Knock Sensor: Service and Repair

1. To remove and install the knock sensors, unbolt the intake rail from the engine. The coolant hoses remain connected. The intake rail remains in the engine compartment.

2. Undo and take out knock sensors.

4. Disconnect connector.

3. Reinstall with a new genuine M 8x30 bolt (micro-sealed) without washer.


Tightening torque 20 Nm (15 ftlb.)



Note: Handle the knock sensor very carefully. The knock sensor must never drop to the ground from greater heights as this may damage the piezocrystal.