Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Service and Repair

To replace the knock sensor

Tools: Long extension with 3/8" drive
13 mm socket
Ratchet handle
Torque spanner





To remove

1 Unplug the connector.

2 Remove the knock sensor mounting bolt.

3 Remove the sensor from the engine block.

To refit

1 Clean the thread of the bolt and the contact surface on the engine block.

2 Fit the knock sensor.

3 Tighten the knock sensor bolt to a torque of 13 Nm (9.6 lbf ft).

4 Plug in the connector.