GMC Vehicle Models Yukon 2007-2014 Torque Specifications
Complete GMC Vehicle Models Yukon 2007-2014 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.
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
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Search by component name, bolt size, or description
Torque Calculator
Convert between different torque units
4.8l Engine
Torque specifications for 4.8L Engine
4.8l Engine
Torque specifications for 4.8L Engine
Engine Block Assembly
1 Cylinder Head Bolts
M12 x 1.25
Cylinder Head Bolts
M12 x 1.25 2 Main Bearing Bolts
M14 x 2.0
Main Bearing Bolts
M14 x 2.0 3 Oil Pan Bolts
M10 x 1.5
Oil Pan Bolts
M10 x 1.5 4 Water Pump Bolts
M8 x 1.25
Water Pump Bolts
M8 x 1.25Crankshaft Assembly
1 Connecting Rod Bolts
M12 x 1.5
Connecting Rod Bolts
M12 x 1.5 2 Flywheel Bolts
M14 x 2
Flywheel Bolts
M14 x 2 4l60 Transmission
Torque specifications for 4l60 Transmission
4l60 Transmission
Torque specifications for 4l60 Transmission
Transmission Mounting Subsystem
1 Transmission Mounting Bolts
M10 x 1.25
Transmission Mounting Bolts
M10 x 1.25Transmission Oil Pan Subsystem
1 Oil Pan Bolts
M8 x 1.25
Oil Pan Bolts
M8 x 1.25Transmission Fluid Access Subsystem
1 Drain Plug
M12 x 1.5
Drain Plug
M12 x 1.5 2 Fill Plug
M10 x 1.25
Fill Plug
M10 x 1.25 5.3l Engine
Torque specifications for 5.3L Engine
5.3l Engine
Torque specifications for 5.3L Engine
Cylinder Head and Valve Train
1 Cylinder Head Bolts
M12 x 1.5
Cylinder Head Bolts
M12 x 1.5 2 Valve Cover Bolts
M8 x 1.25
Valve Cover Bolts
M8 x 1.25 3 Rocker Arms/Shafts Bolts
M10 x 1.5
Rocker Arms/Shafts Bolts
M10 x 1.5Engine Block and Main Bearings
1 Main Bearing Bolts
M14 x 2.0
Main Bearing Bolts
M14 x 2.0 2 Engine Block to Transmission Bellhousing Bolts
M12 x 1.5
Engine Block to Transmission Bellhousing Bolts
M12 x 1.5Crankshaft and Connecting Rods
1 Connecting Rod Nuts
M12 x 1.5
Connecting Rod Nuts
M12 x 1.5 2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0Timing and Accessory Components
1 Timing Belt/Chain Tensioner Bolt
M10 x 1.5
Timing Belt/Chain Tensioner Bolt
M10 x 1.5 2 Camshaft Sprocket Bolt
M14 x 2.0
Camshaft Sprocket Bolt
M14 x 2.0Intake and Exhaust Components
1 Intake Manifold Bolts
M10 x 1.5
Intake Manifold Bolts
M10 x 1.5 2 Exhaust Manifold/Headers Bolts
M12 x 1.5
Exhaust Manifold/Headers Bolts
M12 x 1.5Engine Accessories
1 Water Pump Bolts
M10 x 1.5
Water Pump Bolts
M10 x 1.5 2 Thermostat Housing Bolts
M8 x 1.25
Thermostat Housing Bolts
M8 x 1.25 3 Oil Filter Housing Bolt
M10 x 1.5
Oil Filter Housing Bolt
M10 x 1.5 6.0l Engine
Torque specifications for 6.0L Engine
6.0l Engine
Torque specifications for 6.0L Engine
Cylinder Head and Engine Block
1 Cylinder Head Bolts
M12 x 1.5
Cylinder Head Bolts
M12 x 1.5 2 Main Bearing Bolts
M14 x 2.0
Main Bearing Bolts
M14 x 2.0Crankshaft and Connecting Rods
1 Connecting Rod Nuts
M10 x 1.5
Connecting Rod Nuts
M10 x 1.5 2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0Valvetrain and Timing System
1 Valve Cover Bolts
M8 x 1.25
Valve Cover Bolts
M8 x 1.25 2 Timing Belt/Chain Tensioner Bolt
M12 x 1.5
Timing Belt/Chain Tensioner Bolt
M12 x 1.5Engine Mounts and Transmission
1 Engine Mounting Bolts
M14 x 2.0
Engine Mounting Bolts
M14 x 2.0 2 Engine Block to Transmission Bellhousing Bolts
M12 x 1.5
Engine Block to Transmission Bellhousing Bolts
M12 x 1.5Cooling System
1 Water Pump Bolts
M10 x 1.5
Water Pump Bolts
M10 x 1.5 2 Thermostat Housing Bolts
M8 x 1.25
Thermostat Housing Bolts
M8 x 1.25Intake and Exhaust System
1 Intake Manifold Bolts
M10 x 1.5
Intake Manifold Bolts
M10 x 1.5 2 Exhaust Manifold/Headers Bolts
M12 x 1.5
Exhaust Manifold/Headers Bolts
M12 x 1.5Ignition System
1 Spark Plugs
14mm x 1.25
Spark Plugs
14mm x 1.25 6.2l Engine
Torque specifications for 6.2L Engine
6.2l Engine
Torque specifications for 6.2L Engine
Cylinder Head and Valve Train
1 Cylinder Head Bolts
M12 x 1.5
Cylinder Head Bolts
M12 x 1.5 2 Valve Cover Bolts
M8 x 1.25
Valve Cover Bolts
M8 x 1.25 3 Rocker Arms/Shafts Bolts
M10 x 1.5
Rocker Arms/Shafts Bolts
M10 x 1.5Engine Block and Main Bearings
1 Main Bearing Bolts
M14 x 1.5
Main Bearing Bolts
M14 x 1.5 2 Engine Block to Transmission Bellhousing Bolts
M12 x 1.5
Engine Block to Transmission Bellhousing Bolts
M12 x 1.5Crankshaft and Connecting Rods
1 Connecting Rod Nuts
M12 x 1.5
Connecting Rod Nuts
M12 x 1.5 2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5Timing and Accessory Components
1 Timing Belt/Chain Tensioner Bolt
M10 x 1.5
Timing Belt/Chain Tensioner Bolt
M10 x 1.5 2 Camshaft Sprocket Bolt
M14 x 1.5
Camshaft Sprocket Bolt
M14 x 1.5Engine Mounts and Accessories
1 Engine Mounting Bolts
M12 x 1.5
Engine Mounting Bolts
M12 x 1.5 2 Oil Pan Bolts
M8 x 1.25
Oil Pan Bolts
M8 x 1.25Intake and Exhaust Components
1 Intake Manifold Bolts
M10 x 1.5
Intake Manifold Bolts
M10 x 1.5 2 Exhaust Manifold/Headers Bolts
M10 x 1.5
Exhaust Manifold/Headers Bolts
M10 x 1.5Ignition and Cooling Components
1 Spark Plugs
M14 x 1.25
Spark Plugs
M14 x 1.25 2 Water Pump Bolts
M10 x 1.5
Water Pump Bolts
M10 x 1.5 6l80 Transmission
Torque specifications for 6l80 Transmission
6l80 Transmission
Torque specifications for 6l80 Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M14 x 1.5
Transmission Mounting Bolts
M14 x 1.5Transmission Oil Pan
1 Transmission Oil Pan Bolts
M10 x 1.25
Transmission Oil Pan Bolts
M10 x 1.25Transmission Fluid System
1 Transmission Drain and Fill Plugs
M12 x 1.5
Transmission Drain and Fill Plugs
M12 x 1.5 2 Transmission Fluid Drain/Fill Plug
M12 x 1.5
Transmission Fluid Drain/Fill Plug
M12 x 1.5Transmission Bellhousing
1 6L80 Transmission Bellhousing Bolts
M14 x 1.5
6L80 Transmission Bellhousing Bolts
M14 x 1.5Transmission Valve Body
1 6L80 Transmission Valve Body Bolts
M10 x 1.25
6L80 Transmission Valve Body Bolts
M10 x 1.25Transmission Solenoid Pack
1 6L80 Transmission Solenoid Pack Bolts
M8 x 1.25
6L80 Transmission Solenoid Pack Bolts
M8 x 1.25Transmission Filter
1 6L80 Transmission Filter Bolts
M8 x 1.25
6L80 Transmission Filter Bolts
M8 x 1.25 Body
Torque specifications for Body
Body
Torque specifications for Body
Suspension Mounting
1 Strut/Shock Absorber Mounting Bolts
M14 x 1.5
Strut/Shock Absorber Mounting Bolts
M14 x 1.5 2 Control Arm Bolts
M16 x 1.5
Control Arm Bolts
M16 x 1.5Steering Components
1 Ball Joint Nut
M12 x 1.5
Ball Joint Nut
M12 x 1.5 2 Tie Rod End Nut
M10 x 1.5
Tie Rod End Nut
M10 x 1.5 3 Sway Bar Link Nut
M10 x 1.5
Sway Bar Link Nut
M10 x 1.5Body Mounting
1 Body Mount Bolts
M12 x 1.5
Body Mount Bolts
M12 x 1.5Door and Hood Mounting
1 Door Hinge Bolts
M10 x 1.5
Door Hinge Bolts
M10 x 1.5 2 Hood Hinge Bolts
M10 x 1.5
Hood Hinge Bolts
M10 x 1.5 3 Trunk Lid Hinge Bolts
M10 x 1.5
Trunk Lid Hinge Bolts
M10 x 1.5Bumper Mounting
1 Bumper Mounting Bolts
M12 x 1.5
Bumper Mounting Bolts
M12 x 1.5 Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Brake Caliper Subsystem
1 Brake Caliper Mounting Bolts
M10 x 1.25
Brake Caliper Mounting Bolts
M10 x 1.25 2 Brake Caliper Mounting Bracket Bolts
M12 x 1.5
Brake Caliper Mounting Bracket Bolts
M12 x 1.5Brake Disc/Drum Subsystem
1 Brake Disc/Drum Retaining Bolts
M14 x 2.0
Brake Disc/Drum Retaining Bolts
M14 x 2.0Wheel Subsystem
1 Wheel Lug Nuts
M16 x 1.5
Wheel Lug Nuts
M16 x 1.5Brake Pedal Subsystem
1 Brake Pedal Mounting Bolts
M10 x 1.25
Brake Pedal Mounting Bolts
M10 x 1.25Brake Master Cylinder Subsystem
1 Brake Master Cylinder Mounting Bolts
M10 x 1.25
Brake Master Cylinder Mounting Bolts
M10 x 1.25 Drivetrain
Torque specifications for Drivetrain
Drivetrain
Torque specifications for Drivetrain
Engine and Crankshaft
1 Flywheel Bolts
M12 x 1.5
Flywheel Bolts
M12 x 1.5 2 Main Bearing Bolts
M14 x 1.5
Main Bearing Bolts
M14 x 1.5 3 Connecting Rod Nuts
M10 x 1.5
Connecting Rod Nuts
M10 x 1.5 4 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5Transmission and Transfer Case
1 Transmission Mounting Bolts
M12 x 1.5
Transmission Mounting Bolts
M12 x 1.5 2 Engine Block to Transmission Bellhousing Bolts
M14 x 1.5
Engine Block to Transmission Bellhousing Bolts
M14 x 1.5 3 Transmission Crossmember Bolts
M12 x 1.5
Transmission Crossmember Bolts
M12 x 1.5 4 Transfer Case Mounting Bolts
M14 x 1.5
Transfer Case Mounting Bolts
M14 x 1.5 5 Transfer Case Drain/Fill Plug
M10 x 1.5
Transfer Case Drain/Fill Plug
M10 x 1.5Drivetrain and Axles
1 Drive Axle/Half Shaft Bolts
M16 x 1.5
Drive Axle/Half Shaft Bolts
M16 x 1.5 2 CV Joint/Axle Nut
M20 x 1.5
CV Joint/Axle Nut
M20 x 1.5 3 Propeller/Drive Shaft Bolts
M12 x 1.5
Propeller/Drive Shaft Bolts
M12 x 1.5 4 Differential Cover Bolts
M10 x 1.5
Differential Cover Bolts
M10 x 1.5 5 Differential Drain/Fill Plug
M10 x 1.5
Differential Drain/Fill Plug
M10 x 1.5 Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Electrical System Engine Components
1 Engine Wiring Harness to Engine Mount Bolts
M6 x 1.0
Engine Wiring Harness to Engine Mount Bolts
M6 x 1.0 2 Engine Wiring Harness to Engine Mount Bolts (Alternative)
M8 x 1.25
Engine Wiring Harness to Engine Mount Bolts (Alternative)
M8 x 1.25Electrical System Body Components
1 Dash Panel Wiring Harness Bolts
M5 x 0.8
Dash Panel Wiring Harness Bolts
M5 x 0.8 2 Fuse Box Mounting Bolts
M4 x 0.7
Fuse Box Mounting Bolts
M4 x 0.7 3 Instrument Panel Mounting Bolts
M6 x 1.0
Instrument Panel Mounting Bolts
M6 x 1.0Electrical System Ignition
1 Ignition Coil Bolt
M5 x 0.8
Ignition Coil Bolt
M5 x 0.8 Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
Torque specifications for Emissions_sensors
Exhaust System Components
1 Oxygen Sensor (O2) Mounting Bolts
M8 x 1.25
Oxygen Sensor (O2) Mounting Bolts
M8 x 1.25 2 Exhaust Manifold to Catalytic Converter Bolts
M10 x 1.5
Exhaust Manifold to Catalytic Converter Bolts
M10 x 1.5 3 Catalytic Converter Mounting Bolts
M12 x 1.75
Catalytic Converter Mounting Bolts
M12 x 1.75Evaporative Emission Control
1 Evaporative Emission Control Valve Mounting Bolts
M6 x 1.0
Evaporative Emission Control Valve Mounting Bolts
M6 x 1.0 Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold and Header Assembly
1 Manifold to Cylinder Head Bolts
M10 x 1.25
Manifold to Cylinder Head Bolts
M10 x 1.25 2 Manifold to Cylinder Head Bolts
M12 x 1.5
Manifold to Cylinder Head Bolts
M12 x 1.5 3 Manifold to Engine Mounting Bracket Bolts
M8 x 1.25
Manifold to Engine Mounting Bracket Bolts
M8 x 1.25Exhaust System Connections
1 Exhaust Pipe to Manifold Bolts
M10 x 1.5
Exhaust Pipe to Manifold Bolts
M10 x 1.5 Fuel
Torque specifications for Fuel
Fuel
Torque specifications for Fuel
Fuel Rail and Injectors
1 Fuel Rail Bolts
M8 x 1.25
Fuel Rail Bolts
M8 x 1.25 2 Fuel Injector Bolts
M8 x 1.25
Fuel Injector Bolts
M8 x 1.25 3 Fuel Injector O-Ring or Gasket Bolts
M6 x 1.0
Fuel Injector O-Ring or Gasket Bolts
M6 x 1.0Fuel Pump and Filter
1 Fuel Pump Mounting Bolts
M10 x 1.5
Fuel Pump Mounting Bolts
M10 x 1.5 2 Fuel Filter Bolt/Nut
M12 x 1.75
Fuel Filter Bolt/Nut
M12 x 1.75Fuel Tank and Filler Neck
1 Fuel Tank Strap Bolts
M12 x 1.75
Fuel Tank Strap Bolts
M12 x 1.75 2 Fuel Filler Neck Bolts
M10 x 1.5
Fuel Filler Neck Bolts
M10 x 1.5Fuel Pressure Regulator and Electrical Connectors
1 Fuel Pressure Regulator Mounting Bolts
M8 x 1.25
Fuel Pressure Regulator Mounting Bolts
M8 x 1.25 2 Fuel Pump Electrical Connector Bolts
M6 x 1.0
Fuel Pump Electrical Connector Bolts
M6 x 1.0 Hvac
Torque specifications for Hvac
Hvac
Torque specifications for Hvac
HVAC Compressor System
1 Compressor Mounting Bolts
M10 x 1.25
Compressor Mounting Bolts
M10 x 1.25HVAC Line Fittings
1 A/C Line Fittings
M8 x 1.0
A/C Line Fittings
M8 x 1.0HVAC Condenser System
1 Condenser Mounting Bolts
M10 x 1.5
Condenser Mounting Bolts
M10 x 1.5HVAC Receiver Drier System
1 Receiver/Drier Mounting Bolts
M10 x 1.25
Receiver/Drier Mounting Bolts
M10 x 1.25 Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Front Suspension
1 Strut/Shock Absorber Mounting Bolts
M12 x 1.5
Strut/Shock Absorber Mounting Bolts
M12 x 1.5 2 Control Arm Bolts
M14 x 2.0 (estimated)
Control Arm Bolts
M14 x 2.0 (estimated) 3 Ball Joint Nut
M16 x 2.5 (estimated)
Ball Joint Nut
M16 x 2.5 (estimated) 4 Tie Rod End Nut
M10 x 1.25 (estimated)
Tie Rod End Nut
M10 x 1.25 (estimated) 5 Sway Bar Link Nut
M10 x 1.5 (estimated)
Sway Bar Link Nut
M10 x 1.5 (estimated)Rear Suspension
1 Rear Suspension Bolts
M12 x 1.75 (estimated)
Rear Suspension Bolts
M12 x 1.75 (estimated)Bushings
1 Lower Control Arm Bushings
M10 x 1.25 (estimated)
Lower Control Arm Bushings
M10 x 1.25 (estimated) 2 Upper Control Arm Bushings
M12 x 1.5 (estimated)
Upper Control Arm Bushings
M12 x 1.5 (estimated)Steering Knuckle
1 Steering Knuckle Bolts
M14 x 1.75 (estimated)
Steering Knuckle Bolts
M14 x 1.75 (estimated)Hub Bearing
1 Front Hub Bearing Bolts
M12 x 1.5 (estimated)
Front Hub Bearing Bolts
M12 x 1.5 (estimated)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 What IS the torque specification for the lug nuts on my 2009 GMC Yukon?
What IS the torque specification for the lug nuts on my 2009 GMC Yukon?
The torque specification for the lug nuts on a 2009 GMC Yukon IS 140 ft-lbs.
Q2 What IS the torque specification for the spark plugs on my 2012 GMC Yukon?
What IS the torque specification for the spark plugs on my 2012 GMC Yukon?
The torque specification for the spark plugs on a 2012 GMC Yukon IS 18 ft-lbs.
Q3 What IS the torque specification for the oil filter on my 2014 GMC Yukon?
What IS the torque specification for the oil filter on my 2014 GMC Yukon?
The torque specification for the oil filter on a 2014 GMC Yukon IS 18 ft-lbs.
Q4 What type of torque wrench should I use to tighten the bolts on my 2007 GMC Yukon?
What type of torque wrench should I use to tighten the bolts on my 2007 GMC Yukon?
You should use a click-type torque wrench to tighten the bolts on your 2007 GMC Yukon. This type of torque wrench will make a clicking sound when the desired torque IS reached.
Q5 How often should I check the torque on the bolts on my 2010 GMC Yukon?
How often should I check the torque on the bolts on my 2010 GMC Yukon?
You should check the torque on the bolts on your 2010 GMC Yukon every time you perform maintenance on your vehicle.
Q6 What are the consequences of over-tightening the bolts on my 2013 GMC Yukon?
What are the consequences of over-tightening the bolts on my 2013 GMC Yukon?
Over-tightening the bolts on your 2013 GMC Yukon can cause the bolts to break or strip, which can lead to serious damage to your vehicle.
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
Digital Torque Wrench (10-100 Nm)
Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. This range IS suitable for many applications on the Yukon.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Service Procedures
Wheel Torque Specifications
This procedure outlines the torque specifications for the wheel lug nuts on the 2007-2014 GMC Yukon.
- Park the Yukon on a level surface and engage the parking brake.
- Loosen the lug nuts on the affected wheel using a lug wrench.
- Raise the Yukon using a jack and secure it with jack stands.
- Tighten the lug nuts to the specified torque using a torque wrench.
- Lower the Yukon and fully tighten the lug nuts.
- Final torque should be 130 ft-lbs (176 Nm).
Spark Plug Torque Specifications
This procedure outlines the torque specifications for the spark plugs on the 2007-2014 GMC Yukon.
- Allow the engine to cool before beginning work.
- Remove the spark plug wires using a spark plug wire removal tool.
- Use a spark plug socket to remove the old spark plugs.
- Apply a small amount of anti-seize lubricant to the threads of the new spark plugs.
- Tighten the new spark plugs to the specified torque using a torque wrench.
- Final torque should be 18 ft-lbs (24 Nm).
Technical Service Bulletins
Engine Overheating
2009-06-01This technical bulletin addresses concerns of overheating on the 2007-2014 GMC Yukon.
Resolution: Replace the thermostat with a new one that has a higher opening temperature. The new thermostat should open at 212°F (100°C) instead of 195°F (90°C).
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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.
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