Heater Air Damper Door

REMOVAL




1. Remove the heater air plenum chamber from the vehicle. Service and Repair
2. Remove the sleeve nut retaining the vacuum motor arm to the heater air damper door.
3. Remove two screws retaining door hinge to heater air plenum chamber upper half.
4. Drill and remove two rivets retaining the heater air damper door hinge to the heater air plenum chamber lower half.
5. Remove the heater air damper door from the heater air plenum chamber through the dash panel inlet opening.

INSTALLATION
1. Position the heater air damper door into the heater air plenum chamber through the dash panel inlet openings.
2. Install two screws to retain heater air damper door hinge to heater air plenum chamber upper half.
3. Either pop-rivet or install two screws and nuts to retain the panel door hinge to the heater air plenum chamber lower half.
4. Check the door for alignment and freedom of movement. Correct any sticking, binding or grabbing condition.
5. Connect the vacuum motor arm to the heater air damper door with a new sleeve nut.
6. Install the heater air plenum chamber in the vehicle.
7. Check the system for proper operation.