Don't do much diesel work, but occasionally have a brain [...] is a 2003 w5500 chev truck but with a 4 cylinder isuzu diesel [...] came in with a noise like aq huge vacuum leak coming from exhaust brake on exhaust [...] and installed new unit from manufacturer...

FIX posted 2/9/2007

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle