Search results

If the back of the boss is in air then drilling all the way through for the purpose of getting at both ends of the broken bolt isn't a big problem. If it backs up to metal then leave it a blind hole. They must have done it that way for a reason. Bolts die from a variety of reasons...

Bjorn, what size is the current through hole you've drilled? From the pictures it looks like you've still got a ways to go before you get close to the threads; and, the bore hole needs to be the entire length of the broken piece as it's purpose is chiefly to relieve the inner strength so as to...

Bjorn, Looks like you can get a good shot at it with the belts loosened and the alternator swung out of the way. I began using left-hand twist drills a while back with pretty good success. Start by making sure the broken bolt end is as flat as it cen be. Next, punch a center mark to make sure...