pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Catalytic Converter|Service and Repair|Page 5079 > < M86/M94 Getrag Manual Transmission|Page 5074
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Catalytic Converter: Service and Repair

CATALYTIC CONVERTER

Removal Procedure 

1. Raise the vehicle.

2. Disconnect oxygen sensor wiring harness,
3. Support the three-way catalytic converter.
4. Remove the intermediate pipe from the three-way catalytic converter.

5. Remove the exhaust manifold pipe assembly from the exhaust manifold.
6. Remove the exhaust manifold seal and the three-way catalytic converter seal.
7. If replacing catalytic converter, remove oxygen sensor.
8. Clean the flange surfaces.

Installation Procedure 

1. Install the exhaust manifold seal and the three-way catalytic converter seal.
2. If removed oxygen sensor, install oxygen sensor.

Notice:  Refer to Fastener Notice in Service Precautions.

Catalytic Converter|Service and Repair|Page 5079 > < M86/M94 Getrag Manual Transmission|Page 5074