Installation Procedure

CAUTION: Refer to Fastener Caution .

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.

Install and tighten the knock sensor (1).
Tighten: Tighten the sensor to 25 N.m (18 lb ft).

Fig 2: Identifying Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Connect the knock sensor electrical connector (1).
Install the catalytic converter. Refer to Catalytic Converter Replacement (With LZE, NU6 and PZEV) .
Lower the vehicle.