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 1807 (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 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Auxiliary Electric Cooling Fan to Condenser Bolts | 5.4 N.m | 48 lb in |
| Charge Air Cooler Fill Neck Nuts - LC3 | 9 N.m | 80 lb in |
| Charge Air Cooler Overflow Reservoir Nut - LC3 | 9 N.m | 80 lb in |
| Charge Air Cooler Pipe Assembly to Condenser Mounting Bracket - LC3 | 5.4 N.m | 48 lb in |
| Charge Air Cooler Pipe Assembly to Fan Shroud Bolts - LC3 | 5.4 N.m | 48 lb in |
| Charge Air Cooler Pump Mounting Bracket Nuts - LC3 | 16 N.m | 12 lb ft |
| Charge Air Cooler Pump Mounting Nuts - LC3 | 16 N.m | 12 lb ft |
| Charge Air Cooler Radiator Mounting Bracket to Condenser Bolt - LC3 | 5.4 N.m | 48 lb in |
| Charge Air Cooler Radiator to Mounting Bracket Bolt - LC3 | 5.4 N.m | 48 lb in |
| Condenser Bracket Mounting Bolts | 5.4 N.m | 48 lb in |
| Condenser Mounting Bracket to Radiator Bolts | 5.4 N.m | 48 lb in |
| Coolant Air Bleed Pipe/Cover Bolt - LS4 | 12 N.m | 106 lb in |
| Coolant Heater - LS4 | 50 N.m | 37 lb ft |
| Coolant Pipe to Cylinder Head Bolt - LY7 | 50 N.m | 37 lb ft |
| Coolant Pipe to Thermostat Bolt - LY7 | 10 N.m | 89 lb in |
| Cooling Fan Adapter Bolt | 24 N.m | 18 lb ft |
| Electric Cooling Fan Blade Nut | 6.3 N.m | 56 lb in |
| Electric Cooling Fan Motor Screws | 3.9 N.m | 35 lb in |
| Electric Cooling Fan Shroud Bolts | 5.4 N.m | 48 lb in |
| Engine Control Module (ECM) Nut | 8 N.m | 71 lb in |
| Engine Driven Fan to Crankshaft Adapter Shaft | 101 N.m | 75 lb ft |
| Electric Cooling Fan Resistor Bolt - LH2 W/O V92, LLT | 5.4 N.m | 48 lb in |
| Engine Driven Fan to Fan Clutch Bolts | 24 N.m | 18 lb ft |
| EOC Line to Fan Shroud Mounting Bolts | 5.4 N.m | 48 lb in |
| EOC Quick Connect Fittings to Engine | 35 N.m | 26 lb ft |
| EOC/TOC Cooler Quick Connect Fittings - LC3 | 15 N.m | 11 lb ft |
| EOC/TOC Cooler to Radiator Mounting Bolts - LC3 | 5.4 N.m | 48 lb in |
| Evaporative Emission (EVAP) Canister Purge Solenoid Valve Bolt | 12 N.m | 106 lb in |
| Heater Hose Inlet Fitting | 20 N.m | 15 lb ft |
| Manifold Inlet Duct Clamp | 6 N.m | 53 lb in |
| Radiator Outlet Hose Bracket Bolt | 25 N.m | 18 lb ft |
| Radiator Support Bracket Bolts | 9 N.m | 80 lb in |
| Remote Power Steering Cooler Line to Cooling Fan Shroud Belts | 5.4 N.m | 48 lb in |
| Surge Tank Bolt | 9 N.m | 80 lb in |
| Surge Tank Inlet Hose Fitting | 18 N.m | 13 lb ft |
| Surge Tank Nut | 9 N.m | 80 lb in |
| Surge Tank Outlet Hose to Engine Bolt - LY7 | 50 N.m | 37 lb ft |
| Surge Tank Outlet Pipe Bracket Nut | 9 N.m | 80 lb in |
| Surge Tank Outlet Pipe Bracket Nut - LH2 | 9 N.m | 80 lb in |
| Thermostat Bolt - LY7 | 10 N.m | 89 lb in |
| Thermostat Housing Bolt - LH2, LC3 | 10 N.m | 89 lb in |
| Thermostat Housing Bolt - LY7 | 20 N.m | 15 lb ft |
| TOC Line to Fan Shroud Mounting Bolt | 5.4 N.m | 48 lb in |
| Transmission Oil Cooler (TOC) Bolt | 5.4 N.m | 48 lb in |
| Transmission Oil Cooler Line to Cooling Fan Shroud Bolt | 5.4 N.m | 48 lb in |
| Water Outlet Housing Bolt - LH2, LC3 | 25 N.m | 18 lb ft |
| Water Outlet Housing Bolt - LS4 | 15 N.m | 11 lb ft |
| Water Outlet Housing Bolt - LY7 | 10 N.m | 89 lb in |
| Water Pump Bolt | 10 N.m | 89 lb in |
| Water Pump Bolt - LS4 | 12 N.m | 106 lb in |
| Water Pump Bolt - Long L26/L32 | 34 N.m | 25 lb ft |
| Water Pump Bolt - Short L26/L32 | 22 N.m | 16 lb ft |
| Water Pump Manifold Bolt - LS4 | ||
|
15 N.m | 11 lb ft |
|
30 N.m | 22 lb ft |
| Water Pump Pulley Bolt | 12 N.m | 106 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.