Head prob's... busted exhaust stud. Idea's? - Wrist Twisters
 
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post #1 of 26 Old 06-03-2012, 10:08 AM Thread Starter
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Head prob's... busted exhaust stud. Idea's?

Of course this had to happen on the last stud/bolt removal at 3:30am in the morning... called it a night!

I've tried vise grips (large and small), clamping a drill chuck directly to the stub, etc... everything except drilling and an easy out - seem's seized in there and not really wanting to trash a extractor.

Anyone recover or have a suggestion that's worked for them?
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post #2 of 26 Old 06-03-2012, 10:13 AM
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Can you apply heat to it with a torch? I would try that and vise grips again.

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post #3 of 26 Old 06-03-2012, 10:19 AM
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Quote:
Originally Posted by marylandmike View Post
Can you apply heat to it with a torch? I would try that and vise grips again.
+1, spray some pb blaster, let soak a bit, heat the head a bit then try the vice grips again.

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post #4 of 26 Old 06-03-2012, 10:36 AM
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If u have a mig welder tack a nut on the end. Unplug the battery and ecu first.

If not heat the hell out of it. I use map gas, its better then base propane. Also smack the casting on either side with a brass drift and hammer to crack the threads loose. Then try vice grips.



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post #5 of 26 Old 06-03-2012, 10:47 AM Thread Starter
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Jumping on the mountain bike and riding to Ace (only 5miles away) for a flat or needle nose type set of vise grips... bastards keep slipping, heating hasn't helped yet either.

Sold my MIG last summer - had bills to pay!

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post #6 of 26 Old 06-03-2012, 11:03 AM
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Ah crap dude, that really sucks! If you need a 2nd pair of hands let me know!

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post #7 of 26 Old 06-03-2012, 11:12 AM
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I'm sure you prolly wacked the end of the bolt with a heavy hammer to help break any seized threads? As well as PB blaster and heating the area around the bolt, but not the bolt itself? If you've already done all of that, soak it with PB blaster again, and leave it alone for awhile, always come out easier when your not stressed out about it....lol





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post #8 of 26 Old 06-03-2012, 11:22 AM Thread Starter
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Quote:
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Ah crap dude, that really sucks! If you need a 2nd pair of hands let me know!
If you wanted to get out house and make the haul down here I wouldn't say no! lolz

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post #9 of 26 Old 06-03-2012, 11:26 AM
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Quote:
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If you wanted to get out house and make the haul down here I wouldn't say no! lolz
lol. alright but i'll do it on the bike this time. the gas yesterday just about killed me

i have a bbq with the inlaws from 1-3 so after that i'm available. just text me to let me know whats up and i'll swing by if you still need help, cool?

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post #10 of 26 Old 06-03-2012, 11:30 AM Thread Starter
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Quote:
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... just text me to let me know whats up and i'll swing by if you still need help, cool?
You got it! Going to try and rig something 2day to address the fork too...

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post #11 of 26 Old 06-03-2012, 11:36 AM
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Computer stores and such sell "Air In A Can"

If you turn this little spray can upside down, the freezing liquid comes out of it. You can then spray it on the stud only. You'll have to use a bunch. This my cause the stud to shrink ever so slightly and 'bust' some of the grip the head has on it allowing you to back it out with a vice grip.

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post #12 of 26 Old 06-03-2012, 11:45 AM
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hey Luda, I have said can of air like bigdaa described. if you still cant get the bolt out and you dont have any of the "air in a can" stuff let me know and i'll bring it over.

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post #13 of 26 Old 06-03-2012, 12:01 PM Thread Starter
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Quote:
Originally Posted by Bigdaa View Post
Computer stores and such sell "Air In A Can"

If you turn this little spray can upside down, the freezing liquid comes out of it. You can then spray it on the stud only. You'll have to use a bunch. This my cause the stud to shrink ever so slightly and 'bust' some of the grip the head has on it allowing you to back it out with a vice grip.
Never crossed my mind to "freeze" it... think I might have a can of that somewhere.

Pvster - are you riding to that BBQ and bailing for here if I do need the help? The can and vise grips would be handy as I've yet to go anywhere.

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post #14 of 26 Old 06-03-2012, 01:25 PM
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not riding since my wife will be with me but the inlaws are 5 minutes from my house so no sweat. just let me know via text at around 3 and we'll go from there. if you need vice grips i can bring some as well.

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post #15 of 26 Old 06-03-2012, 01:34 PM
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post #16 of 26 Old 06-03-2012, 01:44 PM
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We have "cold spray" like that at work. Works great!

Quick funny story:

Co-worker used a full can of "cold spray" on a suspension bolt on his car at home. Didn't work so he quickly turned grabbed a propane torch to heat the casting........click.......BOOM

Fumes in the wheelwell ignited, giant fire ball flash singed his eyebrows and facial hair off!!!

No major damage to him his car or garage, just scared the shit out of himself.

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post #17 of 26 Old 06-03-2012, 02:16 PM Thread Starter
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After the vise grips trashed what little was left I even ground a notch for a impact driver and that failed.

Almost got it now though... old fashion way, drill some... check depth (and alignment), drill some more, etc... so on and so forth.

PV- Will be good go bro, enjoy the Sunday afternoon w your wife - really appreciate the offer to come down 2 days in a row!
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post #18 of 26 Old 06-03-2012, 02:39 PM
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well now that you drilled into it my suggestion wont work.

But in the future... find yourself a can of AeroKroil ... liquid wrench, pb blaster are childs play to this shit.

and that loctite freeze off stuff is exactly the same as canned air upside down.

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post #19 of 26 Old 06-03-2012, 03:19 PM Thread Starter
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8x24 by what pitch are the studs.... anyone? 1.0, 1.25

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- pretty much stock... <-- haha
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post #20 of 26 Old 06-03-2012, 03:35 PM
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One sec I will go check.......


M8x1.25 the advantages of having an extra cylinders head lying around. =)

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post #21 of 26 Old 06-03-2012, 03:43 PM
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post #22 of 26 Old 06-03-2012, 04:24 PM Thread Starter
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thanks... narrowed it down as well, this job is a WRAP!!!!!!!!!!!!!!!!

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post #23 of 26 Old 06-03-2012, 05:10 PM Thread Starter
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Quote:
Originally Posted by pdx_luda View Post
thanks... narrowed it down as well, this job is a WRAP!!!!!!!!!!!!!!!!
Spoke too flippin' soon...

Decided to chuck all the old header H/W and remembered that 2 studs remained, got 1 of them - the other is seized too! Decided to call it a day before I ended up kicking the bike over. Will pickup some of that spray shit you guys had mentioned this week... jesus, I am still in my PJ's from last night at it's 5pm here in Oregon and I ain't ate a god damn thing yet today.

Over and out!

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post #24 of 26 Old 06-03-2012, 05:15 PM
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post #25 of 26 Old 06-05-2012, 04:01 PM
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I just had a similar experience trying to get case screws out of my dirtbike. Luckily I didn't go too ape on them when they started stripping heads, I waited two days before I could get an impact driver, then smacked the crap out of them.

Finally got the last three out last night.


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post #26 of 26 Old 06-09-2012, 05:51 AM Thread Starter
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Ended up getting a bottle of the PB stuff (as well as freeze spray which I didn't need after all) - 2 short little blasts and I could of used tweezers to pull the sucker out....

Impressive!

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