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.
2004 Pontiac Aztek Base, FWDFACTORY OEM SERVICE PROCEDURE
Fastener Tightening Specifications
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Catalytic Converter Bolt (All) | 45 N.m | 33 lb ft |
| Catalytic Converter Hanger Bolt (All) | 45 N.m | 33 lb ft |
| Catalytic Converter Nut (All) | 34 N.m | 25 lb ft |
| Exhaust Crossover Pipe Bolt (LY7) | 34 N.m | 25 lb ft |
| Exhaust Crossover Pipe Heat Shield Bolt (LA1) | 10 N.m | 89 lb in |
| Exhaust Crossover Pipe Nut (LY7) | 34 N.m | 25 lb ft |
| Exhaust Crossover Pipe Stud/Nut (LA1) | 25 N.m | 18 lb ft |
| Exhaust Manifold Bolt (LY7) | 20 N.m | 15 lb ft |
| Exhaust Manifold Heat Shield Bolt (All) | 10 N.m | 89 lb in |
| Exhaust Manifold Nut (LA1) | 16 N.m | 12 lb ft |
| Exhaust Manifold Stud (LY7) | 6 N.m | 53 lb in |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.