Quote:
Originally Posted by LXtasy
Gerald, we have leak detectors/sniffers we can use. But , I prefer to isolate the system and use nitrogen and pressurized it to 250-300 psi and listening for the "hissing".
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Wow! Your ears are better than my old ears! Too much gunfire through the years, I guess!
On automobiles, I have a few diagnostic fittings made up for domestic autos for just hooking up to an evaporator only and doing a pressure hold test. This way, I know for sure whether to deliver the bad news that the dash has to come out!