Good idea, will pinch off the hose going to the heater core as a test. I've converted other cars to 134a and had fine results. This one is strange.
Quote:
Originally Posted by nelbur
I wonder if your heater core is getting some hot water through a leaky shut off valve. 134a is not the problem. I have converted two R-12 systems to 134a, and had trouble with one system freezing ice in the evaporator, so 134a can put out cold air.
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