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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 910 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Oil Balancing >> Balancing Procedure

Balancing Procedure

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Important:  The refrigerant oil in the A/C system must be balanced during compressor replacement. Follow the balancing instructions provided with the compressor.

  1. The replacement compressor is shipped without refrigerant oil.
  2. Calculate the amount of refrigerant oil required for oil balancing.

    Compare the following refrigerant oil capacities:

    • The amount drained and recorded during compressor removal.
    • The amount recommended for component replacement. Refer to REFRIGERANT SYSTEM CAPACITIES .
  3. Add the greater amount of refrigerant oil to the A/C compressor.
    Fig 1: Adding Refrigerant Oil To A/C Compressor
    G01466817Courtesy of GENERAL MOTORS CORP.
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