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Air Conditioning Compressor Replacement



Air Conditioning Compressor Replacement (LLY/LMM)

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 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 hose bolt (2) from the A/C compressor (3).
7. Remove the discharge hose (1) from the A/C compressor (3).




8. Remove the suction hose bolt (2) from the A/C compressor (3).
9. Remove the suction hose (1) from the A/C compressor (3).
10. Discard the sealing washers. Cap all of the openings.
11. Disconnect the electrical connections.




12. Remove the A/C compressor mounting bolts.
13. If replacing the A/C compressor. Refer to Air Conditioning Compressor Oil Balancing.


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 hose (1) to the compressor (3) using new sealing washers.
6. Install the A/C discharge hose bolt (2) to the A/C compressor (3).

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





7. Install the A/C suction hose (1) to the compressor (3) using new sealing washers.
8. Install the A/C suction hose bolt (2) to the A/C compressor (3).

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

9. Install the drive belt. Refer to Drive Belt Replacement (Service and Repair) .
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. Leak test the fittings of the component using the J 39400-A .