Removal (5.3L)

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the intake manifold. See INTAKE MANIFOLD under AIR INDUCTION SYSTEMS. Clean area around Camshaft Position (CMP) sensor before removal to prevent debris from entering engine. CMP sensor is located at the top center rear of engine. See Fig 1.
Disconnect CMP sensor harness connector. Remove CMP sensor retaining bolt. See Fig 2. Remove CMP sensor.

Fig 1: Locating Camshaft Position Sensor & Engine Oil Pressure Sensor (5.3L)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Removing & Installing Camshaft Position Sensor (5.3L)

Courtesy of GENERAL MOTORS CORP.