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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Knock Sensor: Service and Repair






REMOVE OR DISCONNECT
1. Disconnect the negative battery cable.
2. Raise the vehicle.
3. Remove the knock sensor wiring harness connector from knock sensor.
4. Remove the knock sensor from engine block.

INSTALL OR CONNECT

NOTE: Do Not apply thread sealant to sensor threads. The sensor is coated at factory and applying additional sealant will affect the sensors ability to detect detonation.

1. Install the knock sensor into engine block.
2. Install the knock sensor wiring harness connector to the knock sensor.
3. Lower the vehicle.
4. Disconnect the negative battery cable.