Knock Sensor: Service and Repair

REMOVE/DISCONNECT
- Negative battery cable.
- Drain cooling system.
- Raise vehicle.
- Wiring harness connector from knock sensor.
- Knock sensor.

INSTALL/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.
- Lower vehicle.
- Refill cooling system and pressure test for leaks.
- Negative battery cable.