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 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 BOLTS
9. REMOVE COMPRESSOR
a. Disconnect the connector.
b. Remove the 4 bolts and compressor.

INSTALLATION

1. INSTALL COMPRESSOR
a. Install the compressor with the 4 bolts.

Torque: 25 Nm (250 kg.cm, 18 in.lb)

b. install the fan shroud.
c. Connect the connector.

2. CONNECT DISCHARGE AND SUCTION HOSES
Connect the both hoses with the 2 bolts.

Torque: 10 Nm (100 kg.cm, 7 in.lb)

NOTE: Hose should be connected immediately after the caps have been removed.

HINT: Lubricate 2 new O-rings with compressor oil and install them to the hoses.

3. INSTALL AND CHECK DRIVE BELT
4. INSTALL ENGINE UNDER COVER
5. 5VZ- FE engine models: INSTALL PS PUMP SET BOLTS

Torque: 43 Nm (440 kg.cm, 32 in.lb)

6. CONNECT NEGATIVE (-) TERMINAL CABLE TO BATTERY
7. EVACUATE AIR FROM REFRIGERATION SYSTEM
8. CHARGE SYSTEM WITH REFRIGERANT

Specified amount: 650 ± 50 g (22.92 ± 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.