Installation Procedure

Fig 1: Identifying Knock Sensor (KS)

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

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

Install the knock sensor.
Tighten: Tighten the sensor to 18 N.m (13 lb ft).

Fig 2: Identifying Knock Sensor Wiring Harness & Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Connect the knock sensor wiring harness electrical connector to the knock sensor.

Fig 3: View Of Knock Sensor 2 Heat Shield Bolts & Shield

Courtesy of GENERAL MOTORS CORP.

Install the knock sensor heat shield and bolts.
Tighten: Tighten the bolts to 60 N.m (44 lb ft).
Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (Vac-N-Fill) .