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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Heating, Ventilation, And Air Conditioning - Repair Instructions) >> Repair Instructions >> Air Conditioning Refrigerant High Pressure Service Valve Replacement >> Installation Procedure

Installation Procedure

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  1. GM5515640Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Refrigerant Service Valve Seal (3) - Install NEW

  2. CAUTION:

    Refer to Fastener Caution .

  3. Use the GE-52548  Air Conditioning Valve Socket (1) to install and tighten the air conditioning refrigerant high pressure service valve (2). Fastener Specifications
  4. GM5515633Courtesy of GENERAL MOTORS COMPANY

    Service Port Cap (1) - Install and tighten - Fastener Specifications

  5. Evacuate and charge the refrigerant system. Refrigerant Recovery and Recharging 
  6. Inspect for refrigerant leaks.