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

Knock Sensor:






NOTE: The Knock Sensor (KS) is located on the RH side of the cylinder block.

REMOVAL
1. Disconnect battery ground cable.
2. Raise vehicle on hoist.
3. Disconnect engine control sensor wiring from knock sensor.
4. Remove heat shield boot from knock sensor.
5. Remove knock sensor from cylinder block.

INSTALLATION
1. Follow removal procedure in reverse order.
2. Tighten knock sensor to 15-20 N.m (11-14 Lb-Ft).
3. Install heat shield boot over knock sensor.