For 1990-2009 cars

### Removal Procedure

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

1. Disconnect the negative battery cable.
2. Disconnect the throttle cable by opening the throttle and moving the cable through the release slot.
3. Disconnect the vacuum hose from the intake manifold tuning (IMT) valve actuator.

Note: Ensure the IMT valve flap is closed before removing the IMT valve.

4. Remove the IMT actuator and the IMT valve.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

1. Install the IMT valve and the IMT actuator and tighten.

• | The IMT valve retaining bolts to 12 N·m (106 lb in).

• | The IMT actuator retaining bolts to 12 N·m (106 lb in).

2. Connect the vacuum hose to the IMT actuator.
3. Connect the throttle cable.
4. Connect the negative battery cable.