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 Replacement (Bank 1)



Knock Sensor Replacement (Bank 1)

Removal Procedure






Caution: Refer to Vehicle Lifting Caution.

1. Raise the vehicle. Refer to Vehicle Lifting.
2. Disconnect the knock sensor electrical connector (3).
3. Remove the knock sensor mounting bolt (1).
4. Remove the knock sensor (2).

Installation Procedure




1. Position the knock sensor (2) to the engine block.

Notice: Refer to Fastener Notice.

2. Install the knock sensor mounting bolt (1).

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

3. Connect the knock sensor electrical connector (3).
4. Lower the vehicle.