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.
2005 Chevrolet Aveo LS, 4D Sedan, StandardFACTORY OEM SERVICE PROCEDURE
Fastener Tightening Specifications
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Catalytic Converter-to-Exhaust Manifold Nuts | 50 N.m | 37 lb ft |
| Connecting Pipe-to-Catalytic Converter Nuts | 40 N.m | 30 lb ft |
| Exhaust Manifold Cover Bolts | 15 N.m | 11 lb ft |
| Front Muffler-to-Connecting Pipe Nuts | 30 N.m | 22 lb ft |
| Front Muffler-to-Rear Muffler Nuts | 30 N.m | 22 lb ft |
| Post-Converter Heated Oxygen Sensor | 41 N.m | 30 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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