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

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

1. Install the KS.

Caution: Refer to Fastener Caution in the Preface section.

2. Install the KS bolt and tighten to 25 N·m (18 lb ft).
3. Connect the KS electrical connector (3).