Dodge Durango

 Service Manual

Heating and Air Conditioning » Removal and installation
Heater-a/c housing door

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.

BLEND-AIR DOOR

(1) Remove the heater-A/C housing from the vehicle, and remove the housing cover. See Heater-A/C Housing in the Removal and Installation section of this group for the procedures.

(2) Lift the blend-air door pivot shaft out of the pivot hole in the bottom of the heater-A/C housing (Fig. 68).

(3) Reverse the removal procedures to install.

Fig. 68 Blend-Air Door Remove/Install

1 - BLEND-AIR DOOR

2 - EVAPORATOR COIL

FLOOR-DEFROST DOOR

(1) Remove the heater-A/C housing from the vehicle, and remove the housing cover. See Heater-A/C Housing in the Removal and Installation section of this group for the procedures.

(2) Remove the push nut retainer that secures the floor-defrost door actuator link to the floor-defrost door crank arm (Fig. 69).

(3) Disengage the floor-defrost door actuator link from the floor-defrost door crank arm.

(4) Remove the floor-defrost door from the heater- A/C housing.

(5) Reverse the removal procedures to install.

PANEL-DEFROST DOOR

(1) Remove the heater-A/C housing from the vehicle, and remove the housing cover. See Heater-A/C Housing in the Removal and Installation section of this group for the procedures.

(2) Lift the panel-defrost door out of the heater- A/C housing. Assure that the chute assembly on the panel-defrost door is properly positioned.

(3) Reverse the removal procedures to install.

RECIRCULATION AIR DOOR

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

(1) Remove the heater-A/C housing from the vehicle, and remove the housing cover. See Heater-A/C Housing in the Removal and Installation section of this group for the procedures.

Fig. 69 Floor-Defrost Door Remove/Install

1 - PUSH-NUT

2 - ACTUATOR LINK

3 - HEATER-A/C HOUSING

4 - FLOOR-DEFROST DOOR

Fig. 70 Panel-Defrost Door Remove/Install

1 - PANEL-DEFROST DOOR

2 - HEATER CORE

(2) Remove the recirculation air door actuator from the blower motor housing cover. See Mode Door Vacuum Actuators in the Removal and Installation section of this group for the procedures.

(3) Lift the lower end of the recirculation air door up far enough so that the door lever is clear of the recirculation air intake grille, then twist the door to remove the door pivots from the pivot holes in the blower motor housing cover (Fig. 71).

Fig. 71 Recirculation Air Door Remove/Install

1 - BLOWER MOTOR HOUSING COVER

2 - RECIRCULATION AIR DOOR

3 - DOOR PIVOT HOLES

(4) Remove the recirculation air door from the blower motor housing cover.

(5) Reverse the removal procedures to install.

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