Compressor HVAC: Service and Repair

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 BEFORE PERFORMING THE FOLLOWING OPERATION.

REMOVAL
1. Recover the refrigerant from the refrigerant system. Refer to: "Service and Repair" Service and Repair
2. Disconnect and isolate the battery negative cable.
3. Remove the serpentine drive belt. Refer to: "Drive Belts, Mounts, Brackets and Accessories : Drive Belt : Service and Repair" Service and Repair
4. Unplug the compressor clutch coil wire harness connector.
5. Remove the suction and discharge refrigerant line manifold from the compressor.

Compressor Remove/Install - Typical:

6. Remove the four screws that secure the compressor to the mounting bracket.
7. Remove the compressor from the mounting bracket.

INSTALLATION

NOTE: If a replacement compressor is being installed, be certain to check the refrigerant oil level. 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 Nm (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.
3. Install the serpentine drive belt. Refer to: "Drive Belts, Mounts, Brackets and Accessories : Drive Belt : Service and Repair" Service and Repair
4. Plug in the compressor clutch coil wire harness connector.
5. Connect the battery negative cable.
6. Evacuate the refrigerant system. Refer to: "Service and Repair" Service and Repair
7. Charge the refrigerant system.