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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 226 (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 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Coolant Air Bleed Pipe/Cover Bolt (LS4) | 12 N.m | 106 lb in |
| Coolant Heater (LS4) | 50 N.m | 37 lb ft |
| Coolant Heater Bolt (L26/L32) | 2 N.m | 18 lb in |
| Coolant Recovery Reservoir 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 | 10 N.m | 89 lb in |
| Radiator Upper Support Bracket Bolt | 10 N.m | 89 lb in |
| Water Outlet Housing Bolt (LS4) | 15 N.m | 11 lb ft |
| Water Outlet Housing Bolt/Stud (L26/L32) | 27 N.m | 20 lb ft |
| 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 (L26/L32) | 13 N.m | 115 lb in |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.