Installation Procedure

Fig 1: Installing And Tightening The Knock Sensor

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

IMPORTANT: 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.

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

Fig 2: Connecting The Knock Sensor Electrical Connector

Courtesy of GENERAL MOTORS CORP.

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

Fig 3: Connecting The Knock Sensor Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Connect the left knock sensor electrical connector (2), if required.
Lower the vehicle.