Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Service and Repair

Knock Sensor (KS):






REMOVAL
1. Disconnect negative battery cable.
2. Raise vehicle.
3. Disconnect wiring harness connector from knock sensor.
4. Remove knock sensor from engine block.

INSTALLATION
1. Install knock sensor into engine block. Be sure threads are clean. Tighten to 19 Nm (14 ft lb). Do not over tighten knock sensor. Over torquing could damage the sensor.

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