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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> HVAC System - General Servicing >> USING R-12 & R-134a REFRIGERANT >> Refrigerant Oils >> Notes

Refrigerant Oils: Notes

Refrigerant R-12 based systems use mineral oil, while R-134a systems use synthetic Polyalkylene Glycol (PAG) oils. Using a mineral oil based lubricant with R-134a will result in A/C compressor failure due to lack of proper lubrication.

Following are the most common R-134a refrigerant oils used by most domestic vehicles:

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