More Mack info
whole9yards 04-03-2012
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I had a customer report a problem with the exhaust lines on his MRU MP7 and MP8 engines.  On the passenger side, there are flex lines.  One goes to the turbo and one is below it.  See photo. 

He has had leaks from the bottom flex line melt the plastic hoses and wire insulation inside the frame rails.  He has fabricated aluminum shields to protect the lines.  Regularly checking for dark streaks (leaks) is part of his maintenance procedures.