Installation Procedure

Fig 1: Removing/Installing Knock Sensor

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: DO NOT apply thread sealant to the sensor threads. The sensor is coated at the factory and applying additional sealant will affect the sensor's ability to detect detonation.

Install the knock sensor (2) into the engine block (1).
Tighten: Knock sensor to 19 N.m (14 lb ft).

Fig 2: Disconnecting/Reconnecting Knock Sensor

Courtesy of GENERAL MOTORS CORP.

Connect the electrical connector (2) to the knock sensor (1).
Lower the vehicle.
Fill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.