Tom, did the stud break off flush with the engine block or did it leave a
little bit sticking out (oh say a half inch?) if it left some sticking out,
then remove the rest of the nuts and/or studs, remove the manifold
completely. Soak the stud with PB blaster for oh say a week (or whatever
amount of time seems appropriate) then take a stud extractor, ($12 at
sears) and it shoud pull it right out for you. If you are not familiar, a
stud extractor fits onto your ratchet and you slide the stud through a hole
which when turned twists a toothed bit into the stud holds it incredibly
tight, (tighter you pull, tighter it holds). That usually does the trick.
If the bolt is sheared off flush with the block, then do the PB Blaster
thing, and find a bolt extractor, drill out the center with the recommended
bit and insert and twist the bolt extractor (BIG HINT!! whatever you do
don't break the bolt extractor, those are an absolute living nightmare to
remove) Ask your local hardware store what size bolt extractor to use. The
set is probably $5.
Hope I helped.
Patrick Bowen
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