For 1990-2009 cars

### Removal Procedure

1. Open hood.
2. Remove the engine cover. Refer to Engine Cover Replacement.

Note: Mark the positions from the vacuum hoses for installation position.

3. Remove the 2 vacuum hoses from the vacuum modulator (3).
4. Disconnect the wiring harness plug from the vacuum modulator.
5. Remove the 2 vacuum modulator bolts (2).
6. Remove the vacuum modulator (3).

### Installation Procedure

1. Install the vacuum modulator (3).

Caution: Refer to Fastener Caution in the Preface section.

2. Install the 2 vacuum modulator bolts (2) and tighten to 7 N·m (62 lb in).
3. Install the 2 vacuum hoses to the vacuum modulator (3).
4. Connect the wiring harness plug to the vacuum modulator.
5. Install the engine cover. Refer to Engine Cover Replacement.
6. Close hood.