broken bolt..HELP!!
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Freshman User
Joined: Jan 2001
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broken bolt..HELP!!
I broke a bolt on my water pump..it is the one that helps align the air conditioner assembly.it has about 1" left in there..it broke right where the threads start. can it be drilled out or what? HELP>>>>
95 f150 351 5.8
95 f150 351 5.8
Tuned
Joined: Nov 2000
Posts: 426
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From: houston, texas (now Berli
broken bolt..HELP!!
Depending on how much bolt you got sticking out, you might try to use a Dremel or similar tool to cut a slot into the bolt and use a strong straight screwdriver (and a LOT of WD40) to get it out.
Otherwise, I'm afraid you'll have to try and drill an undersized hole into the bolt, tap it with a 'wrong' i.e. counterclockwise cutter and try to get it out with the smaller bolt.
Trying to drill the whole bolt out will be difficult without a drillpress assuring exact alignment of bolt and drill-bit.
Just my .02$
Otherwise, I'm afraid you'll have to try and drill an undersized hole into the bolt, tap it with a 'wrong' i.e. counterclockwise cutter and try to get it out with the smaller bolt.
Trying to drill the whole bolt out will be difficult without a drillpress assuring exact alignment of bolt and drill-bit.
Just my .02$
Elder User
Joined: Sep 2000
Posts: 931
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From: Stanton, Suffolk England
broken bolt..HELP!!
Might be able to drill the bolt and use an easy out, I personnaly have found that they are great about breaking off in boltholes and are about 10 times harder than any know drill bit. Good luck. If enough is sticking out try to carefully get ahold of it with vise grips and work it out. Use lots of lube. I use Castle brand Thrust, works great.
Brad Godkin
1986 F350 CC/SRW
6.9liter/C6
Brad Godkin
1986 F350 CC/SRW
6.9liter/C6
Elder User
Joined: Jun 1999
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From: SE PA
broken bolt..HELP!!
If you have to do the drill thing, look into obtaining a "reverse" drill bit. Most machine shops will have these and sometimes when using one you will get lucky and the bit will spin it out. You do need a reversable drill to go along with this as it's nothing more than a drill bit fluted in the opposite direction of a normal bit.
Senior User
Joined: Nov 2000
Posts: 122
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broken bolt..HELP!!
[font size="1" color="#FF0000"]LAST EDITED ON 02-Feb-01 AT 05:17 PM (EST)[/font][p]In addition to the suggestions above, (and grabbing the end w/ visegrips, etc..., if possible, would be my first choice) I would suggest the judicious application of heat, after soaking w/ P.B. Blaster for a few days. Specically, even just a propane torch to begin with, which I believe are only in the 800 degree range--I have had this small amount of heat make the difference before. Also, I believe in alternatively heating and quenching w/ a solvent like P.B. Blaster as it may help "draw" the stuff in.
I don't know what others think, but if you're CAREFUL, you could use the greater heat available from an oxy/acetylene torch. I have gone so far as to use my oxy/acetylene "fire wrench" to heat the aluminum intake manifold enough to free EGR bolts, so if you only need a little more heat than propane, you should be able to do this without damaging the iron block. But be CAREFUL: oxy/acetylene is good for about 5,600 degrees F.!
I don't know what others think, but if you're CAREFUL, you could use the greater heat available from an oxy/acetylene torch. I have gone so far as to use my oxy/acetylene "fire wrench" to heat the aluminum intake manifold enough to free EGR bolts, so if you only need a little more heat than propane, you should be able to do this without damaging the iron block. But be CAREFUL: oxy/acetylene is good for about 5,600 degrees F.!
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Freshman User
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broken bolt..HELP!!
There is no stub to grab. will have to be drilled out and will be a first for me...... ^$#&%$ water pump!!!
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broken bolt..HELP!!
drill it out if you have to. then use a tap to clean up the threads. if they are bad, go to a parts house and get a helicoil thread repair kit. your not the first or last to be in this situation. just take your time and be patient, you don't want to create further problems. lol.
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From: USA
broken bolt..HELP!!
> oh yeah, i find it easier to drill these out using an angle
>drill, preferably an air powered one, they give more working
>angles so you can get in there better.
Hi, I was lossening waterpump bolts on my 85 351W an sprayed them with lots of liquid wrench ;but the upper right bolt just above the right hand water passage broke off right where the threads start.
I tried more liquid wrench and some other type of penetrant. I waited before trying a vicegrips several time. the bolt will not budge but the threads seem to crumble away. I suppose I will be drilling it out. Thanks guys;this site has been very helpful. Tony
>drill, preferably an air powered one, they give more working
>angles so you can get in there better.
Hi, I was lossening waterpump bolts on my 85 351W an sprayed them with lots of liquid wrench ;but the upper right bolt just above the right hand water passage broke off right where the threads start.
I tried more liquid wrench and some other type of penetrant. I waited before trying a vicegrips several time. the bolt will not budge but the threads seem to crumble away. I suppose I will be drilling it out. Thanks guys;this site has been very helpful. Tony
Senior User
Joined: Aug 2001
Posts: 387
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From: MCBH Kaneohe Bay, HI
broken bolt..HELP!!
whacha do is drill a small hole about a quarter inch that is half the size of the bolt hole and then soak the whole thing in a penetrating oil. Then take a ez out and using a tap wrench screw that thing in counter clockwise until the bolt hole comes out enough to grab with a pipe wrench depending on how deep it goes. This works everytime at the truck shop. Depending on the material, I sometimes use the oxyacetylene torch to heat it up and then quench it down with some penetrant. Good luck and be patient.
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