Dodge Durango

 Service Manual

Heating and Air Conditioning » Removal and installation
Mode door vacuum actuator

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, REFER TO GROUP 8M - PASSIVE RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

FLOOR-DEFROST DOOR ACTUATOR

(1) Disconnect and isolate the battery negative cable.

(2) Remove the instrument panel assembly from the vehicle. Refer to Instrument Panel Assembly in the Removal and Installation section of Group 8E - Instrument Panel Systems for the procedures.

(3) Unplug the two vacuum harness connectors from the floor-defrost door actuator (Fig. 76).

(4) Remove the push nut retainer that secures the floor-defrost door actuator link to the floor-defrost door crank arm.

(5) Remove the two screws that secure the floordefrost door actuator to the heater-A/C housing.

(6) Disengage the floor-defrost door actuator link from the floor-defrost door crank arm and remove the actuator from the heater-A/C housing.

(7) Reverse the removal procedures to install.

Tighten the floor-defrost door actuator mounting screws to 2.2 N*m (20 in. lbs.).

PANEL-DEFROST DOOR ACTUATOR

(1) Disconnect and isolate the battery negative cable.

(2) Remove the instrument panel assembly from the vehicle. Refer to Instrument Panel Assembly in the Removal and Installation section of Group 8E - Instrument Panel Systems for the procedures.

(3) Unplug the vacuum harness connector from the panel-defrost door actuator (Fig. 77).

(4) Remove the two screws that secure the paneldefrost door actuator to the heater-A/C housing.

(5) Rotate the panel-defrost door actuator clockwise about one-quarter turn to disengage the hooked end of the actuator link from the hole on the end of the panel-defrost door lever.

(6) Remove the panel-defrost door actuator from the heater-A/C housing.

(7) Reverse the removal procedures to install.

Tighten the panel-defrost door actuator mounting screws to 2.2 N*m (20 in. lbs.).

Fig. 76 Floor-Defrost Door Actuator Remove/Install

1 - FLOOR-DEFROST DOOR CRANK ARM

2 - SCREWS

3 - FLOOR-DEFROST DOOR ACTUATOR

4 - VACUUM CONNECTORS

5 - PUSH NUT

RECIRCULATION AIR DOOR ACTUATOR

A recirculation air door and vacuum actuator are used only on models with the optional air conditioning system.

(1) Disconnect and isolate the battery negative cable.

(2) Remove the instrument panel assembly from the vehicle. Refer to Instrument Panel Assembly in the Removal and Installation section of Group 8E - Instrument Panel Systems for the procedures.

(3) If the vehicle is so equipped, and the heater- A/C housing is in its installed position in the vehicle, remove the Infinity speaker system amplifier. Refer to Amplifier in the Removal and Installation section of Group 8F - Audio Systems for the procedures.

(4) Unplug the two vacuum harness connectors from the recirculation air door actuator (Fig. 78).

(5) Remove the two stamped nuts that secure the recirculation air door actuator to the blower motor housing cover.

(6) Unhook the actuator link from the recirculation air door lever.

(7) Remove the actuator from the blower motor housing cover.

(8) Reverse the removal procedures to install.

Tighten the mounting nuts until the recirculation air door actuator is seated to the blower motor housing cover.

Fig. 77 Panel-Defrost Door Actuator

1 - VACUUM CONNECTOR

2 - SCREW

3 - PANEL-DEFROST DOOR ACTUATOR

4 - SCREW

5 - DEMISTER DUCT ADAPTER

Service warnings and precautions

B-pillar refrigerant line

Blower motor

Blower motor relay

Blower motor resistor

Compressor

Compressor clutch

Compressor clutch relay

Condenser

Ducts and outlets

Electronic cycling clutch switch

Evaporator coil

Expansion valve

Filter-drier

Heater-a/c control

Heater-a/c housing

Heater-a/c housing door

Heater core

High pressure cut-off switch

Liquid line

Low pressure cut-off switch

Mode door vacuum actuator

Rear blower motor switch

Rear overhead a/c unit

Refrigerant line coupler

Suction and discharge line

Suction line jumper

Temperature control cable

Underbody refrigerant line

Vacuum check valve

Vacuum reservoir