Thread: Changing freon
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Old 08-30-2002, 08:45 PM
kip Foss kip Foss is offline
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Join Date: Jul 2002
Location: S. Texas
Posts: 1,237
Changing freon

I have a '77 450slc with a relatively new R-12 A/C compressor. System works but here is S. Texas it is battling to keep up. Although I can get the system charged with R-12 in Mexico it is a bit of a trip that I would rather not make. Can I (as some have told me) just charge the system with R-134? Some say the pressures required for R-134 will damage the comp. after a while. If I change the comp. to an R-134 what else should I change? Dryer? Expansion valve? Tks. for the info.
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