Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 16 (FRAME AND UNDERBODY)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Fastener Tightening Specifications
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Fastener Tightening Specifications
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Assist Step Bracket Bolt | 25 N.m | 18 lb ft |
| Assist Step Bracket Nuts | 9 N.m | 80 lb in |
| Assist Step Controller Bolts | 10 N.m | 89 lb in |
| Body Mounting Bolt | 100 N.m | 74 lb ft |
| Engine Front Crossmember Nut | 120 N.m | 89 lb ft |
| Engine Protection Shield to Frame Rail Bolts | 20 N.m | 15 lb ft |
| Intermediate Cable Nut | 4 N.m | 30 lb in |
| Master Cylinder Mounting Nuts | 36 N.m | 27 lb ft |
| Spare Wheel Hoist Crossmember to Frame Crossmember Bolts | 50 N.m | 37 lb ft |
| Spare Wheel Hoist Crossmember to Frame Rail Bolts | 70 N.m | 52 lb ft |
| Tow Hook to Frame Rail Bolts | 85 N.m | 63 lb ft |
| Trailer Hitch to Frame Bolts | 125 N.m | 92 lb ft |
| Transmission Crossmember Nut | 97 N.m | 70 lb ft |
| Transmission Mount to Crossmember Nuts | 40 N.m | 30 lb ft |
| Wheelhouse Liner Screws | 3 N.m | 27 lb in |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.