Knock Sensor: Service and Repair

CAUTION: Hot engine coolant may cause severe burns. Although the cooling system has been drained, coolant still remains in the engine water jacket. This coolant will drain with the removal of the knock sensor.

REMOVAL PROCEDURE
1. Turn OFF the ignition.
2. Raise the vehicle.
3. Disconnect the knock sensor wiring harness connector from the knock sensor.
4. Remove the knock sensor from the 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 Service Precautions.

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.