For 1990-2009 cars

### Removal Procedure

1. Disconnect the knock sensor (KS) electrical connector (3).
2. Remove the KS bolt.
3. Remove the KS.

### Installation Procedure

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

Notice: Refer to Fastener Notice 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 (3).