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1999 Suburban LT – AC Not Cold
Ok we have a 1999 Suburban LT (4x4) with 209,000 miles. Last summer the AC seemed to work ok (could have been colder) but toward the end of summer wasn’t blowing near as cold as it should have. Today (80 deg) started engine up added just a little 134a but neither the front nor the back is blowing cold at ALL. I don’t really know anything about the AC system but the AC clutch engages for 5-10 seconds then disengages for about the same amount of time then engages again. Seems to be short cycling to me. We’ve driven about 15 miles and nothing really changed. Any suggestions?
Thanks,
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