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 MANUALSPONTIAC2004VIBE AWD L4-1.8L VIN 8REPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTEXHAUST SYSTEMMUFFLERSERVICE AND REPAIR
2004 Pontiac Vibe AWD L4-1.8L VIN 8
Muffler: Service and Repair
2004 Pontiac Vibe AWD L4-1.8L VIN 8SECTION Service and Repair
Muffler Replacement
Removal Procedure
1. Raise the vehicle. Support the vehicle. Refer to Vehicle Lifting.
2. Remove the bolt and clamp from the Three-Way Catalytic Converter (TWC) (3) assembly:
3. Remove the hangers from the muffler.
4. Remove the muffler/tail pipe assembly from the vehicle.
5. Clean the seal mating surfaces.
Installation Procedure
Notice: Refer to Fastener Notice in Service Precautions.
1. Install the muffler/tail pipe assembly, with a new gasket, to the vehicle.
2. Install the hangers to the muffler.
3. Install the bolt and clamp to the Three-Way Catalytic Converter (TWC) (3) assembly:
^ Tighten the clamp bolt to 32 Nm (24 ft. lbs.).
4. Lower the vehicle.
Removal Procedure
1. Raise the vehicle. Support the vehicle. Refer to Vehicle Lifting.
2. Remove the bolt and clamp from the Three-Way Catalytic Converter (TWC) (3) assembly:
3. Remove the hangers from the muffler.
4. Remove the muffler/tail pipe assembly from the vehicle.
5. Clean the seal mating surfaces.
Installation Procedure
Notice: Refer to Fastener Notice in Service Precautions.
1. Install the muffler/tail pipe assembly, with a new gasket, to the vehicle.
2. Install the hangers to the muffler.
3. Install the bolt and clamp to the Three-Way Catalytic Converter (TWC) (3) assembly:
^ Tighten the clamp bolt to 32 Nm (24 ft. lbs.).
4. Lower the vehicle.
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.