I have a 1997 Oldsmobile Aurora that I recently recharged the AC on. After I filled the system yesterday with freon it started finally blowing out cold, but today its blowing warm again. The compressor works fine. Any answers?
Several- The system should hold freon for years without leaking. There are pressure switches and they cut off the compressor with an undercharge and an overcharge. You need guages to measure the charge. There are testers the A/C shops have called "sniffers" which can detect a leak. If you have no leak then you need a technician to add or remove freon to get the concentration right. Or you need guages.
Two probabile issues:
Best of luck with your problem and thanks for using Fixya.
Greg
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