C 3500 Truck 2WD V8-6.0L VIN U (2001)
16. If equipped with a 6.0L or 8.1L engine, perform the following:
^
Unclip the oxygen sensor connector from the support.
^
Disconnect the CPA retainer.
^
Disconnect the oxygen sensor electrical connector.
17. If equipped with a 6.0L engine, perform the following:
^
Unclip the oxygen sensor connector from the frame.
^
Disconnect the CPA retainer.
^
Disconnect the oxygen sensor electrical connector.
18. If equipped with a 6.0L or 8.1L engine, remove the exhaust muffler nuts.
19. Loosen the exhaust pipe clamp.
20. With the aid of an assistant, support the exhaust muffler.
