Compressor HVAC: Service and Repair

COMPRESSOR 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. REMOVE DISCHARGE HOSE AND SUCTION HOSE FROM COMPRESSOR
Remove the 2 nuts and the both hoses.

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

6. REMOVE DRIVE BELT





7. REMOVE COMPRESSOR
a. Remove the earth wire harness set bolt.
b. Remove the nut, the 3 bolts, bracket and the compressor.

COMPRESSOR INSTALLATION





1. INSTALL COMPRESSOR
a. Install the compressor with the bracket. nut and 3 bolts.
Torque:
Bolts: 49 N.m (500 kgf.cm. 36 ft.lbf)
Nut: 29 N.m (300 kgf.cm. 22 ft.lbf)
b. Install the earth wire harness with the bolts.
2. INSTALL DRIVE BELT
3. CONNECT DISCHARGE HOSE AND SUCTION HOSE TO COMPRESSOR
Torque: 10 N.m (100 kgf.cm, 7 ft.lbf)

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

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

4. CONNECT CONNECTOR TO MAGNETIC CLUTCH
5. CONNECT NEGATIVE (-) TERMINAL CABLE TO BATTERY
6. EVACUATE AIR IN REFRIGERATION SYSTEM AND CHARGE WITH REFRIGERANT

Specified amount:
700 ± 50 g (29.69 ± 1.76 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