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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Knock Sensor: Service and Repair

Knock Sensor Replacement:







REMOVE OR DISCONNECT
- Raise vehicle and support.
- Right front tire and wheel.
- Electrical connector at sensor.
- Sensor at engine block.


INSTALL OR CONNECT
- Sensor at engine block.
- Torque sensor to 19 N-m (14 lb. ft.).
- Electrical connector at sensor.
- Right front tire and wheel.
- Lower vehicle.