Draining Procedure
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.
- Remove the A/C compressor from the vehicle. Air Conditioning Compressor Replacement (LSY) , or Air Conditioning Compressor Replacement (L3B) , or Air Conditioning Compressor Replacement (LF4)
- Record the amount of oil removed from the refrigerant system during refrigerant recovery. This measurement will be used during installation of the replacement compressor.
- Drain as much refrigerant oil as possible from both the suction and discharge ports of the removed compressor into a clean, graduated container.
- Measure and record the amount of oil drained from the removed compressor. This measurement will be used during installation of the replacement compressor.
- Inspect oil drained from the removed compressor. Air Conditioning Compressor Oil Diagnosis
- Properly discard the used refrigerant oil.
NOTE:
During the oil removal procedure, the condition of the oil should be evaluated. Compressor oil never breaks down unless something is wrong with the compressor or air conditioning (A/C) system. If one or more of the following conditions exist, replace the compressor and receiver dehydrator.