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

REMOVAL
1. Disconnect the battery ground cable.
2. Remove the lower intake manifold.







3. Disconnect the Knock Sensor (KS) electrical connectors.







4. Remove the bolts and the knock sensors.

INSTALLATION
1. To install, reverse the removal procedure.