Compressor HVAC: Service and Repair
COMPONENTS
REMOVAL
1. RUN ENGINE AT IDLE SPEED WITH A/C ON FOR APPROX. 10 MINUTES WITH A/C ON
2. STOP ENGINE
3. DISCONNECT NEGATIVE (-) TERMINAL CABLE FROM BATTERY
4. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM
5. REMOVE ENGINE UNDER COVER
6. DISCONNECT DISCHARGE AND SUCTION HOSES
Remove the 2 bolts and disconnect the both hoses.
NOTE: Cap the open fitting immediately to keep moisture or dirt out of the system.
7. REMOVE DRIVE BELT
8. 5VZ-FE Engine Models:
REMOVE PS PUMP SET BOLT AND NUT
9. REMOVE COMPRESSOR
a. Disconnect the connector.
b. Remove the 4 bolts and compressor.
INSTALLATION
1. INSTALL COMPRESSOR
a. Install the compressor with 4 bolts.
Torque: 25 N.m (250 kgf.cm, 18 ft.lbf)
b. Connect the connector.
2. CONNECT DISCHARGE AND SUCTION HOSES
Connect the both hoses with the 2 bolts.
Torque: 10 N.m (100 kgf.cm, 7 ft.lbf)
NOTE: Hose should be connected immediately after the caps have been removed.
HINT: Lubricate 2 new O-rings with compressor oil and install the hoses.
3. INSTALL AND CHECK DRIVE BELT
4. INSTALL ENGINE UNDER COVER
5. 5VZ-FE Engine Models:
INSTALL PS PUMP SET BOLT AND NUT
Torque: 43 N.m (440 kgf.cm, 32 ft.lbf)
6. CONNECT NEGATIVE (-) TERMINAL CABLE TO BATTERY
7. EVACUATE AIR FROM REFRIGERATION SYSTEM
8. CHARGE SYSTEM WITH REFRIGERANT
Specified amount: 600 ± 50 g (21.16 ± 1.76 oz.)
9. 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.
10. INSPECT A/C OPERATION