Knock Sensor Replacement - Bank 1

REMOVAL PROCEDURE





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.

1. Disconnect the negative battery cable.

CAUTION:
^ Refer to Battery Disconnect Caution in Service Precautions.
^ Refer to Hoist Caution in Service Precautions.

Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling and Radiator.
Raise the vehicle.
2. Disconnect the knock sensor wiring harness connector from the knock sensor.




3. Remove the knock sensor (2) from the engine block (1).

INSTALLATION PROCEDURE





IMPORTANT: Do Not apply thread sealant to sensor threads. The sensor is coated at factory and applying additional sealant will affect the sensor's ability to detect detonation.

1. Install the knock sensor (2) into the engine block (1).

NOTE: Refer to Fastener Notice in Service Precautions.

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




2. Connect the knock sensor electrical connector (2) to the knock sensor (1).
3. Lower the vehicle.
4. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling and Radiator.
5. Connect the negative battery cable.