K 3500 Truck 4WD V8-6.0L VIN U (2002)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement
Removal Procedure
1. Remove the muffler.
2. Remove the transmission support.
3. Disconnect the connector position assurance (CPA) retainers.
4. Disconnect the oxygen sensor electrical connectors (1, 2).
5. Remove the clip around the engine harness and oxygen sensor pigtail.
6. Disconnect the CPA retainer.
7. Disconnect the oxygen sensor electrical connector.
8. Remove the exhaust pipe hanger bracket bolts.
9. Remove the nuts attaching the insulator to the bracket.
10. Remove the insulator from the bracket.
