8.1 Workhorse exhaust bolt broken
Have an 8.1 in an 05 Tiffin. Rear most pass side exhaust bolt broken below the mating surface. Any ideas w/o removing the head? Possibly have room to drill and tap not sure. Anyone ever use the KRAL b...
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It's not likely you can drill it out with any success. The way I've done it before is to remove the manifold and sometime there is enough of the broken manifold bolt sticking out of the head to get vice grips on and turn it out, but if not enough sticking out, place an oversized nut over it and then spot weld through the nut to the bolt. Let it cool for a few moments and then turn it out. If the broken bolt is recessed into the surface of the head you will probably have to remove it and take it to a reputable machine shop.
