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How many cans of R-134 do I need?
I have searched and found that R-134 should be charged to 85% of an R-12 system. What does this equate to in cans? I have a 1982 240D. I evacuated the system and it is converted to R-134. I put in three cans. My high side gauge only shows around 60 pounds. I am not trusting my gauges. It blows cold but the compressor is noisy. I think I might have to replace that. Also, is there and orifice tube in these systems? If so, where? Thanks, Paul
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