Dakota Quad Cab 2WD V8-5.9L VIN Z LDC (2002)
Air Door Actuator / Motor: Service and Repair
Mode Door Actuator Replacement
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 ACCIDENTAL AIRBAG
DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Remove the silencer from beneath the driver- side end of the instrument panel.
3. Disconnect the HVAC wire harness connector for the mode door actuator from the actuator connector receptacle.
4. Remove the two screws that secure the mode actuator to the distribution housing.
5. Remove the mode actuator from the distribution housing.
NOTE: Be sure to hold the mode cam and all mode door links in place.
INSTALLATION
1. Position the mode actuator onto the heater/AC housing. If necessary, rotate the actuator slightly to align the splines on the actuator output shaft
with those in the mode cam.
NOTE: Be sure that the mode door links are positioned in the cam.
2. Install and tighten the two screws that secure the mode door actuator to the distribution housing. Tighten the screws to 2 Nm (17 in. lbs.).
3. Reconnect the HVAC wire harness connector for the mode door actuator to the actuator connector receptacle.
4. Reinstall the silencer under the driver side end of the instrument panel.
5. Reconnect the battery negative cable.
6. Perform the heater-A/C control calibration procedure.
