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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1615 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Compressor Oil Balancing (Without HP5) >> Draining Procedure

Draining Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Drain and measure as much of the refrigerant oil as possible from the removed compressor.
  1. Drain the oil from both the suction and discharge ports of the removed compressor into a clean, graduated container.

    Rotate the compressor shaft to assist in draining the compressor.

  2. Fig 1: Draining A/C Refrigerant Oil From Compressor
    GM821777Courtesy of GENERAL MOTORS CORP.
  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. 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.
  5. Inspect oil drained from removed compressor. Refer to Air Conditioning Compressor Oil Diagnosis 
  6. Properly discard the used refrigerant oil.