Compressor HVAC: Service and Repair
COMPRESSORREMOVAL
1. Run engine at idle with A/C ON for 10 minutes.
2. Disconnect negative cable at battery.
3. Recover refrigerant from refrigeration system using recovery and recycling equipment.
NOTE: The amount of compressor at removed must be measured and the same amount must be poured when installing the compressor.
4. Disconnect thermal protector lead wire.
5. Disconnect suction and discharge hoses from compressor.
NOTE: Cap open fitting immediately to keep moisture out of system.
6. Remove generator belt.
7. Remove compressor with clutch assy from its mount.
8. Drain oil from compressor, and measure its amount.
INSTALLATION
1. Pour new compressor oil. The amount must be the same with the amount measured in REMOVAL.
NOTE: Compressor assembly supplied from factory is filled up with following amount of oil.
Amount of oil in compressor: 120 cu.cm (120 cc, 7.5 cu.in)
2. Install compressor to its bracket.
Tighten bolts (a) first, then (b).
Tightening Torque
(a), (b): 23 Nm (2.3 kg.m, 17.0 ft. lbs.)
3. Connect suction and discharge hoses to compressor.
4. Install generator belt.
5. Connect thermal protector lead wire.
6. Evacuate and charge system according to previously described procedure.
CAUTION: Be sure to use HFC-134a (R-134a) compressor oil.