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Re[2]: Head's off, broke a head bolt

To: Datsun Roadster List <datsun-roadsters@autox.team.net>
Subject: Re[2]: Head's off, broke a head bolt
From: Douglas E Noble <Douglas.E.Noble@parsons.com>
Date: Thu, 14 Jun 2001 20:58:11 +0000
     Adam/Stan,
     
     In my limited experience under the hood, be careful using the easyouts 
     and go slow.  I have seen (didn't do it) the results of someone using 
     progressively larger easyouts to try and remove a headbolt, and they 
     cracked the head with the force of the easyout on the inside of the 
     headbolt.
     
     Just $0.02...
     
     Doug Noble
     SPL311U-25006
     Vienna, Virginia
     
     
______________________________ Reply Separator _________________________________
Subject: Re: Head's off, broke a head bolt
Author:  Sexmnypwr@aol.com at NetTalk 
Date:    6/14/2001 1:44 PM
     
     
  Adam,
     
  You're lucky it broke off ABOVE the block surface and not below it.  If 
you have enough "grab area" I'd put down a large washer over the broken 
headbolt (to protect accidently gouging the block) and get a pair of 
visegrips.  Heat up the bolt with a heat gun or use WD40 to help loosen up 
the threads.  
  The cleaner way (and also the way if the headbolt was BELOW the block 
surface) would be to get 'easyouts'.  Basically you drill a small hole down 
the center of the headbolt and screwin the easyout (reverse thread, slightly 
larger diameter than the drilled hole).  It bites into the headbolt metal 
and once it bottoms out you keep turning it until unscrews the headbolt.  
  Good luck!
     
  Stan Wada

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