Reply to "AC Advice Needed"

accobraMember

The obvious is dont use anything from the old system ... and be sure to mention R134a as the refrigerant your using. Because the hoses and gaskets / o rings are different because the chemical make up of the refrigerant is different.

The old system with R12 has ammonia and is compatible with mineral oil, while R134a is compatible with synthetic oil that contains alcohol.

The bad news they are talking about changing the refrigerant in autos AGAIN ...

12/9/129:17 AM

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