For 1990-2009 cars

### Removal Procedure

Caution: Refer to Battery Disconnect Caution in the Preface section.

1. Disconnect the negative battery cable.
2. Raise and suitably support the vehicle.
3. Disconnect electrical connector at the knock sensor (KS).
4. Remove the bolt and the KS.

### Installation Procedure

Notice: Refer to Fastener Notice in the Preface section.

1. Install the KS with the bolt.

Tighten
Tighten the KS bolt to 20 N·m (15 lb ft).

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