GMC Vehicle Models Terrain 2010-2017
GMC Vehicle Models Terrain 2010-2017 Torque Specifications
Complete GMC Vehicle Models Terrain 2010-2017 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.
Updated
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
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
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.
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
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
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Torque Calculator
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2.4l Engine
Torque specifications for 2.4L Engine
2.4l Engine
Torque specifications for 2.4L Engine
Cylinder Head and Valve Train
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2 Valve Cover Bolts
M8 x 1.25
2
Valve Cover Bolts
M8 x 1.25
Torque Specification
8 ft-lbs (10 N·m)
3 Rocker Arms/Shafts Bolts
M10 x 1.5
3
Rocker Arms/Shafts Bolts
M10 x 1.5
Torque Specification
89 in-lbs (10 N·m)
Important Notes
Estimated torque value based on similar components.
Engine Block and Main Bearings
1 Main Bearing Bolts
M14 x 2.0
1
Main Bearing Bolts
M14 x 2.0
Torque Specification
70 ft-lbs (95 N·m)
2 Engine Block Heater Bolt
M10 x 1.5
2
Engine Block Heater Bolt
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated torque value based on general industry standards.
Crankshaft and Connecting Rods
1 Connecting Rod Nuts
M12 x 1.5
1
Connecting Rod Nuts
M12 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
2
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
Torque Specification
134 ft-lbs (182 N·m)
Timing System
1 Timing Belt/Chain Tensioner Bolt
M12 x 1.5
1
Timing Belt/Chain Tensioner Bolt
M12 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
2 Camshaft Sprocket Bolt
M14 x 2.0
2
Camshaft Sprocket Bolt
M14 x 2.0
Torque Specification
45 ft-lbs (61 N·m)
Intake and Exhaust Systems
1 Intake Manifold Bolts
M10 x 1.5
1
Intake Manifold Bolts
M10 x 1.5
Torque Specification
89 in-lbs (10 N·m)
Important Notes
Estimated torque value based on similar components.
2 Exhaust Manifold/Headers Bolts
M12 x 1.5
2
Exhaust Manifold/Headers Bolts
M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
3 Throttle Body Bolts
M8 x 1.25
3
Throttle Body Bolts
M8 x 1.25
Torque Specification
89 in-lbs (10 N·m)
Important Notes
Estimated torque value based on similar components.
Fuel System
1 Fuel Rail Bolts
M10 x 1.5
1
Fuel Rail Bolts
M10 x 1.5
Torque Specification
89 in-lbs (10 N·m)
Important Notes
Estimated torque value based on similar components.
2 Fuel Injector Bolts
M8 x 1.25
2
Fuel Injector Bolts
M8 x 1.25
Torque Specification
89 in-lbs (10 N·m)
Important Notes
Estimated torque value based on similar components.
3 Oil Filter Housing Bolt
M12 x 1.5
3
Oil Filter Housing Bolt
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
4 Oil Drain Plug Bolt
M12 x 1.5
4
Oil Drain Plug Bolt
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Ignition System
1 Ignition Coil Bolt
M10 x 1.5
1
Ignition Coil Bolt
M10 x 1.5
Torque Specification
89 in-lbs (10 N·m)
Important Notes
Estimated torque value based on similar components.
2 Spark Plugs
M14 x 1.25
2
Spark Plugs
M14 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Engine Mounts and Accessories
1 Engine Mounting Bolts
M14 x 2.0
1
Engine Mounting Bolts
M14 x 2.0
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated torque value based on general industry standards.
2 Accessory Belt Tensioner Bolt
M12 x 1.5
2
Accessory Belt Tensioner Bolt
M12 x 1.5
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated torque value based on general industry standards.
3 Water Pump Bolts
M10 x 1.5
3
Water Pump Bolts
M10 x 1.5
Torque Specification
89 in-lbs (10 N·m)
Important Notes
Estimated torque value based on similar components.
3.0l Engine
Torque specifications for 3.0L Engine
3.0l Engine
Torque specifications for 3.0L Engine
Cylinder Head and Valve Train
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2 Valve Cover Bolts
M8 x 1.25
2
Valve Cover Bolts
M8 x 1.25
Torque Specification
8 ft-lbs (10 N·m)
3 Rocker Arms/Shafts Bolts
M10 x 1.5
3
Rocker Arms/Shafts Bolts
M10 x 1.5
Torque Specification
89 in-lbs (10 N·m)
Important Notes
Estimated value, consult engine manufacturer's recommendations for specific bolt torque specifications.
Engine Block and Main Bearings
1 Main Bearing Bolts
M14 x 2.0
1
Main Bearing Bolts
M14 x 2.0
Torque Specification
70 ft-lbs (95 N·m)
2 Engine Block to Transmission Bellhousing Bolts
M12 x 1.5
2
Engine Block to Transmission Bellhousing Bolts
M12 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Estimated value, consult engine manufacturer's recommendations for specific bolt torque specifications.
Crankshaft and Connecting Rods
1 Connecting Rod Nuts
M12 x 1.5
1
Connecting Rod Nuts
M12 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
2
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 2.0
Torque Specification
134 ft-lbs (182 N·m)
Timing and Accessory Components
1 Timing Belt/Chain Tensioner Bolt
M10 x 1.5
1
Timing Belt/Chain Tensioner Bolt
M10 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
2 Camshaft Sprocket Bolt
M12 x 1.5
2
Camshaft Sprocket Bolt
M12 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Engine Mounts and Accessories
1 Engine Mounting Bolts
M12 x 1.5
1
Engine Mounting Bolts
M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value, consult engine manufacturer's recommendations for specific bolt torque specifications.
2 Oil Pan Bolts
M10 x 1.5
2
Oil Pan Bolts
M10 x 1.5
Torque Specification
106 in-lbs (12 N·m)
Intake and Exhaust Components
1 Intake Manifold Bolts
M10 x 1.5
1
Intake Manifold Bolts
M10 x 1.5
Torque Specification
89 in-lbs (10 N·m)
2 Exhaust Manifold/Headers Bolts
M10 x 1.5
2
Exhaust Manifold/Headers Bolts
M10 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Sensors and Electrical Components
1 Crankshaft Position Sensor Bolt
M8 x 1.25
1
Crankshaft Position Sensor Bolt
M8 x 1.25
Torque Specification
10 ft-lbs (13 N·m)
Important Notes
Estimated value, consult engine manufacturer's recommendations for specific bolt torque specifications.
2 Camshaft Position Sensor Bolt
M8 x 1.25
2
Camshaft Position Sensor Bolt
M8 x 1.25
Torque Specification
10 ft-lbs (13 N·m)
Important Notes
Estimated value, consult engine manufacturer's recommendations for specific bolt torque specifications.
3.6l Engine
Torque specifications for 3.6L Engine
3.6l Engine
Torque specifications for 3.6L Engine
Engine Block Assembly
1 Cylinder Head Bolts
M12 x 1.25
1
Cylinder Head Bolts
M12 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated bolt size and torque value, verify with the original manufacturer's service manual for the exact specifications.
2 Main Bearing Bolts
M14 x 2
2
Main Bearing Bolts
M14 x 2
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Estimated bolt size and torque value, verify with the original manufacturer's service manual for the exact specifications. Torque values may vary by location on the crankshaft.
3 Connecting Rod Nuts
M16 x 2.5
3
Connecting Rod Nuts
M16 x 2.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Estimated bolt size and torque value, verify with the original manufacturer's service manual for the exact specifications. Torque values may vary by location on the connecting rod.
Crankshaft Components
1 Flywheel Bolts
M16 x 2.5
1
Flywheel Bolts
M16 x 2.5
Torque Specification
76 ft-lbs (103 N·m)
Important Notes
Estimated bolt size and torque value, verify with the original manufacturer's service manual for the exact specifications.
2 Crankshaft Pulley/Harmonic Balancer Bolts
M14 x 2
2
Crankshaft Pulley/Harmonic Balancer Bolts
M14 x 2
Torque Specification
134 ft-lbs (182 N·m)
Important Notes
Estimated bolt size and torque value, verify with the original manufacturer's service manual for the exact specifications.
Exhaust System
1 Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.25
1
Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated bolt size and torque value, verify with the original manufacturer's service manual for the exact specifications.
6t45 Transmission
Torque specifications for 6t45 Transmission
6t45 Transmission
Torque specifications for 6t45 Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M12 x 1.5
1
Transmission Mounting Bolts
M12 x 1.5
Torque Specification
37 ft-lbs (50 N-m)
Important Notes
Torque value estimated based on similar components. Refer to the service manual for exact bolt sizes and locations.
Transmission Oil Pan
1 Transmission Oil Pan Bolts
M8 x 1.25
1
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
10 ft-lbs (14 N-m)
Important Notes
Torque value estimated based on similar components. Refer to the service manual for exact bolt sizes and locations.
Transmission Fluid Ports
1 Transmission Drain Plug
M12 x 1.5
1
Transmission Drain Plug
M12 x 1.5
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Torque value estimated based on similar components. Verify the exact bolt size and location in the service manual.
2 Transmission Fill Plug
M10 x 1.25
2
Transmission Fill Plug
M10 x 1.25
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Torque value estimated based on similar components. Verify the exact bolt size and location in the service manual.
Transmission Internal Components
1 Transmission Case Bolts (Variable)
[Variable]
1
Transmission Case Bolts (Variable)
[Variable]
Torque Specification
25 ft-lbs (34 N-m)
Important Notes
Torque values are variable and depend on specific bolt size and location. Refer to the service manual for accurate specifications.
2 Input Shaft Bearing Bolts
[Variable]
2
Input Shaft Bearing Bolts
[Variable]
Torque Specification
20 ft-lbs (27 N-m)
Important Notes
Torque value estimated based on similar components. Consult the service manual for exact specifications.
3 Output Shaft Bearing Bolts
[Variable]
3
Output Shaft Bearing Bolts
[Variable]
Torque Specification
20 ft-lbs (27 N-m)
Important Notes
Torque value estimated based on similar components. Consult the service manual for exact specifications.
4 Shift Shaft/Fork Bolts
[Variable]
4
Shift Shaft/Fork Bolts
[Variable]
Torque Specification
20 ft-lbs (27 N-m)
Important Notes
Torque value estimated based on similar components. Consult the service manual for exact specifications.
6t75 Transmission
Torque specifications for 6t75 Transmission
6t75 Transmission
Torque specifications for 6t75 Transmission
Transmission Mounting
1 Transmission to Engine Mount Bolts
M12 x 1.25
1
Transmission to Engine Mount Bolts
M12 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated based on similar applications.
Transmission Pan
1 Transmission Oil Pan Bolts
M8 x 1.25
1
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
10.6 ft-lbs (14.5 N·m)
Important Notes
Estimated value; confirm with a 6T75 service manual.
Plugs
1 Transmission Drain Plug
M12 x 1.5
1
Transmission Drain Plug
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value; confirm with a 6T75 service manual.
2 Transmission Fill Plug
M10 x 1.25
2
Transmission Fill Plug
M10 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value; confirm with a 6T75 service manual.
Input Shaft Bearing
1 Input Shaft Bearing Bolts
M10 x 1.5
1
Input Shaft Bearing Bolts
M10 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value; confirm with a 6T75 service manual.
Output Shaft Bearing
1 Output Shaft Bearing Bolts
M10 x 1.25
1
Output Shaft Bearing Bolts
M10 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value; confirm with a 6T75 service manual.
Torque Converter
1 Torque Converter Bolts
M10 x 1.25
1
Torque Converter Bolts
M10 x 1.25
Torque Specification
60 ft-lbs (82 N·m)
Important Notes
Estimated value; confirm with a 6T75 service manual.
Case Support
1 Transmission Case Support Bolts
M10 x 1.5
1
Transmission Case Support Bolts
M10 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value; confirm with a 6T75 service manual.
Gear Housing
1 Gear Housing Bolts
M10 x 1.5
1
Gear Housing Bolts
M10 x 1.5
Torque Specification
40 ft-lbs (55 N·m)
Important Notes
Estimated value; confirm with a 6T75 service manual.
Body
Torque specifications for Body
Body
Torque specifications for Body
Suspension
1 Strut/Shock Absorber Mounting Bolts
M14 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M14 x 1.5
Torque Specification
81 ft-lbs (110 N·m)
2 Control Arm Bolts
M14 x 1.5
2
Control Arm Bolts
M14 x 1.5
Torque Specification
81 ft-lbs (110 N·m)
Steering
1 Steering Gear/Rack Bolts
M12 x 1.25
1
Steering Gear/Rack Bolts
M12 x 1.25
Torque Specification
81 ft-lbs (110 N·m)
2 Tie Rod End Nut
M16 x 1.5
2
Tie Rod End Nut
M16 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
3 Ball Joint Nut
M14 x 1.5
3
Ball Joint Nut
M14 x 1.5
Torque Specification
41 ft-lbs (55 N·m)
Body
1 Body Mount Bolts
M12 x 1.25
1
Body Mount Bolts
M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value, may vary depending on specific location and type of bolt.
Doors and Hinges
1 Door Hinge Bolts
M10 x 1.25
1
Door Hinge Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, may vary depending on specific location and type of bolt.
2 Hood Hinge Bolts
M10 x 1.25
2
Hood Hinge Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, may vary depending on specific location and type of bolt.
3 Trunk Lid Hinge Bolts
M10 x 1.25
3
Trunk Lid Hinge Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, may vary depending on specific location and type of bolt.
Bumper
1 Bumper Mounting Bolts
M12 x 1.25
1
Bumper Mounting Bolts
M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value, may vary depending on specific location and type of bolt.
Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Brake System Caliper and Mounting
1 Brake Caliper Bolts
M10 x 1.25
1
Brake Caliper Bolts
M10 x 1.25
Torque Specification
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
2
Brake Caliper Mounting Bracket Bolts
M12 x 1.5
Torque Specification
133 ft-lbs (180 N·m)
Important Notes
Estimated value based on common mounting bracket bolt sizes.
Brake System Disc/Drum and Hub
1 Brake Disc/Drum Retaining Bolts
M8 x 1.25
1
Brake Disc/Drum Retaining Bolts
M8 x 1.25
Torque Specification
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
1 Wheel Lug Nuts
Metric size varies by vehicle
1
Wheel Lug Nuts
Metric size varies by vehicle
Torque Specification
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
1 Brake Pedal Bolts
M8 x 1.25 (Estimated)
1
Brake Pedal Bolts
M8 x 1.25 (Estimated)
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated value. Verify specific bolt size.
Brake System Lines and Fittings
1 Brake Line Fittings (e.g., hard brake lines)
M6 x 1 (Estimated)
1
Brake Line Fittings (e.g., hard brake lines)
M6 x 1 (Estimated)
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value. Verify specific fitting size.
Brake System Master Cylinder
1 Brake Master Cylinder Bolts
M10 x 1.25 (Estimated)
1
Brake Master Cylinder Bolts
M10 x 1.25 (Estimated)
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value. Verify specific bolt size and consult the manufacturer's service manual.
Drivetrain
Torque specifications for Drivetrain
Drivetrain
Torque specifications for Drivetrain
Engine
1 Flywheel Bolts
M12 x 1.5
1
Flywheel Bolts
M12 x 1.5
Torque Specification
76 ft-lbs (103 N·m)
Transmission
1 Transmission Mounting Bolts
M10 x 1.25
1
Transmission Mounting Bolts
M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
2 Transmission Oil Pan Bolts
M8 x 1.25
2
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
106 in-lbs (12 N·m)
Important Notes
Note: The torque value is in in-lbs, not ft-lbs.
3 Transmission Crossmember Bolts
M14 x 1.5
3
Transmission Crossmember Bolts
M14 x 1.5
Torque Specification
70 ft-lbs (95 N·m)
Important Notes
Estimated value based on general industry standards.
Drivetrain
1 Drive Axle/Half Shaft Bolts
M14 x 1.5
1
Drive Axle/Half Shaft Bolts
M14 x 1.5
Torque Specification
118 ft-lbs (160 N·m)
2 CV Joint/Axle Nut
M18 x 1.5
2
CV Joint/Axle Nut
M18 x 1.5
Torque Specification
177 ft-lbs (240 N·m)
3 Propeller/Drive Shaft Bolts
M14 x 1.5
3
Propeller/Drive Shaft Bolts
M14 x 1.5
Torque Specification
118 ft-lbs (160 N·m)
4 Drive Axle/Half Shaft Nut (at the wheel hub)
M18 x 1.5
4
Drive Axle/Half Shaft Nut (at the wheel hub)
M18 x 1.5
Torque Specification
150 ft-lbs (203 N·m)
Important Notes
Estimated value based on general industry standards.
Differential
1 Differential Drain/Fill Plug
M12 x 1.5
1
Differential Drain/Fill Plug
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2 Differential Cover Bolts
M10 x 1.25
2
Differential Cover Bolts
M10 x 1.25
Torque Specification
30 ft-lbs (40 N·m)
Important Notes
Estimated value based on general industry standards.
Transfer Case
1 Transfer Case Drain/Fill Plug
M12 x 1.5
1
Transfer Case Drain/Fill Plug
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
2 Transfer Case Mounting Bolts
M12 x 1.5
2
Transfer Case Mounting Bolts
M12 x 1.5
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on general industry standards.
Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Battery System
1 Battery Terminal Nuts
M8 x 1.25
1
Battery Terminal Nuts
M8 x 1.25
Torque Specification
10 ft-lbs (13.6 N-m)
Important Notes
Estimated bolt size. Consult OEM for specific bolt size.
Ignition System
1 Ignition Coil Bolt
M6 x 1
1
Ignition Coil Bolt
M6 x 1
Torque Specification
6.7 ft-lbs (9 N-m)
Important Notes
Estimated value, consult OEM for specific bolt size and torque.
Alternator System
1 Alternator Mounting Bolts
M10 x 1.5
1
Alternator Mounting Bolts
M10 x 1.5
Torque Specification
37 ft-lbs (50 N-m)
Important Notes
Ensure alternator is properly aligned before tightening.
Wiring Harness Mounting
1 Wiring Harness to Body/Engine Mounting
M6 x 1
1
Wiring Harness to Body/Engine Mounting
M6 x 1
Torque Specification
12 ft-lbs (16.3 N-m)
Important Notes
Estimated value; torque range is dependent on wiring harness size and material. Consult OEM for specific wiring harness and location.
2 Specific Wiring Harness to Component Bolts
Variable
2
Specific Wiring Harness to Component Bolts
Variable
Important Notes
Variable torque required; consult OEM for specific component and wiring harness.
3 Electrical Connector Bolts
Variable
3
Electrical Connector Bolts
Variable
Important Notes
Variable torque required for different connector sizes and materials. Consult OEM for specific component and connector type.
Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
Torque specifications for Emissions_sensors
Exhaust System Components
1 O2 Sensor (Oxygen Sensor)
M8 x 1.25
1
O2 Sensor (Oxygen Sensor)
M8 x 1.25
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value. Consult the specific vehicle service manual for the correct torque specification based on sensor type and location. Ensure the sensor is properly seated in its housing.
2 Catalyst Converter Bolts
M10 x 1.5
2
Catalyst Converter Bolts
M10 x 1.5
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value. Consult the specific vehicle service manual for the correct torque specification based on converter type and location. Ensure the converter is properly seated.
3 Exhaust Manifold Bolts (to Cylinder Head)
M12 x 1.75
3
Exhaust Manifold Bolts (to Cylinder Head)
M12 x 1.75
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Consult the specific vehicle service manual for the correct torque specification.
Emissions Control Components
1 Emissions Control Valve Mounting Bolts (Generic)
M8 x 1.25
1
Emissions Control Valve Mounting Bolts (Generic)
M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value. Consult the specific vehicle service manual for the correct torque specification based on the valve type and location.
Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold and Header System
1 Exhaust Manifold/Headers to Cylinder Head Bolts
M12 x 1.5
1
Exhaust Manifold/Headers to Cylinder Head Bolts
M12 x 1.5
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on similar components and bolt sizes. Verify with the vehicle's service manual for an exact specification.
2 Exhaust Manifold/Headers to Engine Block Bolts
M10 x 1.25
2
Exhaust Manifold/Headers to Engine Block Bolts
M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on similar components and bolt sizes. Verify with the vehicle's service manual for an exact specification.
Exhaust Pipe and System Connections
1 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M10 x 1.25
1
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on similar components and bolt sizes. Verify with the vehicle's service manual for an exact specification.
2 Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.25
2
Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on similar components and bolt sizes. Verify with the vehicle's service manual for an exact specification.
3 Muffler to Exhaust Pipe Bolts
M10 x 1.25
3
Muffler to Exhaust Pipe Bolts
M10 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated value based on similar components and bolt sizes. Verify with the vehicle's service manual for an exact specification.
Exhaust Pipe Clamps
1 Exhaust Pipe Clamp Bolts
M8 x 1.25
1
Exhaust Pipe Clamp Bolts
M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Verify with the vehicle's service manual for an exact specification, as clamp type and pipe diameter affect the appropriate torque.
Fuel
Torque specifications for Fuel
Fuel
Torque specifications for Fuel
Fuel System Components
1 Fuel Rail Bolts
M8 x 1.25
1
Fuel Rail Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N-m)
Important Notes
Torque value estimated; consult vehicle-specific service manual for accurate specifications. Tightening sequence may be critical.
2 Fuel Injector Bolts
M6 x 1
2
Fuel Injector Bolts
M6 x 1
Torque Specification
6 ft-lbs (8 N-m)
Important Notes
Torque value estimated; consult vehicle-specific service manual for accurate specifications. Tightening sequence may be critical for proper injector seating.
3 Fuel Pump Mounting Bolts
M10 x 1.5
3
Fuel Pump Mounting Bolts
M10 x 1.5
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Ensure fuel pump is properly aligned before tightening.
4 Fuel Filter Bolt/Nut
M12 x 1.75
4
Fuel Filter Bolt/Nut
M12 x 1.75
Torque Specification
22 ft-lbs (30 N-m)
Important Notes
Ensure fuel filter is properly seated before tightening.
5 Fuel Tank Strap Bolts
M10 x 1.25
5
Fuel Tank Strap Bolts
M10 x 1.25
Torque Specification
33 ft-lbs (45 N-m)
Important Notes
Ensure fuel tank is properly supported by the straps.
6 Fuel Filler Neck Bolts
M8 x 1.25
6
Fuel Filler Neck Bolts
M8 x 1.25
Torque Specification
18 ft-lbs (25 N-m)
Important Notes
Ensure fuel filler neck is properly aligned before tightening.
Fuel Lines and Clamps
1 Fuel Line Clamps
Variable
1
Fuel Line Clamps
Variable
Important Notes
Consult manufacturer specifications for the appropriate clamp torque based on fuel line size and material. Ensure clamps are properly fitted.
Fuel Pump Strainer
1 Fuel Pump Strainer Bolts
Variable
1
Fuel Pump Strainer Bolts
Variable
Torque Specification
10 ft-lbs (14 N-m)
Important Notes
Torque value is estimated; consult vehicle specific service manual for accurate specifications. Ensure proper alignment before tightening.
Fuel Pressure Regulator
1 Fuel Pressure Regulator Bolts
Variable
1
Fuel Pressure Regulator Bolts
Variable
Torque Specification
12 ft-lbs (16 N-m)
Important Notes
Torque value estimated; consult vehicle-specific service manual for accurate specifications. Ensure proper alignment and seating before tightening.
Hvac
Torque specifications for Hvac
Hvac
Torque specifications for Hvac
HVAC Compressor System
1 Compressor Mounting Bolts
M8 x 1.25
1
Compressor Mounting Bolts
M8 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated torque for typical M8x1.25 mounting bolts. Verify specific bolt size and material for precise application.
2 Compressor Mounting Bolts
M10 x 1.5
2
Compressor Mounting Bolts
M10 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated torque for typical M10x1.5 mounting bolts. Verify specific bolt size and material for precise application.
HVAC Line Fittings
1 Copper Line Fittings (Flare)
1/4 inch pipe
1
Copper Line Fittings (Flare)
1/4 inch pipe
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Estimated torque for standard flare fittings. Consult manufacturer specifications for specific fitting types and sizes.
HVAC Condenser
1 Condenser Mounting Bolts
M10 x 1.25
1
Condenser Mounting Bolts
M10 x 1.25
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Estimated torque for typical M10x1.25 mounting bolts. Verify specific bolt size and material for precise application.
HVAC Evaporator
1 Evaporator Mounting Bolts
M6 x 0.75
1
Evaporator Mounting Bolts
M6 x 0.75
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated torque for typical M6x0.75 mounting bolts. Verify specific bolt size and material for precise application.
HVAC Blower Motor
1 Blower Motor Mounting Bolts
M8 x 1.25
1
Blower Motor Mounting Bolts
M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated torque for typical M8x1.25 mounting bolts. Verify specific bolt size and material for precise application.
HVAC Ducting Hoses
1 HVAC Ducting Clamps
1/4 inch pipe
1
HVAC Ducting Clamps
1/4 inch pipe
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated torque for typical 1/4 inch pipe clamps. Verify specific clamp type and size for precise application.
Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Strut And Shock Mounting
1 Strut/Shock Absorber Mounting Bolts
M12 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M12 x 1.5
Torque Specification
81 ft-lbs (110 N-m)
Important Notes
Estimated value based on similar components. Ensure proper lubrication and clean threads.
Control Arm Mounting
1 Control Arm Bolts
M14 x 2.0
1
Control Arm Bolts
M14 x 2.0
Torque Specification
81 ft-lbs (110 N-m)
Important Notes
Estimated value based on similar components. Verify bolt material and condition.
Ball Joint Connections
1 Ball Joint Nut
M16 x 2.5
1
Ball Joint Nut
M16 x 2.5
Torque Specification
41 ft-lbs (55 N-m)
Important Notes
Estimated value. Over-tightening can damage the ball joint.
Tie Rod End Connections
1 Tie Rod End Nut
M12 x 1.5
1
Tie Rod End Nut
M12 x 1.5
Torque Specification
22 ft-lbs (30 N-m)
Important Notes
Estimated value. Inadequate torque can lead to steering instability.
Sway Bar Link Connections
1 Sway Bar Link Nut
M10 x 1.25
1
Sway Bar Link Nut
M10 x 1.25
Torque Specification
37 ft-lbs (50 N-m)
Important Notes
Estimated value. Insufficient torque can affect vehicle handling.
Brake Caliper Mounting
1 Brake Caliper Bolts
M10 x 1.25
1
Brake Caliper Bolts
M10 x 1.25
Torque Specification
29 ft-lbs (39 N-m)
Important Notes
Estimated value. Insufficient torque can allow caliper movement.
2 Brake Caliper Mounting Bracket Bolts
M12 x 1.5
2
Brake Caliper Mounting Bracket Bolts
M12 x 1.5
Torque Specification
133 ft-lbs (180 N-m)
Important Notes
Estimated value. Insufficient torque can cause bracket movement.
Wheel Hub Mounting
1 Wheel Hub Bolts/Nuts
M14 x 2.0
1
Wheel Hub Bolts/Nuts
M14 x 2.0
Torque Specification
150 ft-lbs (200 N-m)
Important Notes
Estimated value. Consult the manufacturer's specifications for accurate torque values.
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
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
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 How do I find the correct torque specification for my specific 2010-2017 GMC Terrain?
Q1
How do I find the correct torque specification for my specific 2010-2017 GMC Terrain?
Refer to your vehicle's service manual or consult a certified mechanic. You can also use an online torque specification database specifically designed for GMC vehicles.
Q2 What IS the recommended torque range for lug nuts on a 2010-2017 GMC Terrain?
Q2
What IS the recommended torque range for lug nuts on a 2010-2017 GMC Terrain?
The recommended torque range for lug nuts on a 2010-2017 GMC Terrain IS between 100-140 ft-lbs. Always refer to your vehicle's service manual for specific torque specifications.
Q3 Can I use any torque wrench for my 2010-2017 GMC Terrain?
Q3
Can I use any torque wrench for my 2010-2017 GMC Terrain?
No, it IS important to use a torque wrench that IS calibrated to the specific torque range required for your vehicle. Using an improperly calibrated torque wrench can lead to over- or under-tightening of bolts, which can cause damage or safety hazards.
Q4 IS it okay to exceed the recommended torque specifications?
Q4
IS it okay to exceed the recommended torque specifications?
No, exceeding the recommended torque specifications can damage the bolts or components being tightened. Always follow the manufacturer's specifications to ensure proper tightening.
Q5 What are the signs of over-tightened bolts?
Q5
What are the signs of over-tightened bolts?
Signs of over-tightened bolts include stripped threads, bolt breakage, or damage to the surrounding components. If you suspect a bolt has been over-tightened, it IS important to have it inspected by a qualified mechanic.
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 terrain.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Service Procedures
Engine Cylinder Head Bolt Torque Sequence
Technical procedure for tightening cylinder head bolts on the terrain's engine.
- Tighten the bolts in the specified sequence and torque values.
- Use a new cylinder head gasket.
- Replace the valve cover and torque the bolts to 10 Nm.
Front Suspension Component Torque Specifications
Technical procedure for tightening front suspension components on the terrain.
- Tighten the control arm bolts to 115 Nm.
- Tighten the ball joint nuts to 68 Nm.
- Tighten the sway bar end links to 54 Nm.
- Tighten the strut bolts to 140 Nm.
Rear Suspension Component Torque Specifications
Technical procedure for tightening rear suspension components on the terrain.
- Tighten the lower control arm bolts to 162 Nm.
- Tighten the upper control arm bolts to 115 Nm.
- Tighten the toe link bolts to 115 Nm.
- Tighten the track bar bolts to 180 Nm.
Technical Service Bulletins
Technical Service Bulletin: Front Suspension Noise
2013-03-15This bulletin addresses a noise issue in the front suspension of the terrain.
2010-2014 terrain
Resolution: Replace the front strut mounts and torque the bolts to 23 Nm.
Technical Service Bulletin: Engine Oil Leak
2016-07-12This bulletin addresses an oil leak issue in the engine of the terrain.
2015-2017 terrain
Resolution: Replace the oil pan gasket and torque the bolts to 10 Nm.
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The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
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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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