Installation Procedure

NOTE: DO NOT apply thread sealant to the sensor threads. The sensor threads are coated at the factory. Applying additional sealant affects the sensors ability to detect detonation.

Fig 1: Removing/Installing Knock Sensor

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Fastener Caution .

Install and tighten the knock sensor (2).
Tighten: Tighten the sensor to 25 N.m (18 lb ft).

Fig 2: View Of Knock Sensor & Oil Pressure Sensor Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Connect the knock sensor electrical connector (2).
Lower the vehicle.