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. REMOVE DRIVE BELT
6. DISCONNECT DISCHARGE AND SUCTION HOSES
Remove the 2 bolts and disconnect the both hoses.
NOTE: Cap the open fittings immediately to keep moisture or dirt out of the system.
7. REMOVE GENERATOR
a. Disconnect the generator connector.
b. Remove the nut, and disconnect the generator wire.
c. Disconnect the wire harness from the clip.
d. Remove the pivot bolt, plate washer, adjusting lock bolt and generator.
8. REMOVE COMPRESSOR
a. Disconnect the connector.
b. Remove the 2 bolts, nut and drive belt adjusting bar bracket.
c. Remove the 3 bolts and compressor.
INSTALLATION
1. INSTALL COMPRESSOR
a. Install the compressor with the 3 bolts.
Torque: 25 N.m (250 kgf.cm, 18 ft.lbf)
b. Install the generator drive belt adjusting bar bracket with the 2 bolts and a nut.
Torque:
Bolt (A): 18 N.m (185 kgf.cm, 13 ft.lbf)
Bolt (B): 25 N.m (250 kgf.cm, 18 ft.lbf)
Nut: 25 N.m (250 kgf.cm, 18 ft.lbf)
2. INSTALL GENERATOR
a. Mount generator on the generator bracket with the pivot bolt and adjusting lock bolt. Do not tighten the bolts yet.
b. Connect the generator connector.
c. Connect the generator wire with the nut.
3. CONNECT DISCHARGE AND SUCTION HOSES
a. Lubricate 2 new O-rings with compressor oil and install them to the hoses.
b. Connect both hoses with the 2 bolts.
Torque: 10 N.m (100 kgf.cm, 7 ft.lbf)
NOTE: Hoses should be connected immediately after the caps have been removed.
HINT: Lubricate 2 new O-ring with compressor oil and install them to the tube.
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:
Single A/C: 800 ± 50 g (28.22 ± 1.76 oz.)
Dual A/C (4 Door): 1,250 ± 50 g (44.09 ± 1.76 oz.)
Dual A/C (5 Door): 1,350 ± 50 g (47.61 ± 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