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Transmission Bolt - HOLY #@$%

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Old 07-16-2006, 05:02 PM
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Default Transmission Bolt - HOLY #@$%

Guys,

I've completely demolished the drain bolt on my Silverado's transmission pan (15mm)...any ideas on how to get it out without doing damage?...I want to save the threads on the pan so what should I do?.....

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Old 07-16-2006, 05:09 PM
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What part did you destroy? Can you get some vice grips on the bolt? You could try to drill a hole in it and use an ease-out, but if it was tight enough to break the hex nut off, the ease-out isn't going to remove it.

What exactly happened?
Old 07-16-2006, 05:48 PM
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First, I stripped the bolt with a socket. Then, I drilled it and tried to use a bolt extractor but it wouldn't budge and finally stripped there too. Then, I used an air hammer/chisel and destroyed 2 edges of the hex. Now I've got a mangled bolt with an approx 1/2 in drilled out of the center. I don't want to ruin the threads...any ideas?....
Old 07-16-2006, 06:26 PM
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i like using a cut-off wheel to notch it cleanly, then a huge flat screwdriver.
Old 07-16-2006, 07:32 PM
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weld a bolt on top of it and hit it with a half inch impact. thats the only solution i know of :/
Old 07-16-2006, 07:45 PM
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Take a washer and weld that on to the bolt. Then take another washer, and weld it on. Then take a bigger bolt, and weld it onto the washer. Then get on the nut you welded on square, and back the hole thing out. Ease out's are good if you are working with something on a bench, but for something like your situation, this is your best option, besides dropping the pan.
Old 07-16-2006, 10:47 PM
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for the record you won't get that broke lose with anything short of an impact so go to sears get a bolt out kit and see if it will hold otherwise find a welder and weld a nut on top and hit it with the impact. a socket and ratchet is good for rounding the head on those bolts and thats about it impact is the only way to go.
Old 07-17-2006, 01:08 PM
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...I'll give it a try, thanks!




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