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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 257 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Compressor Replacement (LSY) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. It is necessary to perform the air conditioning compressor oil balance procedure when replacing the air conditioning compressor. Air Conditioning Compressor Oil Balancing 
  2. GM5316589Courtesy of GENERAL MOTORS COMPANY

    Maneuver the air conditioning compressor (3) into the engine compartment.

  3. CAUTION:

    Refer to Fastener Caution .

  4. Air Conditioning Compressor Bolt (2) - Install and tighten to 22 N.m (16 lb ft)
  5. Air Conditioning Compressor Nut (1) - Install and tighten to 22 N.m (16 lb ft)
  6. GM5316582Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Compressor Bolt (1) - Install and tighten to 22 N.m (16 lb ft)

  7. GM5315476Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Evaporative Connector Hose/Tube and Compressor Hose (1) @ Air Conditioning Compressor - Install - Air Conditioning Evaporative Connector Hose/Tube and Compressor Hose Replacement (LSY) 

  8. GM5321065Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connectors. (1)

  9. Accessory Drive Primary Belt @ Air Conditioning Compressor - Install - Accessory Drive Primary Belt Replacement
  10. Charge Air Cooler Outlet Air Tube - Install - Charge Air Cooler Outlet Air Tube Replacement
  11. Recharge the refrigerant. Refrigerant Recovery and Recharging 
  12. Inspect for refrigerant leaks.
  13. Clear the DTCs.