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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

01 tahoe a/c problem

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Old May 2nd, 2012 | 9:15 PM
  #31  
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Originally Posted by evans906
The ozone layer maybe a hoax, and the hole open up and what not, but does R12A react with the different a/c system oils? Does it corrode the a/c lines? Does it brake down the O-rings? If the manufacture recommend R134A why not use R134A? My god are we that dumb, that we have to use a flammable refrigerant to save a couple of dollars? Lets think safety here, use what is recommended by the manufacture.
R12 and R134a oils are not compatible, so if you convert a R12 system to R134a, you have to make sure that the system is thoroughly flushed. Not positive but I don't think the O-rings are compatible either. Plus the R134a is not as efficient so the old system won't cool as well.

Why would R12 corrode the lines?
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