Air Conditioning Compressor Replacement

Air Conditioning Compressor Replacement (LU3)

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure




1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (HP2) (Service and Repair)Refrigerant Recovery and Recharging (Non-HP2) (Service and Repair).
2. Install a ratchet into the belt tensioner adapter opening.
3. Rotate the belt tensioner counterclockwise in order to relieve the tension on the belt.
4. Remove the belt from the A/C compressor.
5. Slowly release the tension on the belt tensioner.




6. Remove the discharge and suction hose bolt from the A/C compressor.
7. Remove the discharge and suction hose from the A/C compressor.
8. Discard the sealing washers. Cap all of the openings.
9. Disconnect the electrical connections.




10. Remove the A/C compressor mounting bolts.
11. If replacing the A/C compressor. Refer to Air Conditioning Compressor Oil Balancing (Non-HP2) (Procedures)Air Conditioning Compressor Oil Balancing (HP2) (Procedures).

Installation Procedure




1. Remove the caps or tape from the hose and line ends.
2. Install the A/C compressor.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the A/C compressor mounting bolts.

Tighten the bolts to 50 Nm (37 lb ft).

4. Connect the electrical connection.




5. Install the A/C discharge and suction hose to the compressor using new sealing washers.
6. Install the A/C discharge and suction hose bolt to the A/C compressor.

Tighten the bolt to 16 Nm (12 lb ft).

7. Install the drive belt. Refer to Drive Belt Replacement (Service and Repair).
8. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging (HP2) (Service and Repair)Refrigerant Recovery and Recharging (Non-HP2) (Service and Repair).
9. Leak test the fittings of the component using the J 39400-A .