stripped torx head bolt | Ford Explorer - Ford Ranger Forums - Serious Explorations
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stripped torx head bolt

rogi

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City, State
Ithaca, NY
Year, Model & Trim Level
'2001 XLT
I'm pulling the head off an '01 SOHC XLT due to a presumed blown head gasket.
We've almost got the suspect (left side cyl4-6) head off, but of course the last head bolt is being difficult. It's the back lower bolt (outside the valve cover), and I'm afraid the torx surface is beginning to strip/slip. All the other bolts are loose. Any tips on how to remove this bugger, once the inside of the torx is shot?

Rogi
 



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corkey

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Elite Canuck,multiple ifs offender,, and musky maniac,, i wheel and i fish,,
Year, Model & Trim Level
99 xls,96 xl,91,08 Ranger
once the inside is shot the best method it to drill the head off it with a drill bit that is the same size as the bolt under the head,,
than once you get the head out of the way a stud extractor can be put on the remaining bolt,,
 






rogi

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'2001 XLT
I'm concerned there will not be enough room to drill in back by the firewall (may need a right angle chuck). And if I do get the bolt head drilled off, will there be enough clearance to pull the head over the remaining bolt?

I tried an external extractor last night, but it was not deep enough to clear the head bolt surround and would not bite. So, I was going to try finding either a deep external extractor (a #12), or try an internal extractor with splines.
Is this a waste of time/$?
 












rogi

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'2001 XLT
Good suggestion. Easily done and can only help, but only if I can get a bite on that bolt head (which is now beyond using the Torx)!
 






waskly

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since the torx pattern is probably sripped to a circle why not try extractors.

they are remove twist screw in so the more force to remove the tighter they get in the hole.

something like this
52528.JPG
 






rogi

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'2001 XLT
Yeah, that's what I'm talkin' about! Can they be had individually or must you buy a whole set? Autoparts store, or online?
 






limited05

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2005 Limited Explorer 4x4
pretty sure you can buy them individually
 






lounge lizard

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City, State
Eastern PA
Year, Model & Trim Level
1997 xlt awd
take a nut and weld it to the bolt from the inside of the nut welding down through the threads. so you can put a socket on the outside. the heat will also help loosen up the lock the threads on the bolt have on the block.
 






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