C 2500 Suburban 2WD V8-8.1L VIN G (2001)
16. If equipped with a 6.0L or 8.1L engine, perform the following:
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Unclip the oxygen sensor connector from the support.
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Disconnect the CPA retainer.
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Disconnect the oxygen sensor electrical connector.
17. If equipped with a 6.0L engine, perform the following:
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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.