C 1500 Truck 2WD V8-4.8L VIN V (2001)
12. Remove the exhaust muffler nuts.
13. Remove the catalytic converter.
14. If necessary, remove the oxygen sensors.
Installation Procedure
Notice: Refer to Exhaust System Clearance Notice in Service Precautions.
Notice: Refer to Fastener Notice in Service Precautions.
1. If necessary, install the oxygen sensors.
1.1.
Apply anti-seize compound GM P/N 12377953 or equivalent to the threads of the old oxygen sensors.
1.2.
Install the oxygen sensors.
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Tighten the oxygen sensors to 42 Nm (31 ft. lbs.).
2. Install the catalytic convertor.
