Removal (8.1L)

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Raise and support vehicle. Remove steering linkage shield bolts and steering linkage shield (if equipped). Disconnect CMP sensor harness connector. See Fig 1.
Remove CMP sensor retaining bolt. Remove CMP sensor. If CMP sensor is not being replaced, inspect CMP sensor for wear, cracks or leakage. Inspect CMP sensor "O" ring for wear or damage. Replace as necessary.

Fig 1: Locating Camshaft Position Sensor & Bank No. 1 Knock Sensor (8.1L)

Courtesy of GENERAL MOTORS CORP.