Knock Sensor (KS) 1 Replacement

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. Turn OFF the ignition.
2. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
4. Disconnect the knock sensor wiring harness connector (1) from the knock sensor (2).




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

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.

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).

Tighten
Tighten the 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 System.