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Home >> Saturn >> 1998 >> SC2 Automatic, MP6 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> HVAC System Compressor Refrigerant Oil Checking >> Checking Compressor Oil >> ZEXEL Rotary Vane

ZEXEL Rotary Vane

  1. Slowly discharge A/C system, using approved refrigerant recovery/recycling equipment. Remove old A/C compressor. Install compressor oil drain Adapters (SA9149AC-5 and SA9149AC-6) to service ports. Drain compressor oil from high-side port first and then low-side port. Rotate compressor clutch plate in both directions to remove oil from compressor. Measure oil amount drained, and discard oil.
  2. New compressors are shipped with 5 ounces of NEW Saturn PAG refrigerant oil and nitrogen gas. Open compressor sealing plugs slowly to release nitrogen gas. Drain and measure oil into a clean container (this oil will be used in new compressor).
  3. Ensure amount of refrigerant oil in replacement compressor is the same as amount removed from old compressor plus amount removed during refrigerant recovery. This represents total system capacity, minus amount retained in components that have not been replaced. See ZEXEL COMPONENT REFRIGERANT OIL CAPACITIES  table. Install compressor. Evacuate, charge and leak test A/C system. Ensure A/C system operates properly.
ZEXEL COMPONENT REFRIGERANT OIL CAPACITIES

Component Ounces
Condenser 0.8
Evaporator 2.3
Receiver-Drier 1.0
Large Refrigerant Loss (1)
System Total 5.0
(1) If a sudden refrigerant loss occurs due to a large leak (hose rupture or collision), approximately 3 ounces of refrigerant oil will be lost. After repairs have been performed, add 3 ounces of NEW refrigerant oil, plus amount required for component replaced.
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