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
If it fails: lemon-manuals.org.ua

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Knock Sensor: Service and Repair

1. Disconnect negative battery ground.
2. Remove the engine air cleaner.
4. Disconnect Knock Sensor (KS) electrical connector.
5. Remove sensor from the engine.
6. To install, reverse the removal procedure.