Erixx0407 Posted April 12, 2020 Share Posted April 12, 2020 (edited) My dads Mack dump truck seems to be leaking all of the refrigerant out of the ac system. He said the ac stopped blowing cold one day, recharged the system, but the next day it was all hot air again. He said he couldn’t see the leak so he thought it was the evaporator and replaced that. Again recharged the system, But again the next day the ac was blowing hot. He used dye and spent hours with his mechanic looking for the leak with no luck. Is it even leaking? Could the compressor be out? Day cab Mack any info would be much appreciated. Edited April 12, 2020 by Erixx0407 Quote Link to comment Share on other sites More sharing options...
880joe Posted April 12, 2020 Share Posted April 12, 2020 Sometimes they leak around front seal of compressor and it's not visible 1 Quote Link to comment Share on other sites More sharing options...
Erixx0407 Posted April 12, 2020 Author Share Posted April 12, 2020 2 hours ago, 880joe said: Sometimes they leak around front seal of compressor and it's not visible Any way to be sure of it? Quote Link to comment Share on other sites More sharing options...
880joe Posted April 12, 2020 Share Posted April 12, 2020 I never could see mine leaking couldn't find any other place leaking so I replaced the compressor and that fixed my leak Quote Link to comment Share on other sites More sharing options...
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