hey all, whats the best way to remove a broken bolt in the block(starter bolt) closest to the oil pan? i've never broken a starter bolt before,it just grinded, then nothing.any suggestions would be appreciated thanks.:confused::angry:

If you can get a long enough drill bit drill and use an easy out. Make sure it is a large enough easy out, and make sure you center punch and center drill the broken bolt. You may have to remove/slide your oil pan over to accommodate for the drill.

If you have access to a mig welder, put a nut on top of it, and weld the nut to the bolt, I have used as many as 4 nuts to get one out, but it will get it.

If you don't have a mig, maybe you can borrow one, a 110 mig will work, thats what I use, put the nozzle tight to the nut on high voltage, wire feed about half way.

After you have the weld going good, back off a little bit and finish it up, let the redness go away, then start to turn it, just a little bit back and forth, not to much pressure, back and forth, it will come out.

Rob

The metal shop teacher at the Highschool I used to teach auto at would do that for my students that had broken bolts in small engines, but I did not want to give up that advice for fear someone would weld their Ferrous Iron block. If you use the weld method just be very careful and you have to get good penetration on the bolt a well as the nut.

If it's a standard Chevy stater bolt it's unlikely to be bottomed in the hole. I've gotten these type deals fixed before by using a left-handed Cobalt drill bit. If the bolt is not bottomed or crossthreaded this will often work. start drilling, it starts backing out. be extra careful in any case to center-punch the bolt carefully to get dead center.

If there's any sticking out at all you might be able to turn it by using a sharp chisel on the edge, peel up a chip and then get on it with a flat nose punch, tap around a circle. sometimes you can get it out just a thread or so, get hold of it with needle-nose Vise-Grips.

you can also use a thin cut-off wheel on a 1/4" die grinder, carefully cut a slot across the top of the bolt. at this location it doesn't matter if the disc cuts into the block a little, no threads there. use a nice new sharp edged screwdriver, if it has a square shank use use a wrench on it.

sometimes the top thread or 2 threads are pulled a little and it's hard to turn at first, but once you get it moving it gets easier.

If it's a standard Chevy stater bolt it's unlikely to be bottomed in the hole. I've gotten these type deals fixed before by using a left-handed Cobalt drill bit. If the bolt is not bottomed or crossthreaded this will often work. start drilling, it starts backing out. be extra careful in any case to center-punch the bolt carefully to get dead center.

:yes: Yeah, I've done this a couple times with great success! :thumbsup:
Push hard on the drill motor while drilling and the bolt will thread right out.
Be sure your drill motor is running in reverse...;)