Compressor HVAC: Service and Repair

Replacement
1. If the compressor is marginally operable, run the engine at idle speed and turn the air conditioner fan on for a few minutes, then shut the engine off and disconnect the battery negative terminal.
2. Discharge the refrigerant.
3. Disconnect the condenser fan 2P connector.





4. Loosen the under mounting bolt, and remove the tow upper mounting bolts and condenser fan shroud.





5. Remove the tow bolts, and disconnect the suction line and discharge line from the compressor.

CAUTION: Cap the open fittings immediately to keep moisture out of the system.

6. Remove the power steering pump belt.




7. Loosen the upper through bolt and alternator nut, then turn the adjusting bolt and remove the belt.
8. Disconnect the compressor clutch 1 P connector.





9. Remove the four compressor mounting bolts and compressor.





10. Remove the tow mounting bolts and the heat shield.





11. If necessary, remove the tow compressor bracket mounting bolts, tow nuts, and compressor bracket.
12. Install the removed parts in the reverse order of removal, and:
- If a new compressor is installed, calculate the refrigerant oil as below and drain through the suction fitting on the compressor: 120-140 cc (4-4-2/3 fl-oz) minus contents of old compressor, equals amount to drain from new compressor.
- Do not damage the condenser fins when removing/installing the compressor.
- Adjust compressor belt tension.
- Adjust the power steering pump belt.
- Charge the A/C system.
- Test the A/C system performance.