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How to get a broken drill bit out of the crank pully shaft ona 95 Dodge Neon???

Tried drilling it with a smaller bit but it keeps brakeing the bits..

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  • Cars & Trucks Master
  • 1,209 Answers

Unfortunately you might be in need of an expert. Drill bits are hardened, unlike your crank shaft. A machinist is usually well versed in broken bolt removal and they might just have an ultrasonic extractor. Getting a broken off hardened anything in usually not something I would recommend to the un-experienced.

Posted on Apr 21, 2013


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SOURCE: spare tire key f-250 super duty diesel pickup

Here's a link to an interesting article on beating the factory spare tire lock on the Ford's. Use it responsibly, lol.

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SOURCE: dodge ram 1500 wobble when braking

there is chrysler TSB 02-001-07 Rev. A. that addresses this issue. it requires replacement of the control arm bushings. if your vehicle is still under warranty this will be covered. if your dealership has the parts the repair takes about 4 hours

Posted on Jan 22, 2009

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SOURCE: Exaust manifold replacement

Stud removal can be either very hard or easy. Just depends on how hard access is to the stud. You will need to center punch the broken stud. Then use a very good high speed steel drill bit to drill a pilot hole in to the stud. Tap an easy out in to the hole you drilled into the stud and hopefully it will break loose. Worse case scenario is you might have to remove the head and use a torch to heat it for removal or actually use the torch to blow it out of the hole. If you must remove the head and need to use a torch to remove the stud send the head out to a good machine shop. These shops have people there that are qualified to do this process. To much heat can damage the threads in the hole or ruin the head. Good luck. If you ahve more questions please feel free to ask.

Posted on Mar 05, 2009

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SOURCE: my t25 vw transporta crank shaft pully split is it

Yes, the inner and outer sections are pernamently fixed together with a thin layer of bonded rubber. This is to act as a torsional vibration damper. If they have come apart at the rubber then it will have to be replaced.

Posted on Jul 20, 2009

  • 583 Answers

SOURCE: I have a Dewalt drill and the bit is stuck. I

a pair of multi grips on the top part of the chuck and another pair on the bottom bit ,going in opposite directions[ the right way to undo it ] will useually get it open --- try it

Posted on Nov 09, 2009

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How do i remove a broken harmonic balancer bolt in my 1999 mitisubisii montero sport

are we talking about one of the small bolts that hold a belt pully onto the balancer? Or the large bolt in the middle that holds the balancer to the crank? Either one will be the same procedure, but if it is a small bolt and proves troublesome to get to, you can always remove the balancer and take it to a machine shop to aide you in the removal. If it is the main bolt in the crank shaft you will have to do it in place.
You will need a good sharp center punch and hammer to ding the exact center of the broken bolt. Then a good drill bit and drill set on slow (you drill too fast and you generate too much heat you just accomplish work hardening the broken bolt and dulling the bit.) anyway, you will also need a bolt extractor. Make sure your drill bit is the right size for the extractor and the extractor is the right size for the bit. Punch the dead center of the bolt and start drilling you will want some high temp oil to lube the bit and keep it cool while drilling, you also need to make sure that you hold the drill at a right angle and keep it straight all of the way in until it is deep enough for the extractor to grab the inside of the hole you have made. Strike the extractor solidly with your hammer to set it and cross fingers that when you try to back the broken bolt out it moves. If this fails you might need to completely drill the hole larger and install an insert, or heli-coil to repair the hole.

Aug 03, 2014 | Cars & Trucks

1 Answer

I have a bolt broken off that someone tried to drill out and now i have to find something that will drill through a broken drill bit help?

You can not drill thru a broke drill bit,it is hardened

Have to try & chip it out first

If you get to a point where you have drilled some & have
a hold on it, heat the spot some & try a short left hand drill bit
to turn it out

They are avail at tool supply stores

Jan 30, 2013 | Chevrolet 3500 Cars & Trucks

1 Answer

How to get my ignition lock out


Test fit a drill bit in the lock cylinder. You want a bit that is just smaller than the cylinder. You will be using hardened drill bits to cut through the cylinder, since ordinary bits may be damaged by drilling metal.

Lock the drill bit into the drill chuck and tighten the chuck.

production in very fast delivery! special threading taps, plug gauge

Drill a starter groove into the lock cylinder. Start the drill on a low speed and create a groove in the end of the lock cylinder. You don't need to create a deep hole, just enough of a groove so that the drill bit will not slip on a higher speed.

Increase the drill speed to the highest setting and drill out the lock cylinder. Let the drill do the work. If you force the drill into the lock cylinder, you could burn out the rotor inside the drill motor

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1 Answer

I have a 2001 pt cruiser. I'm changing the crank

ok this is tough, im assuming the bolt has broken and your left with the removel of the threaded end of the bolt. the only thing i can think of is to drill out the center of the bolt with a smaller sized drill bit about 2 to 3 sizes smaller than the actual bolt shaft [make sure you center the hole as best you can so not to marr the threads so the new bolt will tighten properly] this will take alot of cutting oil as you drill try to go in at least half the bolt length. then you will need to tap the new hole with a LEFT HANDED TAP slighty bigger than the drill bit used to make the hole. [ again i dont know the size of bolt we are talking about] then with a left handed bolt start the bolt in your new threades. because you are tightining turning to the left as the new bolt bottoms out it will be loosening the broken bolt. i dont know how much room you have i beleave this is on the backside of the motor.. again i hope this helps i have done this before on various equipment and it works for me [most of the time] good luck

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Tried to remove my crank sensor in my '01 manual dodge Dakota and it broke off. Any idea how to get it out now?

if you can still see it try drilling a small hole and pull it out with the drill bit

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Remove broken ignition key on 93 dodge spirit

try prying a small flat head screw driver like something you would use for eye glasses or try a very small drill bit and drill slowly in to key to pull out,or call a locksmith

Jul 29, 2010 | 1991 Dodge Spirit

2 Answers

I was attempting to replace my thermostat adn i broke both stems to the thermostat HELP!!!!!!!!!!

That's because of corrosion. It happens!

The broken studs have to be cut, or ground down flush, with the thermostat housing. Then a center punch is used to make a deep dimple, in the center of the broken stud.

Next use a small drill bit to make a pilot hole.
Two times smaller than the stud. (Bolt)
Use caution, as you don't want the drill bit to walk off to one side. Keep the drill level, and vertical.

Now come back with a larger drill bit, but one that is smaller than the stud/bolt, and will stay away from the threads. Try to drill at least one-half inch in depth. Use an Easy Out, bolt extractor.

If it feels as though the Easy Out bolt extractor, is being forced too much, and you think there is a possibility of it breaking, STOP!
Use a drill bit that is large enough, to drill a hole that will not touch the threads. Then work a small chisel along the outside edges of the bolt 'Shell', and work that thin shell to the inside. Use a pair of needle nose pliers to try to extract the shell out. One piece at a time.

(After you have drilled the center of a stud, or bolt, out to where the threads are, there is a thin metal shell left behind)

Jun 12, 2009 | 1991 Chevrolet Caprice

1 Answer

Header tried solutions offered previously

First, is the head off or is the bolt easily reachable? Your problem is common. The bits may be snapping because you are either pressing too hard or are changing angle while drill is in motion. The best thing you can do is first make a bit guide...Take a piece of steel at least 1/4" thick that is long enough to reach two adjacent bolts (use manifold as a template) drill both holes to the size of the studs. The one for the broken bolt should be substantially smaller and centered over the broken stud. Drill first with a bit of the same size you used to make the pilot hole. then go up to a size just slightly smaller than the stud, so threads are not damaged. I like using a reverse twist bit for this because the drill force and heat caused by drilling will often back the stud out. But those bits are hard to find. after the hole has been drilled, use a straight type thread remover (not an "easy out" ...they spread the stud and exert force against the threads actually making removal harder) straight type removers look a lot like torks bits and are tapped into place creating grooves that help turn the stud. you can apply some heat to the area, but generally just turn the stud out slowly, use lots of solvent and after each turn out, run it back in to clean the threads and prevent binding. Funny...It takes longer to write this than it does to actually do it!!! When replacing, put anti-seize compound on the new stud.
Good luck! Don't drive with broken will warp the manifold.

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1 Answer

Removing rear wiper arm 1992 grand caravan

If this is a factory wiper arm look at the area where it hinges. There should be a small hole in the metal. Find a drill bit or shaft that fits the hole. Lift up on the arm, insert the drill bit. When you release the arm it should be raised of the glass supported by the drill bit. Now without pressure applied to the glass you should be able to wiggle it off the shaft of the motor. Hope that helps.

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