Air Conditioning Compressor Replacement

Air Conditioning Compressor Replacement (LY2, LY5, LH6, L76, L92 and LMG)

Special Tools

J 39400-A Halogen Leak Detector


Removal Procedure





1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Non-HP2) (Refrigerant Recovery and Recharging)Refrigerant Recovery and Recharging (HP2) (Refrigerant Recovery and Recharging) .
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 (Service and Repair) .
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) (Service and Repair)Air Conditioning Compressor Oil Balancing (HP2) (Service and Repair) .



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 Sealing Washer Replacement (Sealing Washer 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 Sealing Washer Replacement (Sealing Washer 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) (Air Conditioning Compressor Belt Replacement) .
10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging (Non-HP2) (Refrigerant Recovery and Recharging)Refrigerant Recovery and Recharging (HP2) (Refrigerant Recovery and Recharging) .
11. Install the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (Service and Repair) .
12. Leak test the fittings of the component using the J 39400-A .