Silverado 1500 2WD V6-4.3L (2007)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement (4.3L)
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the oil pan skid plate bolts and skid plate, if equipped.
3. Remove the transmission crossmember.
4. Remove the right front connector position assurance (CPA) retainer.
5. Disconnect the right front heated oxygen sensor (HO2S) electrical connector (5) from the engine wiring harness electrical connector (4).
6. Remove the right rear CPA retainer.
7. Disconnect the engine wiring harness electrical connector (2) from the right rear HO2S electrical connector (1).
8. Remove the right rear HO2S electrical connector clip from the engine harness clip (3).
