google r134 p&t chart
If you have a manifold that shows the low pressure degº F conversion, yo want to set it up above 32ºF (freezing) when the engine is turning about highway speeds. 2200?
Also, have the windows open, set to fresh air, and fan blower full high
Too much refrigerant and it gets warm and run the risk of damaging when liquid refrigerant goes into the compressor
NO AIR,,, don't let air into the sealed system, it is not condensable at these pressures. Burp your hoses / manifold
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Many times I search and find the same exact fault that I am having, someone suggests how to fix it, the patron follows the suggestion and then never returns to say YEA! or NAY...
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Cheers!
