For 1990-2009 cars

### Removal Procedure

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
2. Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement.
3. Lower the vehicle.
4. Disconnect the engine wiring harness electrical connector (2) from the bank 2 knock sensor (3).
5. Loosen the knock sensor bolt and remove the knock sensor.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

1. Position the knock sensor and tighten the knock sensor bolt.

Tighten
Tighten the bolt to 23 N·m (17 lb ft).

2. Connect the engine wiring harness electrical connector (2) to the bank 2 knock sensor (3).
3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
4. Install a NEW engine oil filter. Refer to Engine Oil and Oil Filter Replacement.
5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.