1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Disconnect the knock sensor (KS) electrical connector (6).



3. Remove the KS bolt.
4. Remove the KS.

Note: Rotate the pigtail 90 degrees from vertical before securing the fastener.

Caution: Refer to Fastener Caution in the Preface section.




1. Install the KS.
2. Install the KS bolt.

Tighten
Tighten the bolt to 25 N·m (18 lb ft).




3. Connect the KS electrical connector (6).
4. Lower the vehicle.