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Car Forum / Mazda / Mazda Miata / July 2004Miata A/C
I am looking to buy a used Miata and I would like to know what year they changed from R12 to R134A. I don't want to consider any that use R12 in the A/c. Are there any particular years that are better than others? Thanks. 1994-onwards are CFC-free. > I am looking to buy a used Miata and I would like to know what year they > changed [quoted text clipped - 6 lines] > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.719 / Virus Database: 475 - Release Date: 7/12/2004 Just about anything else you might want to know is located at the home page of miata.net go to FAQ's under 'tech' (top-left of page. Chris 92BB&T > 1994-onwards are CFC-free. > [quoted text clipped - 8 lines] > > Checked by AVG anti-virus system (http://www.grisoft.com). > > Version: 6.0.719 / Virus Database: 475 - Release Date: 7/12/2004 Thanks for the info. > I am looking to buy a used Miata and I would like to know what year they > changed > from R12 to R134A. I don't want to consider any that use R12 in the A/c. > Are there any particular years that are better than others? > Thanks. > I am looking to buy a used Miata and I would like to know what year they > changed > from R12 to R134A. I don't want to consider any that use R12 in the A/c. > Are there any particular years that are better than others? > Thanks. Ok, I lamented and fretted over this same issue with my '91 Miata. It was low on Freon and R12 was not an option. So for the cost of $80, I took the offer of a service station that changed the stock nipples on the A/C of my '91 Miata and proceeded to pump R134A into it. The service tech said that the original strict mandate about upgrading other parts of the A/C were officially waived in lieu of evidence that using the existing parts with new nipples was good enough. So far, so good! >> I am looking to buy a used Miata and I would like to know what year they >> changed [quoted text clipped - 9 lines] >officially waived in lieu of evidence that using the existing parts with new >nipples was good enough. So far, so good! Is there a reduction in cooling? Leon  SignatureLeon van Dommelen :) Bozo, the White 96 Sebring Miata .) To reply to me, the word Miata must be in the subject. EXIT THE INTERSTATES (Jamie Jensen) When I added a stock A/C system to my 1986 Toyota pickup, I converted it to R134a. In addition to the new nipples, it has R134a compatible oil and new O-rings that are R134a compatible. I also had all of the lines, etc., flushed out since I took the parts off of a wrecked pickup. Works just fine. > > I am looking to buy a used Miata and I would like to know what year they > > changed [quoted text clipped - 9 lines] > officially waived in lieu of evidence that using the existing parts with new > nipples was good enough. So far, so good! The old oil did need to be flushed out and replaced. There were some issues with some compressors that used plastic reed valves. Seems the new oil and R134a caused them to fail. I believe that the compressors at risk were mostly on US made cars and small trucks. Does pancake compressor ring a bell? > When I added a stock A/C system to my 1986 Toyota pickup, I converted it > to [quoted text clipped - 22 lines] > new >> nipples was good enough. So far, so good! |
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