john510 Posted June 17, 2015 Share Posted June 17, 2015 (edited) Replacing the two hoses along with expansion block on the ac system of a 1997 ch613 and the new hose Mack trying to supply me is turned the opposite direction so the switch that screws in to the line by the expansion block will not fit.. does any one else have this problem or can you supply a picture of yours? this picture shows a generic one the blue arrow points to the line that has a switch on the end..Oh one other thing I have 2 of these pressure switches one on the bottle up from and this one on the line why 2 of them? Edited June 17, 2015 by john510 Quote Link to comment https://www.bigmacktrucks.com/topic/40530-97-ch613-ac-expansion-block-hose-problem/ Share on other sites More sharing options...
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