Installation Procedure

Install the knock sensors.
Tighten: Tighten the sensors to 20 N.m (15 lb ft).

Fig 1: View Of Knock Sensors
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Component Fastener Tightening Notice .
Connect the knock sensor electrical connectors.

Fig 2: View Of Rubber Covers
Courtesy of GENERAL MOTORS CORP.
insure the rubber covers are securely in place.
Install the intake manifold. Refer to Intake Manifold Replacement .