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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Heating, Ventilation, And Air Conditioning - Repair Instructions) >> Repair Instructions >> Flushing >> Flushing Setup

Flushing Setup

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE:
    • Warmer engine or ambient temperature decreases the refrigerant recovery time during the air conditioning flush procedure.
    • Minimum flush time for metal contamination should be 25 minutes
  1. Recover the refrigerant. Refrigerant Recovery and Recharging 
  2. Remove the front air conditioning evaporator thermal expansion valve. Air Conditioning Evaporator Thermal Expansion Valve Replacement 
  3. Install the GE-45268-121  Flush Adapter Kit in place of the thermal expansion valve.
  4. Remove the air conditioning compressor. Air Conditioning Compressor Replacement (LSY) , or Air Conditioning Compressor Replacement (L3B) , or Air Conditioning Compressor Replacement (LF4) 
  5. Install GE-45268-10  Flush Adapter Kit to the discharge hose.
  6. Install GE-45268-10  Flush Adapter Kit to the suction hose.
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