Air Conditioning Compressor Replacement (LZ1, L20, LC9, L9H, L92, LMG)

Air Conditioning Compressor Replacement (LZ1, L20, LC9, L9H, L92, LMG)

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure





1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Non-HP2) Service and RepairRefrigerant Recovery and Recharging (HP2) Service and Repair.

2. Install a ratchet into the air conditioning (A/C) belt tensioner adapter opening.

3. Remove the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .

4. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.

5. Remove the A/C belt from the A/C compressor.

6. Slowly release the tension on the A/C belt tensioner.

7. Remove the discharge hose bolt from the A/C compressor.

8. Remove the discharge hose from the A/C compressor.

9. Remove the suction hose bolt from the A/C compressor.

10. Remove the suction hose from the A/C compressor.

11. Discard the sealing washers. Cap all of the openings.

12. Disconnect the electrical connections.





13. Remove the A/C compressor mounting bolts. The lower right bolt (3) will stay with the compressor due to a lack of clearance.

14. Remove the A/C compressor (2) from the bracket (1).

15. If replacing the A/C compressor. Refer to Air Conditioning Compressor Oil Balancing (Non-HP2) ProceduresAir Conditioning Compressor Oil Balancing (HP2) Procedures.

Installation Procedure





1. Install the A/C compressor (2) to the bracket (1) through the fender well. Insert the mounting bolt (3) into the lower right mounting boss before installing the A/C compressor.

2. Install the A/C compressor to the bracket. Insert the mounting bolt into the lower right mount before installing the A/C compressor.

Caution:
Refer to Fastener Caution Fastener Caution.

3. Install the A/C compressor mounting bolts and tighten to 50 Nm (37 lb ft).

4. Connect the electrical connector to the A/C compressor.

5. Install the A/C discharge hose to the compressor using new sealing washers. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

6. Install the A/C discharge hose bolt to the A/C compressor and tighten to 16 Nm (12 lb ft).

7. Install the A/C suction hose to the compressor using new sealing washers. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

8. Install the A/C suction hose bolt to the A/C compressor and tighten to 16 Nm (12 lb ft).

9. Install the A/C drive belt. Refer to Air Conditioning Compressor Belt Replacement (V8) .

10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging (Non-HP2) Service and RepairRefrigerant Recovery and Recharging (HP2) Service and Repair.

11. Install the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .

12. Leak test the fittings of the component using the J 39400-A.