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 MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 127 (ENGINE COOLING SYSTEM)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2008 Pontiac Grand Prix Base
Fastener Tightening Specifications
2008 Pontiac Grand Prix BaseSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| A/C Condenser Bracket Mounting Bolt | 6 N.m | 53 lb in |
| A/C Line Clip to Fan Shroud Screw | 4.5 N.m | 40 lb in |
| Coolant Heater Bolt | 2 N.m | 18 lb in |
| Coolant Inlet Pipe to Cylinder Head Bolt | 50 N.m | 37 lb ft |
| Coolant Inlet Pipe to Thermostat Housing Bolt | 10 N.m | 89 lb in |
| Coolant Recovery Reservoir Mounting Nut | 3.3 N.m | 29 lb in |
| Cooling Fan Blade Nut | 6 N.m | 53 lb in |
| Cooling Fan Motor Bolt | 6 N.m | 53 lb in |
| Cooling Fan Shroud Bolt to Radiator | 10 N.m | 89 lb in |
| Drive Belt Shield Bolt | 10 N.m | 89 lb in |
| Heater Pipe Bolt | 10 N.m | 89 lb in |
| Knock Sensor | 19 N.m | 14 lb ft |
| Thermostat Housing Bolt | 20 N.m | 15 lb ft |
| Upper Fan Shroud Bracket Mounting Bolt | 10 N.m | 89 lb in |
| Water Outlet Housing Bolt/Stud (3.8L) | 27 N.m | 20 lb ft |
| Water Pump Bolt | 10 N.m | 89 lb in |
| Water Pump Bolt (Long) 3.8L | 34 N.m | 25 lb ft |
| Water Pump Bolt (Short) 3.8L | 22 N.m | 16 lb ft |
| Water Pump Pulley Bolt (3.8L) | 13 N.m | 115 lb in |
| Water Pump Pulley Bolt (3.6L) | 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.