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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 881 (ENGINE COOLING SYSTEM)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Fastener Tightening Specifications
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Fastener Tightening Specifications
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Yukon, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, and 2001 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Air Cleaner Outlet Duct Clamp (4.3 L Engine) | 7 N.m | 62 lb in |
| Air Cleaner Outlet Duct Clamp Screw (4.8 L, 5.3 L, and 6.0 L Engines) | 7 N.m | 62 lb in |
| Air Cleaner Outlet Duct Clamp (6.6 L Engine) | 6 N.m | 53 lb in |
| Air Cleaner Outlet Duct Wingnut (4.3 L Engine) | 3 N.m | 27 lb in |
| Air Conditioning (A/C) Compressor Mounting Bolt (6.6 L Engine) | 50 N.m | 37 lb ft |
| Bypass Pipe to Water Pump Bolt (6.6 L Engine) | 21 N.m | 15 lb ft |
| Charged Air Cooler Duct Clamp (6.6 L Engine) | 6 N.m | 53 lb in |
| Coolant Air Bleed Pipe Stud/Bolt (4.8 L, 5.3 L, and 6.0 L Engines) | 12 N.m | 106 lb in |
| Cooling Fan Pulley/Nut (6.6 L Engine) | 41 N.m | 30 lb ft |
| Coolant Heater Bolt (6.6 L Engine) | 2 N.m | 18 lb in |
| Coolant Heater Cord Bolt | 8 N.m | 71 lb in |
| Coolant Heater Bolt (4.3 L Engine) | 2 N.m | 18 lb in |
| Coolant Heater (4.8 L, 5.3 L, 6.0 L) | 50 N.m | 37 lb ft |
| Coolant Outlet Studs (4.3 L Engine) | 19 N.m | 14 lb ft |
| Engine Block Coolant Drain Plug (4.3 L Engine) | 20 N.m | 15 lb ft |
| Engine Block Coolant Drain Plug (4.8 L, 5.3 L, 6.0 L, and 8.1 L Engines) | 60 N.m | 44 lb ft |
| Engine Block Coolant Drain Plug (6.6 L Engine) | 18 N.m | 13 lb ft |
| Engine Block Heater (8.1 L Engine) | 60 N.m | 40 lb ft) |
| Engine Coolant Temperature Sensor (6.6 L Engine) | 33 N.m | 24 lb ft |
| Engine Sight Shield Bolt | 20 N.m | 15 lb ft |
| Fan Clutch Bolt | 23 N.m | 17 lb ft |
| Fan Clutch Nut | 56 N.m | 41 lb ft |
| Fan Shroud Bolt | 9 N.m | 80 lb in |
| Fan and Water Pump Pulley Bolt (4.3 L Engine) | 25 N.m | 18 lb ft |
| Fuel Line Bracket Bolt (6.6 L Engine) | 21 N.m | 15 lb ft |
| Generator Bracket Bolt/Nut (8.1 L Engine) | 50 N.m | 37 lb ft |
| Generator Bracket Stud (8.1 L Engine) | 20 N.m | 15 lb ft |
| Generator Mounting Bracket Bolt (6.6 L Engine) | 50 N.m | 37 lb ft |
| Generator Positive Cable Nut (6.6 L Engine) | 9 N.m | 80 lb in |
| Heater Pipe Bolt (6.6 L Engine) | 21 N.m | 15 lb ft |
| Heater Pipe Bracket Bolt (6.6 L Engine) | 21 N.m | 15 lb ft |
| Idler Pulley Bolt (6.6 L Engine) | 43 N.m | 32 lb ft |
| Junction Block Bracket Bolt (6.6 L Engine) | 9 N.m | 80 lb in |
| Oil Cooler Hose Adapter Bolt (6.0 L Engine) | 12 N.m | 106 lb in |
| Oil Cooler Hose Bracket Bolt (6.0 L Engine) | 25 N.m | 18 lb ft |
| Oil Cooler Pipe Clip Bolt (8.1 L Engine) | 50 N.m | 37 lb ft |
| Positive Crankcase Ventilation (PCV) Oil Separator Bracket Nut (6.6 L Engine) | 25 N.m | 18 lb ft |
| Power Steering Pump Mounting Bracket Bolt (6.6 L Engine) | 46 N.m | 34 lb ft |
| Radiator Bolt | 25 N.m | 18 lb ft |
| Surge Tank Bolt/Nut | 9 N.m | 80 lb in |
| Thermostat Cover Bolt (6.6 L Engine) | 21 N.m | 15 lb ft |
| Thermostat Housing Bolt (4.8 L, 5.3 L, and 6.0 L Engines) | 15 N.m | 11 lb ft |
| Thermostat Housing Bolt (8.1 L Engine) | 37 N.m | 27 lb ft |
| Thermostat Housing Crossover Bolt (6.6 L Engine) | 21 N.m | 15 lb ft |
| Transmission Control Module (TCM) Cover Bolt | 9 N.m | 80 lb in |
| Transmission Control Module (TCM) Electrical Connector Bolt | 8 N.m | 71 lb in |
| Turbocharger Coolant Bypass Valve (6.6 L Engine) | 60 N.m | 44 lb ft |
| Turbocharger Outlet Coolant Pipe Bracket Bolt (6.6 L Engine) | 21 N.m | 15 lb ft |
| Turbocharger Outlet Coolant Pipe Nut (6.6 L Engine) | 9 N.m | 80 lb in |
| Upper Intake Manifold Sight Shield Bolt (6.6 L Engine) | 9 N.m | 80 lb in |
| Water Crossover Bolt (8.1 L Engine) | 50 N.m | 37 lb ft |
| Water Outlet Bolt (8.1 L Engine) | 30 N.m | 22 lb ft |
| Water Outlet Tube to Water Outlet Bolt (6.6 L Engine) | 25 N.m | 18 lb ft |
| Water Outlet Tube to Valve Rocker Arm Cover Bolt (6.6 L Engine) | 21 N.m | 15 lb ft |
| Water Pump Bolt (4.3 L Engine) | 45 N.m | 33 lb ft |
| Water Pump Bolt (6.6 L Engine) | 21 N.m | 16 lb ft |
| Water Pump Bolt (8.1 L Engine) | 50 N.m | 37 lb ft |
| Water Pump Pulley Bolt (First Pass) (4.8 L, 5.3 L, and 6.0 L Engines) | 10 N.m | 89 lb in |
| Water Pump Pulley Bolt (Final Pass) (4.8 L, 5.3 L, and 6.0 L Engines) | 25 N.m | 18 lb ft |
| Water Pump to Water Pump Housing Bolt (6.6 L Engine) | 21 N.m | 15 lb ft |
| Water Pump to Water Pump Outlet Pipe Nuts (6.6 L Engine) | 21 N.m | 15 lb ft |
| Wiring Harness Bracket Bolt (6.6 L Engine) | 8 N.m | 71 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.