Compressor HVAC: Service and Repair

REMOVAL
The A/C compressor may be unbolted and repositioned without discharging the refrigerant system. Discharging is not necessary if removing the compressor clutch/coil assembly, engine, cylinder head, or alternator.

WARNING: REFRIGERANT PRESSURES REMAIN HIGH EVEN THOUGH THE ENGINE MAY BE TURNED OFF. DO NOT TWIST OR KINK THE REFRIGERANT LINES WHEN REMOVING A FULLY CHARGED COMPRESSOR. SAFETY GLASSES MUST BE WORN.

1. Disconnect Negative battery cable.
2. Remove upper hood side panel for access to the compressor.
3. Remove headlamp module to allow clearance.
4. Loosen and remove drive belts and disconnect compressor clutch wire lead.
5. Remove refrigerant from the A/C system (with a refrigerant recovery machine) if the compressor is being replaced.

Fig.1 Compressor A/C Lines:

6. Remove refrigerant lines from compressor and disconnect electrical connector.
7. If system is left open place plug/cap over open lines.
8. Remove compressor attaching bolt.
9. Remove compressor. If refrigerant lines were not removed, lift compressor/clutch assembly and tie it to a suitable component.

INSTALLATION
1. Position the compressor to the engine.
2. Install the compressor mounting bolts.
3. Tighten the bolts to 28 Nm (21 ft. lbs.).
4. If removed, install the refrigerant lines.
5. Install the drive belt.
6. Install the headlamp module.
7. Install the upper side panel.
8. If necessary, recharge the A/C system.
9. Connect the battery negative cable.