gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Left Bank Catalytic Convertor|Page 4580 > < Left Bank Catalytic Convertor|Page 4578
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Catalytic Converter: Service and Repair

Removal Procedure 

1. Raise and support the vehicle. Refer to Vehicle Lifting.

2. Remove the protective shields as necessary.
3. Disconnect the electrical connectors from the oxygen sensors.

4. Remove the right side exhaust manifold stud nuts (3).

5. Remove the left side exhaust manifold stud nuts.

Left Bank Catalytic Convertor|Page 4580 > < Left Bank Catalytic Convertor|Page 4578