Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Raise and support the vehicle. Refer toLifting and Jacking the Vehicle in General Information.
Drain the cooling system. Refer toDraining and Filling Cooling System in Engine Cooling.
Disconnect the knock sensor electrical connector (2).
Remove the knock sensor (1).

Fig 1: Removing KS Sensor (1)

Courtesy of GENERAL MOTORS CORP.