Is it possible to service my A/C in my older vehicle that still uses R12?
R12 is no longer available, but older systems can be retrofitted to use R134a.
Quick Summary
Older R12 systems can be retrofitted.
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Answered by Sonny Baird
Last updated 1/16/2026, 3:06:06 PM
The short answer is no, as R12 is no longer available. What we can do is retro-fit your older system to use the newer R134a refrigerant so that you can service it as needed going forward.
Sonny Baird
General Sales Manager, West Mitsubishi
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