Air Conditioning Compressor Replacement (4.3L)

Air Conditioning Compressor Replacement (4.3L)

Special Tools

J 39400-A - Halogen Leak Detector

Removal Procedure

1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement Service and Repair.

2. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.





3. Disconnect the clutch coil electrical connector (1) from the compressor.





4. Disconnect the A/C high pressure switch electrical connector (2) from the compressor.

5. Remove the drive belt. Refer to Drive Belt Replacement .





6. Remove the compressor hose assembly.

7. Remove the mounting bolts (2) from the compressor.

8. Remove the compressor from the vehicle.

9. If replacing the compressor, balance the refrigerant oil. Refer to Air Conditioning Compressor Oil Balancing Procedures.

Installation Procedure





1. Install the compressor (1) to the vehicle.

Caution:
Refer to Fastener Caution Fastener Caution.

2. Install the compressor retaining bolts to the mounting bracket and tighten to 50 Nm (37 lb ft).

3. Install the new sealing washers. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

4. Install the compressor hose assembly.

5. Install the drive belt. Refer to Drive Belt Replacement .





6. Connect the clutch coil electrical connector (1) to the compressor.





7. Connect the A/C high pressure switch electrical connector (2) to the compressor.

8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement Service and Repair.

9. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

10. Leak test the fittings of the components using the J 39400-A - detector.