GMC Yukon 2015-2020 Brake System Bolt Torque Specifications
Find the precise torque specifications for brake caliper bolts, wheel cylinder bolts, and other relevant fasteners on the 2015-2020 GMC Yukon. This page provides crucial information for safe and accurate repair procedures.
Important Information
Safety guidelines and reference information for proper torque application
Safety First
- Always verify torque specifications with your vehicle's factory service manual
- Use properly calibrated torque wrenches
- Replace all torque-to-yield (TTY) bolts - they are single-use only
- When in doubt, consult a professional mechanic
Quick Reference Guide
Quick Reference Guide
Common Torque Patterns
Star Pattern
Used for wheels and other circular bolt patterns
Cross Pattern
Used for gaskets and cover plates
Sequential Pattern
Used for head bolts and other critical components
Common Mistakes to Avoid
Common Mistakes to Avoid
Over-tightening
Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.
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.
Follow the manufacturer's specified torque sequence pattern.
Dirty Threads
Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.
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.
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.
Check if specs are for dry or lubricated threads. Use specified lubricant when required.
Recommended Tools
Recommended Tools
Torque Wrench (1/4" Drive)
Torque Wrench (3/8" Drive)
Torque Wrench (1/2" Drive)
Angle Gauge
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 caliper subsystem
Torque specifications for components related to the brake caliper assembly.
1 Brake Caliper Mounting Bolts
M10 x 1.25
Brake Caliper Mounting Bolts
M10 x 1.25Torque Value
Important Notes
2 Brake Caliper Mounting Bracket Bolts
M12 x 1.5
Brake Caliper Mounting Bracket Bolts
M12 x 1.5Torque Value
Important Notes
Brake disc/drum subsystem
Torque specifications for components related to the brake disc/drum assembly.
1 Brake Disc/Drum Retaining Bolts
M14 x 2.0
Brake Disc/Drum Retaining Bolts
M14 x 2.0Torque Value
Important Notes
Wheel subsystem
Torque specifications for wheel and hub fasteners.
1 Wheel Lug Nuts
M16 x 1.5
Wheel Lug Nuts
M16 x 1.5Torque Value
Important Notes
Brake pedal subsystem
Torque specifications for the brake pedal assembly.
1 Brake Pedal Mounting Bolts
M10 x 1.25
Brake Pedal Mounting Bolts
M10 x 1.25Torque Value
Important Notes
Brake master cylinder subsystem
Torque specifications for the brake master cylinder.
1 Brake Master Cylinder Mounting Bolts
M10 x 1.25
Brake Master Cylinder Mounting Bolts
M10 x 1.25Torque Value
Important Notes
Troubleshooting Guide
Common issues, diagnostic steps, and prevention guidelines
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
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
Diagnostic Steps
Visual inspection, torque verification, thread assessment
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
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
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
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 brake bolts?
Why are torque specifications important for brake bolts?
Incorrect torque on brake bolts can lead to premature failure. Too little torque allows the bolts to loosen, potentially leading to brake failure during operation. Too much torque can damage the threads in the mounting points, also causing failure. Proper torque ensures consistent braking force and prevents dangerous situations.
Q2 What if I slightly over-torqued a brake bolt?
What if I slightly over-torqued a brake bolt?
If you slightly over-torqued a brake bolt, you should carefully re-check the torque with a torque wrench. If the torque is still within the specified range, you are likely fine. However, if it is significantly above the specification, you may need to remove the bolt, inspect the threads for damage, and potentially replace the bolt and/or the mounting point if needed. This is especially important if you hear unusual noises or feel vibrations during braking.
Q3 What tools are needed to properly torque brake bolts?
What tools are needed to properly torque brake bolts?
A reliable torque wrench specifically calibrated for the required torque range is essential. Using a regular wrench or a socket and impact wrench can introduce significant errors and may lead to incorrect torque application, compromising safety.
Q4 How often should I check the brake bolt torque?
How often should I check the brake bolt torque?
Inspect brake bolt torque during routine maintenance, ideally every 10,000 miles or according to your vehicle's manufacturer recommendations. More frequent checks are recommended if the vehicle is used in harsh conditions (e.g., towing heavy loads, frequent aggressive braking).
Environmental Considerations
Temperature, humidity, and seasonal effects on torque specifications
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
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
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
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 precise torque application.
- Adjustable torque settings
- Accurate readings
- Durable construction
Socket Set
Includes sockets of various sizes for different bolt heads.
- Metric and standard sizes
- Durable construction
Brake Pedal Positioner
Used to safely hold the brake pedal in a specific position for proper caliper installation.
- Precise positioning
- Safety features
Wheel Chocks
Essential for vehicle stability during brake work.
- Prevent vehicle movement
- Durable construction
Service Procedures
Front Brake Caliper Replacement Procedure
Detailed steps for replacing front brake calipers on 2015-2020 GMC Yukon.
- 1. Position the vehicle on jack stands and ensure the parking brake is engaged.
- 2. Disconnect the brake caliper from the brake lines and the hydraulic system.
- 3. Carefully remove the old caliper and inspect the brake pads for wear.
- 4. Install the new caliper and connect it to the brake lines and hydraulic system. Securely tighten all connections.
- 5. Install new brake pads and rotors. Ensure proper alignment.
- 6. Bleed the brake system to remove air.
- 7. Verify torque specifications for all components including caliper mounting bolts (using a torque wrench).
- 8. Lower the vehicle and test the brakes. Ensure proper functionality and stopping power.
Rear Brake Caliper Replacement Procedure
Detailed steps for replacing rear brake calipers on 2015-2020 GMC Yukon.
- 1. Position the vehicle on jack stands and ensure the parking brake is engaged.
- 2. Disconnect the brake caliper from the brake lines and the hydraulic system.
- 3. Carefully remove the old caliper and inspect the brake pads for wear.
- 4. Install the new caliper and connect it to the brake lines and hydraulic system. Securely tighten all connections.
- 5. Install new brake pads and rotors. Ensure proper alignment.
- 6. Bleed the brake system to remove air.
- 7. Verify torque specifications for all components including caliper mounting bolts (using a torque wrench).
- 8. Lower the vehicle and test the brakes. Ensure proper functionality and stopping power.
Technical Service Bulletins
Potential Issue with Front Brake Rotor Mounting Bolts
2022-10-27This bulletin addresses potential issues with the torque specifications of the front brake rotor mounting bolts, which could lead to premature failure.
Resolution: Verify the torque specifications for the front brake rotor mounting bolts are met during installation. Refer to the appropriate repair manual
Brake Pedal Positioner Installation
2023-03-15This bulletin details proper installation procedures for the brake pedal positioner to prevent damage to the hydraulic system during brake caliper replacement.
Resolution: Follow the detailed procedure outlined in the repair manual to prevent potential damage.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.