For 1990-2009 cars

### Removal Procedure

1. Remove the instrument panel compartment. Refer to Instrument Panel Compartment Replacement in Instrument Panel, Gauges and Console.
2. Disconnect the vacuum lines from the defroster vacuum actuator.
3. Rotate the defrost valve lever fully rearward (counterclockwise), then carefully insert a screwdriver between the bottom of the defrost valve lever and the protruding wall of the HVAC module case below the valve lever in order to keep the valve lever in place.

Leave the screwdriver in this position until actuator is re-installed.

4. Lift to release the defroster vacuum actuator retaining tab and begin to slide the vacuum actuator towards the passenger side of the vehicle.
5. Carefully rotate the vacuum actuator upward and forward until the actuator clears the instrument panel support.
6. Disconnect the vacuum actuator pushrod from the defrost valve lever and remove the vacuum actuator.

### Installation Procedure

1. Connect the defroster vacuum actuator pushrod to the defrost valve lever
2. Carefully rotate the vacuum actuator rearward and downward, until the actuator slots align with the HVAC module mounting pins.
3. Check that the vacuum actuator pushrod is not binding on the defrost valve lever.
4. Push the vacuum actuator toward the HVAC module case to secure the retaining tab.
5. Remove the screwdriver maintaining the defrost valve lever in position.
6. Connect the vacuum lines to the vacuum actuator.
7. Install the instrument panel lower compartment. Refer to Instrument Panel Compartment Replacement in Instrument Panel, Gauges and Console.