Dodge Durango

 Service Manual

Heating and Air Conditioning » Removal and installation
Compressor

The compressor may be removed and repositioned without disconnecting the refrigerant lines or discharging the refrigerant system. Discharging is not necessary if servicing the compressor clutch or clutch coil, the engine, the cylinder head, or the generator.

WARNING: REVIEW THE WARNINGS AND CAUTIONS IN THE GENERAL INFORMATION SECTION NEAR THE FRONT OF THIS GROUP BEFORE PERFORMING THE FOLLOWING OPERATION.

REMOVAL

(1) Recover the refrigerant from the refrigerant system. See Refrigerant Recovery in the Service Procedures section of this group.

(2) Disconnect and isolate the battery negative cable.

(3) Remove the serpentine drive belt. Refer to Group 7 - Cooling System for the procedures.

(4) Unplug the compressor clutch coil wire harness connector.

(5) Remove the suction and discharge refrigerant line manifold from the compressor. See Suction and Discharge Line in the Removal and Installation section of this group for the procedures. Install plugs in, or tape over all of the opened refrigerant fittings.

(6) Remove the four screws that secure the compressor to the mounting bracket (Fig. 25).

(7) Remove the compressor from the mounting bracket.

Fig. 25 Compressor Remove/Install - Typical

1 - BRACKET

2 - COMPRESSOR

3 - SCREW & WASHER

4 - BRACE

5 - BOLT

INSTALLATION

NOTE: If a replacement compressor is being installed, be certain to check the refrigerant oil level. See Refrigerant Oil Level in the Service Procedures section of this group. Use only refrigerant oil of the type recommended for the compressor in the vehicle.

(1) Install the compressor to the mounting bracket.

Tighten the four mounting screws to 27 N*m (20 ft.

lbs.).

(2) Remove the tape or plugs from all of the opened refrigerant line fittings. Install the suction and discharge line manifold to the compressor. See Suction and Discharge Line in the Removal and Installation section of this group for the procedures.

(3) Install the serpentine drive belt. Refer to Group 7 - Cooling System for the procedures.

(4) Plug in the compressor clutch coil wire harness connector.

(5) Connect the battery negative cable.

(6) Evacuate the refrigerant system. See Refrigerant System Evacuate in the Service Procedures section of this group.

(7) Charge the refrigerant system. See Refrigerant System Charge in the Service Procedures section of this group.

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