Cummins is not able to replace heater hoses!
I took the MH to Rocky Mountain Cummins yesterday and they said there was no way to replace the 2 heater hoses that run front to back on our Spartan chassis. The hoses run thru the chassis tubular ste...
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had nearly the same problem. solution was to run a smaller diameter copper line thru the old hose and reattach with new ends.
