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:






REMOVE OR DISCONNECT
1. Negative battery cable.
2. Knock sensor wiring harness connector from knock sensor.
3. Knock sensor from engine block.

INSTALL OR CONNECT

NOTE: Do Not apply thread sealant to sensor threads. Sensor is coated at factory and applying additional sealant will affect the sensors ability to detect detonation.

1. Knock sensor into engine block. Be sure threads are clean.

Tighten
Sensor to 19 Nm (14 lb. ft.).

CAUTION: Overtorquing can damage knock sensor.

2. Knock sensor wiring harness connector to the knock sensor.
3. Negative battery cable.