Compressor HVAC: Service and Repair

REMOVAL OF COMPRESSOR

1. RUN ENGINE AT IDLE SPEED FOR 10 MINUTES WITH AIR CONDITIONING ON

2. STOP ENGINE

3. DISCONNECT NEGATIVE CABLE FROM BATTERY

4. REMOVE POWER STEERING PUMP (3VZ E/G ONLY)

5. DISCONNECT CLUTCH LEAD WIRE FROM WIRING HARNESS

6. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM

7. DISCONNECT TWO HOSES FROM COMPRESSOR SERVICE VALVES
Cap the open fitting immediately to keep moisture out of the system.

8. REMOVE COMPRESSOR
(a) Remove the fan shroud.
(b) Loosen the drive belt.
(c) Remove the compressor mounting bolts and the compressor.

INSTALLATION OF COMPRESSOR

1. INSTALL COMPRESSOR WITH THREE MOUNTING BOLTS

Torque: 280 kg-cm (20 ft-lb, 27 N-m)

2. INSTALL DRIVE BELT

3. CONNECT TWO HOSES TO COMPRESSOR SERVICE VALVES

Torque:
Discharge line 250 kg-cm (18 ft-lb, 25 N-m)
Suction line 250 kg-cm (18 ft-lb, 25 N-m)

4. CONNECT CLUTCH LEAD WIRE TO WIRING HARNESS

5. CONNECT NEGATIVE CABLE TO BATTERY

6. EVACUATE AIR FROM AIR CONDITIONING SYSTEM

7. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT AND CHECK FOR GAS LEAKAGE

Specified amount: 700 - 800 g (1.5 - 1.8 lb)