Air Door Actuator / Motor: Service and Repair

REMOVAL
1. Disconnect the battery ground cable.
2. Disconnect the glove compartment door stop (one screw) and let the door hang by the hinges.

Servo Motor Assembly:

3. Remove the vacuum hose from the servo motor and unplug the electrical harness connectors.
4. Remove the two screws from the servo motor assembly mounting bracket and position the servo for access to the vacuum diverter valve.
5. Remove the retaining pushnut and vacuum connector clip, unplug the multiple vacuum connector from the vacuum diverter valve.
6. Remove the pushnut that retains the servo motor overtravel spring and arm link to the blend door crank arm. Remove the servo assembly from the vehicle.

INSTALLATION
1. Connect the servo motor overtravel spring and arm link to the blend door crank arm. Install a new pushnut.
2. Connect the multiple vacuum connector to the vacuum diverter valve and secure it with a vacuum connector and a new retaining pushnut.
3. Position the servo motor and install the two mounting screws.
4. Connect the vacuum hose to the servo motor and connect the electrical connector to the harness.
5. Replace the glove compartment door stop screw.
6. Connect the battery ground cable.

NOTE: On vehicles equipped with Electronic Engine Control (EEC), when the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the EEC processor relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the strategy.

7. Check the ATC system for proper operation.