Compressor HVAC: Service and Repair

Compressor Assembly Removal and Installation

Reference: Compressor Assembly On-Vehicle Inspection

Removal
1. Run engine at idle with A/C ON for 10 minutes.
2. Disconnect negative (-) cable at battery.
3. Recover refrigerant from the A/C system using recovery and recycling equipment referring to "Recovery" in Operation Procedure for Charging A/C with Refrigerant.

NOTE: The amount of compressor oil at removed must be measured and the same amount must be poured when installing the compressor.

4. Drain engine coolant.
5. Remove radiator inside hose and outside hose from vehicle.
6. Remove radiator cooling fan assembly referring to Radiator Cooling Fan Assembly Removal and Installation.
7. Remove drive belt referring to P/S Pump and A/C Compressor (If Equipped) Drive Belt Removal and Installation.
8. Disconnect magnet clutch connector.
9. Disconnect suction hose and discharge hose from compressor.

NOTE: Cap open fitting immediately to keep moisture out of system.

10. Remove compressor from its mount.

Installation

CAUTION: Be sure to use HFC-134a (R-134a) compressor oil.

Reverse removal procedure noting the following instructions.
- If compressor is replaced, pour new compressor oil referring to Precautions on Replenishing Compressor Oil.
- Install drive belt referring to P/S Pump and A/C Compressor (If Equipped) Drive Belt Removal and Installation.
- Install radiator cooling fan assembly.
- Fill engine coolant to radiator.
- Evacuate and charge system referring to "Evacuation" and "Charge" in Operation Procedure for Charging A/C with Refrigerant.

Tightening torque
Compressor mounting bolt: 25 Nm (2.5 kg-m, 18.0 lb-ft)