Compressor HVAC: Service and Repair

COMPONENTS

REMOVAL

1. RUN ENGINE AT IDLE SPEED WITH A/C ON FOR APPROX. 10 MINUTES
2. STOP ENGINE
3. DISCONNECT NEGATIVE (-) TERMINAL CABLE FROM BATTERY
4. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM

5. DISCONNECT DISCHARGE AND SUCTION HOSES
Remove the 2 nuts and disconnect the both hoses.

NOTE: Cap the open fittings immediately to keep moisture or dirt out of the system.

6. REMOVE DRIVE BELT
7. REMOVE ENGINE UNDER COVER




8. REMOVE COMPRESSOR
a. Disconnect the connector.
b. Remove the bolt and disconnect the earth wire.
c. Remove the nut, the 3 bolts, compressor No.1 Stay and the compressor.

INSTALLATION




1. INSTALL COMPRESSOR
a. Install the compressor with the stay and 3 bolts.
Torque:
Bolts: 49 Nm (500 kg.cm, 36 ft.lb)
Nut: 29 Nm (300 kg.cm, 22 ft.lb)
b. Connect the earth wire harness with the bolts.
c. Connect the connector.

2. INSTALL ENGINE UNDER COVER

3. CONNECT DISCHARGE AND SUCTION HOSES TO COMPRESSOR
Connect the both hoses with the 2 nuts.
Torque: 10 Nm (100 kg.cm, 7 ft.lb)

NOTE: Hose should be connected immediately after the caps have been removed.

HINT: Lubricate 2 new O-rings with compressor oil and install the hoses.

4. INSTALL AND CHECK DRIVE BELT
5. CONNECT NEGATIVE (-) TERMINAL CABLE TO BATTERY

6. EVACUATE AIR FROM REFRIGERATION SYSTEM AND CHARGE WITH REFRIGERANT
Specified amount: 700 ± 50 g (24.69 ± 6.76 oz.)

7. INSPECT FOR LEAKAGE OF REFRIGERANT
Using a gas leak detector, check for leakage of refrigerant.
If there is leakage, check the tightening torque at the joints.

8. INSPECT A/C OPERATION