Installation Procedure

NOTE: Refer to Fastener Notice in Cautions and Notices.

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

Fig 1: View Of Knock Sensor (KS)

Courtesy of GENERAL MOTORS CORP.

Install the KS into engine block.
Tighten: Tighten the KS to 31 N.m (23 lb ft).
Connect the KS wiring harness connector to the knock sensor.
Install the lower left intake manifold. Refer to Intake Manifold Spacer Replacement and Intake Manifold Replacement - Lower Left in Engine Mechanical - 3.5L (L66).