[flybouy]

Another good "rule of thumb" IMHO - find a dealer that works on a lot of diesel trucks if you can. I'm fortunate to have a very large Ford dealer less than 15 miles away that has a truck service dept. They service state and county emergency equipment and always have several diesel F 250 and up construction trucks, delivery trucks, etc. setting in the back waiting for service. Point is, it's a good idea to take a good look around and ask questions in your service dept as to how many diesel mechanics they have etc.