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Ice forming on the evaporator is a charge issue most of the time. He has a block style expansion valve (internally balanced) which is completely different (externally balanced) from which Randy (link above) is talking about on a HVAC or section 608 of the EPA, not 609 which is MVAC.
I would replace the Schrader valves, pull a vacuum and charge up with R134a, a HCFC.
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83 944
91 FJ80
84 Ram Charger (now gone)
Last edited by mattdavis11; 01-04-2023 at 07:52 AM..
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