Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Knock Sensor: Service and Repair



Knock Sensor Replacement

Removal Procedure




1. Remove the intake manifold.
2. Disconnect the electrical connector (3) from the right knock sensor, if required.




3. Disconnect the electrical connector (2) from the left knock sensor, if required.




4. Remove the appropriate knock sensor. Cylinder heads shown removed for clarity.

Installation Procedure






Notice: Refer to Fastener Notice.

1. Install the appropriate knock sensor.

Tighten the sensor to 25 N.m (18 lb ft).




2. Connect the electrical connector (2) to the left knock sensor, if required.




3. Connect the electrical connector (3) to the right knock sensor, if required.
4. Install the intake manifold.