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Well, it came from the factory as an R-12 system. If you're not the original owner of the vehicle, I'd recommend you take it to a shop and have a refrigerant purity test done on it. Many R-12 systems were retrofitted to R-134a, and this cannot be determined by visual inspection, as the retrofitted systems retained the R-12 schrader valves.

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13y ago

What else can I help you with?