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.
2002 Pontiac Aztek FWDFACTORY OEM SERVICE PROCEDURE
Section 1446 (Engine Cooling System): Specifications
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. 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 Mounting Bolts | 6 N.m | 53 lb in |
| A/C Condenser Tube Clip Bolt | 2.5 N.m | 22 lb in |
| Coolant Heater Bolt | 2 N.m | 18 lb in |
| Cooling Fan Motor Screws | 6 N.m | 53 lb in |
| Cooling Fan Nut | 6 N.m | 53 lb in |
| Cooling Fan Shroud Bolts | 6 N.m | 53 lb in |
| Discharge Hose to Condenser Nut | 16 N.m | 12 lb ft |
| Evaporator Inlet Tube to Condenser Bolt | 16 N.m | 12 lb ft |
| Radiator Bracket Bolts | 24 N.m | 18 lb ft |
| Radiator Lower Air Deflector Bolts | 20 N.m | 15 lb ft |
| Radiator Upper Mount Bolts | 10 N.m | 89 lb in |
| Thermostat Bypass Pipe Bolt | 11 N.m | 98 lb in |
| Thermostat Bypass Pipe Nut | 25 N.m | 18 lb ft |
| Thermostat Housing Bolts | 25 N.m | 18 lb ft |
| Water Pump Bolts | 10 N.m | 89 lb in |
| Water Pump Pulley Bolts | 25 N.m | 18 lb ft |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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