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)

Or, hide this message: temporarily or permanently

Knock Sensor: Service and Repair

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

INSTALL OR CONNECT
1. Knock sensor onto engine block. Be sure threads are clean.

^ Tighten sensor to 16-22 Nm (12-16 lb ft)

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