Removal & Installation (4.8L, 5.3L & 6.0L)

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Remove the intake manifold. See appropriate article in ENGINES. Gently pry up the knock sensor rubber covers. See Fig 1. Disconnect knock sensor harness connector(s). Remove knock sensors. See Fig 2. To install, reverse removal procedure. Tighten fasteners to specification. See TORQUE SPECIFICATIONS .

Fig 1: Disconnecting Knock Sensor Harness Connectors (4.8L, 5.3L & 6.0L)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Locating Knock Sensors (4.8L, 5.3L & 6.0L)

Courtesy of GENERAL MOTORS CORP.