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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 366 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Compressor Oil Balancing >> Balancing Procedure

Balancing Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Draining A/C Refrigerant Oil From Compressor
    GM821777Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • The refrigerant oil in the A/C system must be balanced during compressor replacement.
    • The replacement compressor is shipped with the total system capacity of refrigerant oil.
    • If additional A/C components are replaced during compressor replacement, add the PAG oil directly to the A/C compressor to compensate the A/C system.
  1. Refer to the amount of refrigerant oil recorded during the compressor removal. Refer to Approximate Fluid Capacities 
  2. If the amount of oil recorded from the removed compressor is less than or equal to 41 ml (1.4 fl. oz), add 75 ml of the new PAG oil back into the new compressor through the compressor suction port.
  3. If the amount of oil recorded from the removed compressor is greater than 41 ml (1.4 fl. oz), add the equivalent amount of the new PAG oil back into the new compressor through the compressor suction port.
  4. Rotate the clutch driver three times to lubricate the internal compressor components.
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