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 115 (ENGINE COOLING SYSTEM)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 is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Condenser Bolt | 6 N.m | 53 lb in |
| Coolant Crossover Pipe Bolt (LZ4) | 50 N.m | 37 lb ft |
| Coolant Heater (LZ4) | 60 N.m | 44 lb ft |
| Coolant Heater Bolt (L61) | 10 N.m | 89 lb in |
| Engine Coolant Temperature (ECT) Sensor (L61) | 20 N.m | 15 lb ft |
| Exhaust Heat Shield Bolt (L61) | 22 N.m | 17 lb ft |
| Fuel Feed Pipe Bracket Bolt (L61) | 10 N.m | 89 lb in |
| Lower Radiator Support Bracket Bolt | 60 N.m | 44 lb ft |
| Radiator Surge Tank Pipe Bolt (LZ4) | 10 N.m | 89 lb in |
| Radiator Surge Tank-To-Body Nuts | 6 N.m | 53 lb in |
| Thermostat Housing Bolt (L61) | 10 N.m | 89 lb in |
| Thermostat Housing Bolt/Stud (LZ4) | 25 N.m | 18 lb ft |
| Thermostat Housing Cover Bolt (L61) | 10 N.m | 89 lb in |
| Transmission Oil Cooler Line to Transaxle Nut | 7 N.m | 62 lb in |
| Upper Radiator Support Bracket Bolt | 10 N.m | 89 lb in |
| Water Pump Access Plate Bolt (L61) | 10 N.m | 89 lb in |
| Water Pump Bolt (L61) | 25 N.m | 18 lb ft |
| Water Pump Bolt (LZ4) | 10 N.m | 89 lb in |
| Water Pump Drain Plug (L61) | 20 N.m | 15 lb ft |
| Water Pump Pulley Bolt (LZ4) | 25 N.m | 18 lb ft |
| Water Pump Sprocket Bolt (L61) | 10 N.m | 10 N.m |
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.