Compressor HVAC: Service and Repair

Compressor




REMOVAL




1. Remove engine cover and air cleaner cover. Refer to "ENGINE ROOM COVER".
2. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
3. Remove engine under cover, using power tools.
4. Remove air cleaner assembly, air duct and air inlet pipe. Refer to "AIR CLEANER AND AIR DUCT".
5. Remove compressor-alternator belt. Refer to "Checking Drive Belts".




6. Remove mounting nuts from both high-pressure flexible hose and low-pressure flexible hose.

CAUTION: Cap or wrap the open ends of the pipe with a suitable material such as vinyl tape to avoid the entry of air.

7. Disconnect compressor connectors (magnet clutch and ECV).
8. Remove mounting bolt from radiator hose bracket.
9. Remove mounting bolts from compressor, using power tools.
10. Move radiator hose to right side of the vehicle.
11. Remove compressor from the upper side of the vehicle.

INSTALLATION
Installation is basically the reverse order of removal.

CAUTION:
- Replace low-pressure flexible hose and high-pressure flexible hose O-rings with new ones. Apply compressor oil prior to installation.
- When pouring refrigerant, check for leaks.

Bolts mounting the compressor
Tightening torque : 57 - 65 Nm (5.8 - 6.7 kg-m, 42 - 48 ft-lb)

Bolts mounting the compressor bracket
Tightening torque : 57 - 65 Nm (5.8 - 6.7 kg-m, 43 - 48 ft-lb)

Nut mounting the high-pressure flexible hose
Tightening torque : 7.8 - 19.6 Nm (0.8 - 1.9 kg-m, 69 - 173 in-lb)

Nut mounting the low-pressure flexible hose
Tightening torque : 7.8 - 19.6 Nm (0.8 - 1.9 kg-m, 69 - 173 in-lb)