Knock Sensor: Service and Repair

REMOVE OR DISCONNECT
- Negative battery cable.
- Drain cooling system.

NOTE On knock sensors which are mounted in the end of the cylinder head draining the cooling system will not be necessary.

- Wiring harness connector from knock sensor.
- Knock sensor.

INSTALL OR CONNECT
- Knock sensor. If reinstalling original sensor, apply water base caulk to sensor threads. Do NOT use silicone tape as this will insulate sensor from engine.
^ Tighten to 19 Nm (14 lb. ft.).
- Wiring harness connector to knock sensor.
- Refill cooling system and pressure test for leaks.
- Negative battery cable.