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: Service and Repair

Removal Procedure

1. Disconnect the negative battery cable.
2. Raise and suitably support the vehicle.
3. Disconnect electrical connector at the knock sensor.

4. Remove the bolt and the knock sensor.

Installation Procedure

1. Install the knock sensor with the bolt.

Tighten
Tighten the knock sensor bolt to 15 lb-ft (20 N.m).

2. Connect the electrical connector at the knock sensor.
3. Lower the vehicle.
4. Connect the negative battery cable.