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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 309 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Compressor Oil Balancing (HP2) >> Balancing Procedure (Flushing Required Only)

Balancing Procedure (Flushing Required Only)

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  1. Flush the A/C system. Flushing will remove all the oil from the A/C system. Refer to Flushing (NON-HP2) , Flushing (HP2) .
  2. Remove the A/C compressor from the vehicle. Refer to Air Conditioning Compressor Replacement (HP2) , Air Conditioning Compressor Replacement (LY2, LY5, LH6, L76, L92, LC9 and LMG) .
    3. Fig 1: A/C Hose Routing
    GM2093924Courtesy of GENERAL MOTORS CORP.
  3. Drain the oil from both the suction and discharge ports of the removed compressor into a clean, graduated container.
    4. Fig 2: Replenishing Refrigeration Oil
    GM2100327Courtesy of GENERAL MOTORS CORP.
    NOTE:

    The A/C system must be replenished with POE oil.

  4. Add the total system capacity of POE oil 150 ml (5.0 oz) to the A/C system by filling the A/C compressor or using J 45037  injector along with GE 48997  adapter.
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