Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Service and Repair




REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in general information.
3. Disconnect the knock sensor wiring harness connector from knock sensor.
4. Remove the knock sensor from engine block.

INSTALLATION PROCEDURE

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.

NOTE: Refer to Fastener Notice in Cautions and Notices.

1. Install the knock sensor into engine block.

Tighten
Tighten the knock sensor to 19 N.m (14 lb ft).

2. Connect the knock sensor wiring harness connector to the knock sensor.
3. Lower the vehicle.
4. Reconnect the negative battery cable.