Draining Procedure Buick Regal V

Draining Procedure

1. Drain the refrigerant oil from the crankcase and rear head ports into a clean, graduated container.
2. Rotate the compressor shaft to assist in draining the compressor.
3. Measure and record the amount of oil drained from the removed compressor. This measurement will be used during installation of the replacement compressor.
4. Inspect oil drained from removed compressor. Refer to «Air Conditioning Compressor Oil Diagnosis»(/buick/regal/v-2009-2013/remont/automatic-hvac-system/#heating-ventilation-and-air-conditioning__air-conditioning-compressor-oil-diagnosis) .
5. Properly discard the used refrigerant oil.
6. Clean the graduated cylinder.
7. Remove the drain bolt and drain the refrigerant oil from the crankcase and rear head ports into a clean, graduated container.
8. Rotate the compressor shaft to assist in draining the compressor.