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A picture of my expansion valve is attached. I don't know what type it is.
I doubt my use of the probe is approved in any of the repair manuals, but I was using it more of a relative measure, ie- the suction fitting at the compressor is 22* but the fitting at the evap is 50*.
I am 100% sure I measured the exit from the evap because I checked it before and after the oil return line. The oil return line is the small line from the side of the valve that has a threaded connection on it. It attaches to the suction line after the evap.
I am also 100% sure there is no coolant flow. I checked the pipes leading into the core and they were not hot.
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