Avalanche 1500 2WD V8-5.3L VIN T (2002)
5. Remove the clip from around the engine harness and the oxygen sensor pigtail.
6. Disconnect the connector position assurance (CPA) retainers.
7. Disconnect the oxygen sensor electrical connectors.
8. Unclip the oxygen sensors electrical connectors from the following:
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Hose clip
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Transmission crossmember
9. Disconnect the CPA retainers.
10. Disconnect the oxygen sensor electrical connectors (1, 2).
11. Remove the left exhaust manifold pipe nuts.
