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)

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Knock Sensor (KS)

Knock Sensor Mounting:






REMOVE OR DISCONNECT
1. Negative battery cable.
2. Raise vehicle.
3. Starter motor.
4. Wiring harness connector from knock sensor.
5. Knock sensor from engine block.

INSTALL OR CONNECT
1. Knock sensor into engine block.
- Be sure threads are clean. Do not over tighten knock sensor. Over torquing could damage the sensor.

Tighten
Sensor to 19 Nm (14 lb. ft)

2. Wiring harness connector to the knock sensor.
3. Starter motor.
4. Lower vehicle.
5. Negative battery cable.