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Home >> Mazda >> 2005 >> 3 s, 4D Hatchback, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Basic System (HVAC) >> A/C Compressor Removal/Installation >> A/C Compressor Installation Note

A/C Compressor Installation Note

CAUTION:
  • Due to the high moisture-absorption characteristics of the compressor oil, it may absorb moisture if left over a long period of time thereby negatively affecting A/C operation. Drain the compressor oil and refill within 10 min. of each other.
  1. Rotate new A/C compressor shaft six to eight revolutions while collecting refrigerant oil in a clean measuring device. Use this refrigerant oil to refill new compressor. Do not allow refrigerant oil to become contaminated.
  2. Rotate old A/C compressor shaft six to eight revolutions while collecting refrigerant oil in a separate, clean measuring device.
  3. Compare those oil amounts. The amount of the oil drained from the new A/C compressor should be greater than the old one.
  4. Pour the same amount oil of drained from the old A/C compressor back into the new A/C compressor.

    A/C compressor oil type 

    • ATMOS GU10 

    A/C compressor oil sealed volume (approx. quantity) 

    • 155 ml {155 cc, 5.24 fl oz} 
      Fig 1: Determining Amount Of Oil For New Compressor
      G03636707Courtesy of MAZDA MOTORS CORP.