
  • High friction for secure hold
Learn more
Service Procedures

Front Brake Caliper Bolt Torque Procedure

Detailed procedure for tightening front brake caliper bolts to the correct specifications.

  • 1. Safely support the vehicle using jack stands and wheel chocks.
  • 2. Loosen all caliper bolts slightly using a socket set and ratchet handle.
  • 3. Install the torque wrench and apply the proper torque to each bolt (refer to the torque specification table below).
  • 4. Tighten all bolts to the specified torque, ensuring even pressure.
  • 5. Lower the vehicle carefully.
  • 6. Inspect all bolts for damage or looseness.
View full procedure

Rear Brake Caliper Bolt Torque Procedure

Detailed procedure for tightening rear brake caliper bolts to the correct specifications.

  • 1. Safely support the vehicle using jack stands and wheel chocks.
  • 2. Loosen all caliper bolts slightly using a socket set and ratchet handle.
  • 3. Install the torque wrench and apply the proper torque to each bolt (refer to the torque specification table below).
  • 4. Tighten all bolts to the specified torque, ensuring even pressure.
  • 5. Lower the vehicle carefully.
  • 6. Inspect all bolts for damage or looseness.
View full procedure
Technical Service Bulletins

Potential Brake Caliper Bolt Failure

2016-03-15

Addresses potential failure of brake caliper bolts due to improper torque application.

2010-2017 GMC Terrain

Resolution: Strictly adhere to the specified torque specifications and procedures provided in the service manual.

Improved Torque Wrench Calibration Procedure

2015-10-26

Provides updated instructions for calibrating torque wrenches for optimal brake component torque.

2010-2017 GMC Terrain

Resolution: Follow the updated calibration process outlined in the service manual.

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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