Silverado SS AWD V8-6.0L VIN N (2003)
8. If equipped with a 6.0, or 8.1L engine, perform the following:
8.1.
Remove the clip around the engine harness and the oxygen sensor pigtail.
8.2.
Disconnect the Connector Position Assurance (CPA) retainer.
8.3.
Disconnect the oxygen sensor electrical connector.
8.4.
Remove the oxygen sensor.
9. If equipped with a 6.0, or 8.1L engine, remove the exhaust manifold pipe nuts.
10. Using the transmission jack, lower the transmission slightly.
11. If equipped with the 6.6L engine, remove the exhaust muffler nuts.
