For 1990-2009 cars

### Removal Procedure

1. Remove the intake manifold. Refer to Intake Manifold Replacement.
2. Disconnect the knock sensor (KS) electrical connector (2).
3. Remove the KS bolt.
4. Remove the KS (1).

### Installation Procedure

1. Thoroughly clean the mating surfaces of the KS and the engine block. The entire contact surface of the KS must lie directly on the engine block.

Caution: Refer to Fastener Caution in the Preface section.

Note: DO NOT use washers, spring washers, or toothed washers when installing the knock sensor. Tighten the bolt to the proper torque.

2. Install the KS (1) and bolt. Tighten to 20 N·m (15 lb ft).

Note: The KS wiring harness is held in place with several retaining clips.

3. Ensure that the wiring harness is installed correctly.
4. Connect the KS electrical connector (2).
5. Install the intake manifold. Refer to Intake Manifold Replacement.