Without being there and actually seeing the situation my advice is to drill a LARGE hole now and tap it. Get a piece of round aluminum stock and have it threaded to go into the hole. Using some type of sealing compound, screw it in and cut off and grind flush. Now position the manifold on the engine and locate the bolt hole with a transfer punch. Drill and tap for the bolt being careful not to go too deep. This should help you out. Welding is not an option since you cannot weld inside the hole. The hardest part is getting the angle right. You may have to find the services of a local machinist, this can be done with the engine in the car. David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, "jpalatinus" <jopalatinus@xxxx> wrote: > Well, I am not having a good new year. I removed my intake manifold > to fix a coolant leak and broke off one of the bolts (the rear right > one on the passenger side) I drilled a hole in it to put in a screw > extractor and the screw extractor broke. I bought a helicoil kit > and began to drill out the hole.using a 7/32 bit. The hardened > steel bolt was difficult to drill, and I guess the aluminum was > easier. I put the intake back on just to line the holes up and I > drilled a little too much too much to the left and coolant started > spewing out of the hole I was drilling. I also see coolant in the > right rear intake hole indicating perhaps that it went to the > cylinder? I uploaded a picture of the hole in the archieves under > ruined engine. I am guessing this is the case right? Is there a > way to fix such a hole other than complete engine replacement?, Or > am I just screwed. Is there hope for my car, can it be welded? > > > Joe P. > 6808 17167