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Compressor Oil Balancing: Balancing

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    IMPORTANT: The refrigerant oil in the A/C system must be balanced during compressor replacement.
  1. The replacement compressor is shipped with 240 ml (8.0 oz) of refrigerant oil.
  2. Before installing the compressor, the refrigerant oil will have to be fully drained.
    Fig 1: Draining A/C Refrigerant Oil From Compressor
    GM821777Courtesy of GENERAL MOTORS CORP.
  3. Add back the same quantity of PAG oil as drained from the removed compressor.

    Refer to the amount of refrigerant oil recorded during the compressor removal.

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