RAM 2500 Van V8-5.2L VIN Y (1998)
Air Door Actuator / Motor: Service and Repair
Rear Heat A/C
The rear mode control motor is used only on models with the optional rear heater-A/C unit. The rear mode control motor can be removed without
removing the rear heater-A/C unit from the vehicle.
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Remove the cover from the rear heater-A/C unit.
3. Remove the vertical duct from the rear heater- A/C unit.
4. Remove the horizontal duct from the rear heater-A/C unit.
Rear Mode Control Motor Remove/Install
5. Unplug the wire harness connector from the rear mode control motor, located on the outboard side of the upper housing near the front of the rear
heater-A/C unit.
6. Remove the three screws that secure the rear mode control motor to the rear heater-A/C unit upper housing.
7. Move the rear mode control motor outboard far enough to disengage the motor hub from the water valve control cable adaptor.
8. Remove the rear mode control motor from the rear heater-A/C unit.
INSTALLATION
1. Install the rear mode control motor hub over the water valve control cable adaptor. Be certain to index the flats in the motor hub to the flats on the
adaptor.
2. Install three screws to secure the rear mode control motor to the mounting bosses on the rear heater-A/C unit upper housing. Tighten the mounting
screws to 2.2 N.m (20 in. lbs.).
3. Plug in the wire harness connector to the rear mode control motor.
4. Reinstall the horizontal duct to the rear heater-A/C unit.
5. Reinstall the vertical duct on the rear heater-A/C unit.
6. Reinstall the cover on the rear heater-A/C unit.
7. Connect the battery negative cable.