2500 4x2 Pickup V8-5.9L VIN Z (1994)
Air Door Actuator / Motor: Service and Repair
Heat/Defrost Door Actuator Replacement
Fig 49 Heat-Defrost Door Actuator
HEAT-DEFROST DOOR ACTUATOR
Removal
1. Remove the heater-A/C housing. Refer to: "Housing Assembly HVAC : Service and Repair" See: Housing Assembly HVAC/Service and
Repair
2. Turn the heater-A/C housing upside down.
3. Disconnect the vacuum line from the heat-defrost door actuator.
4. Separate the heat-defrost door crank arm from the door pivot pin.
5. Remove the crews that secure the actuator to the heater-A/C housing.
6. Remove the heat-defrost door actuator.
Installation
1. Install the heat-defrost door actuator to the heater-A/C housing.
2. Install and tighten the Screws that secure the actuator to the heater-A/C housing.
3. Press the heat-defrost door crank arm onto the door pivot pin.
4. Connect the vacuum line to the heat-defrost door actuator.
5. Install the heater-A/C housing.