Grand Cherokee 4WD V8-4.7L (2003)
Air Door Actuator / Motor: Service and Repair
Recirculation Door Actuator Replacement
REMOVAL
Recirculation Door Vacuum Actuator
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT
AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM
CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO
DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN AN ACCIDENTAL
AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
This actuator is used only on models equipped with the standard manual temperature control system.
1. Remove the instrument panel from the vehicle. See: Instrument Panel, Gauges and Warning Indicators/Instrument Cluster / Carrier/Service and
Repair
2. Unplug the vacuum harness connector from the recirculation door vacuum actuator.
3. Disengage the recirculation door pivot connection from the door pivot pin.
4. Disengage the recirculation door actuating rod from the recirculation door lever.
5. Remove the screws that secure the recirculation door vacuum actuator to the HVAC housing.
6. Remove the recirculation door vacuum actuator from the HVAC housing.
Recirculation Door Electric Actuator
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT
AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM
CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO
DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN AN ACCIDENTAL
AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
This actuator is used only on models equipped with the optional Automatic Zone Control (AZC) system.
1. Remove the instrument panel from the vehicle. See: Instrument Panel, Gauges and Warning Indicators/Instrument Cluster / Carrier/Service and
Repair
2. Unplug the wire harness connector from the recirculation door actuator.
Fig.21 Recirculation Door Housing
3. Remove the 2 screws securing the recirculation door housing to the HVAC unit. Tilt the front of the housing up while reaching around the back
