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I've got a big problem. HELP!!

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    I've got a big problem. HELP!!

    Well, I'm replacing my old head bolts (with now washers), with Metric Blue's with washers. And well, I have done 2 bolts. On the third, I was torquing from 25 to 55.... and SNAP. I imediately took the bolt out, and found about .5" of thread are missing from the bottom of the bolt. I was using oil half way up the thread when torquing. Not sure what to do. I have a bolt retriever, but these suckers are deep. Any suggestions? I really dont want this to happen to anymore bolts, as I only have one extra.




    Please advise, thanks,

    matt

    #2
    You will most likely need to pull the head off to reach the snapped off section with a extractor. Make sure you chase the threads with a tap next time. :?
    Tenured Automotive Service Professional - Avid BMW Enthusiast

    Vapor Honing & E30 ABS Pump Refurbishment Service
    https://mtechniqueabs.com/

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      #3
      ...also make sure there is no oil in the bottom of the hole.
      John
      88 ///M3 Cinnabar
      84 318i Black

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        #4
        yes, there must have been alot of oil in the hole. oil doesnt compress... snap

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          #5
          Matt, I am very surprized you arn't running a Head Stud Kit.

          I really think you should be especially considering your application.

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            #6
            what happened matt at the end? did you pull off the mssing part?

            I did the same li 1.5 months ago, the same bolts, but I didn't have any problem, I only cleaned the hhole, dryed it and then I applied some thin oil in the thread and then torqed it twice, like 30 and then 60 If I remember well,
            Euro M3'87 NogaroSilver/Euro E34 M5 '93/Porsche 993 TT 97' Euro/Porsche 993 Carrera 95' Euro/Skyline R33 GT-R

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              #7
              Hey,

              I used the broken bolt to get the broken piece out, just applied pressure, and untwisted it. Worked like a champ. Then pu the rest in, and she fired right up. I'd have to say I was pretty lucky, thanks for the help guys.

              matt

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