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 G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1598 (ENGINE COOLING SYSTEM)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Fastener Tightening Specifications
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Air Cleaner Outlet Duct Clamp | 4 N.m | 35 lb in |
| Coolant Air Bleed Pipe Bolts | 12 N.m | 9 lb ft |
| Coolant Heater | 50 N.m | 37 lb ft |
| Coolant Heater Bolt | 2 N.m | 18 lb in |
| Coolant Heater Cord Bolt | 8 N.m | 71 lb in |
| Cooling Fan Motor Bolts | 10 N.m | 89 lb in |
| Cooling Fan Shroud Bolts | 9 N.m | 80 lb in |
| Differential Carrier Bolts | 100 N.m | 74 lb ft |
| Fan Clutch Bolts | 23 N.m | 17 lb ft |
| Fan Clutch | 56 N.m | 41 lb ft |
| Oil Cooler Hose Adapter Bolt | 12 N.m | 106 lb in |
| Oil Cooler Hose Bracket Bolt | 25 N.m | 18 lb ft |
| Oil Pan Skid Plate Bolts | 20 N.m | 15 lb ft |
| Radiator Bolt | 25 N.m | 18 lb ft |
| Surge Tank Bolt/Nut | 10 N.m | 89 lb in |
| Transmission Cooling Line Bolts | 4 N.m | 35 lb in |
| Water Pump | ||
|
15 N.m | 11 lb ft |
|
30 N.m | 22 lb ft |
| Water Pump (LU3) | 45 N.m | 33 lb ft |
| Water Pump (LMM) | 21 N.m | 15 lb ft |
| Water Pump Inlet Bolt | 15 N.m | 11 lb ft |
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.