Removal Procedure

Fig 1: Disconnecting The Knock Sensor Electrical Connector

GM1608498

Courtesy of GENERAL MOTORS CORP.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Disconnect the left knock sensor electrical connector (2), if required.

Fig 2: Disconnecting The Knock Sensor Electrical Connector

GM1612884

Courtesy of GENERAL MOTORS CORP.

Disconnect the right knock sensor (1) electrical connector, if required.

Fig 3: Loosening And Remove The Knock Sensor

GM1587771

Courtesy of GENERAL MOTORS CORP.

Loosen and remove the knock sensor.