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 MANUALSCHEVROLET2003VENTURE BASE, VAN CARGO EXTENDEDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALENGINE EXHAUST SYSTEMREPAIR INSTRUCTIONSMUFFLER REPLACEMENTREMOVAL PROCEDURE
2003 Chevrolet Venture Base, Van Cargo Extended
Removal Procedure
2003 Chevrolet Venture Base, Van Cargo ExtendedSECTION Removal Procedure
The muffler is serviced as one piece from the catalytic converter to the tail pipe.
- Raise and support the vehicle. Refer to JACKING AND LIFTING
in General Information.NOTE: To prevent internal damage to flexible coupling of the catalytic converter assembly, the converter must be supported. The vertical movement at the rear of the catalytic converter assembly must not exceed 6 degrees up or down.
- Use a utility stand in order to support the catalytic converter.
- Remove the catalytic converter bolts.
- Remove the catalytic converter gasket.
- Remove the exhaust hanger insulators from the exhaust pipes.
- Support and lower the rear crossmember.
- Remove the muffler and exhaust pipes towards the front of the vehicle and over the rear axle.
- Clean the catalytic converter flange and the muffler flange.
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.