Compressor HVAC: Service and Repair

REMOVAL OF COMPRESSOR





1. RUN ENGINE AT IDLE SPEED WITH A/C ON FOR APPROX. TEN MINUTES

2. STOP ENGINE

3. DISCONNECT NEGATIVE (-) CABLE FROM BATTERY

4. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM





5. DISCONNECT DISCHARGE HOSE AND SUCTION HOSE FROM COMPRESSOR

NOTICE: Cap the open fittings immediately to keep moisture out of the system.

6. DISCONNECT CONNECTOR FROM MAGNETIC CLUTCH

7. REMOVE DRIVE BELT





8. REMOVE COMPRESSOR
(a) Remove under cover.
(b) Remove harness from the clamp.
(c) Remove the earth wire harness set bolt.
(d) Remove the nut, three bolts, bracket and the compressor.





INSTALLATION OF COMPRESSOR

1. INSTALL COMPRESSOR
(a) Install the compressor with the bracket, nut and the three bolts.

Specified 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.
(c) Install the wire harness to the clamp.

2. INSTALL DRIVE BELT

3. CONNECT CONNECTOR TO MAGNETIC CLUTCH

4. CONNECT DISCHARGE HOSE AND SUCTION HOSE TO COMPRESSOR

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

Specified torque: 25 N.m (250 kgf.cm, 18 ft.lbf)

5. EVACUATE AIR IN REFRIGERATION SYSTEM AND CHARGE WITH REFRIGERANT

Specified amount: 950 ± 50 g (33.44 ± 1.76 oz)

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

7. INSPECT A/C OPERATION