K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Air Door Actuator / Motor: Service and Repair
Temperature Mode Door Motor
REMOVE OR DISCONNECT
1. Battery ground cable.
2. Instrument panel compartment for excess.
3. Electrical connection.
4. Screws.
5. Actuator.
ADJUST
1. Install the battery ground cable.
2. Electrical connection to the actuator.
3. Turn the ignition key to the accessory position.
4. Allow the actuator to position itself.
5. Turn off the ignition key.
6. Disconnect the electrical connection from the actuator.
7. Disconnect the battery ground cable.
INSTALL OR CONNECT
1. Actuator to the heater assembly.
2. Screws.
3. Electrical connection to the actuator.
4. Instrument panel compartment.
5. Battery ground cable.
