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Tips on removing rounded off tranny fill bolt

Old 07-13-2009, 10:13 PM
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Tips on removing rounded off tranny fill bolt

So I was planning on replacing my tranny fluid but it looks like the previous owner stripped off the bolt and I cant get a wrench on it, it just strips more. I can get a good grip with channel locks but it wont budge. Should I use a torch?

What else could i try? I already have a new bolt ($5 from toyota) So i dont care if i destroy this bolt. I just want it off. haha.

This is the fill bolt btw.

Last edited by Tubbyfatty; 07-13-2009 at 10:24 PM.
Old 07-13-2009, 11:00 PM
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have a nut welded on ?
Old 07-13-2009, 11:33 PM
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Old 07-13-2009, 11:37 PM
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I dont have a welder. what else could i try before i try that?
Old 07-13-2009, 11:38 PM
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any shop prob wont charge u much to have it done
Old 07-13-2009, 11:43 PM
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um use the chanel locks and tap with a hammer?
Old 07-14-2009, 01:11 AM
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Best bet, have a peice of 12" long by 1 or .5" wide tac welded to it to break it free. (As long asit can be reached that way) It works wonders that way for stripped bolts (Espcially diff drain plugs) and as another poster said any welding shop might charge ya $5 to do it, or post up tha you need a fellow YT'r near Hillsboro Or to help ya out!


Good luck! And next time.... Anti Seize!!!! (and a good quality bolt so it won;t strip as easily!
Old 07-14-2009, 02:39 AM
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I would cut a groove across the head of the bolt with a zip wheel or hack saw so you can put a thick heavy duty flat head screw driver in it to turn it if it is accessible enough to do that
Old 07-14-2009, 03:13 AM
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Maybe vice grips if you can't find a welder.
Old 07-14-2009, 03:58 AM
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Pipe wrench with a cheater bar.

You could always fill it through the top.
Old 07-14-2009, 05:09 AM
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http://www.irwin.com/irwin/consumer/...IrwinCat100511

Bolt extractor. Best investment I ever made.

Last edited by BoostinChick; 07-14-2009 at 05:34 AM.
Old 07-14-2009, 05:26 AM
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That bolt extractor kit looks like something worth having.
Old 07-14-2009, 05:34 AM
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Originally Posted by GorgeRunner
That bolt extractor kit looks like something worth having.
It is worth every penny. I have used it more than once and for me it has a 100% success rate of getting a bolt out.
Old 07-14-2009, 05:40 AM
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I really like torches; but sometimes they are not practical. I'm going to check out those extractors.
Old 07-14-2009, 06:39 AM
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Alright thanks for the tips, my friend has a welder, ive just got to wait a few days since he is out of wire.

Ill try the pipe wrench and tap the bolt with a hammer before i get the weldin. Ill let you all know how it goes haha.
Old 07-14-2009, 08:02 AM
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IS it already empy, if so fill it throught the shifter assembly.
Old 07-14-2009, 08:44 AM
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I have taken off numerous over-tightened or rounded off bolts with "that just right chisel" and a love tap from a hammer.
Old 07-14-2009, 08:50 AM
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Those bolt extractors are worth it. If you can't get it off with one of those then I don't know what would work. They have come in handy numerous times. Not that much either.
Old 07-14-2009, 09:38 AM
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Originally Posted by yodathespian87
Those bolt extractors are worth it. If you can't get it off with one of those then I don't know what would work. They have come in handy numerous times. Not that much either.


I agree and can attest to this (as I posted already).
Old 07-14-2009, 09:40 AM
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Originally Posted by Evil.Dingo
IS it already empy, if so fill it throught the shifter assembly.
No its not empty, i was smart for once and tried the fill bolt before the drain haha.

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