Broken exhaust manifold bolt

Discussion in 'Tech Info' started by BOSS, May 28, 2010.

  1. BOSS

    BOSS The People's A D M I N Supporting Member

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    Came across this write up online for removing broken off exhaust manifold bolts. I guess you know what's about to go on in my garage :)


    Credit to Chevyboy86 for posting this:

    BOSS
     
  2. BOSS

    BOSS The People's A D M I N Supporting Member

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    Apparently it's a big problem, I never knew.

    [yt]0yG6WlBNZGI[/yt]


    B
     
  3. hoe

    hoe Full Access Member

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    You never knew? lol. My lq9 has 2 on driver side and 1 on passenger. NO codes. quite, and I run the piss out of it. I plan to leave the manifolds and do wye pipe back to tail with 3" pipe.

    ---------- Post added at 12:41 AM ---------- Previous post was at 12:38 AM ----------

    The 5.3 I pulled to replace had 1 broke on each side for a total of 2. Still was quite as shit, no codes.
     
  4. BOSS

    BOSS The People's A D M I N Supporting Member

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    Here's a great writeup on welding and extraction strategies, if you don't have a welder you can certainly take this printout to the shop and ask them to follow it!


    The Art of Extraction

    B
     
  5. BOSS

    BOSS The People's A D M I N Supporting Member

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    Posted by someone, somewhere:

    B
     
  6. jayman8200

    jayman8200 Member

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    if you have a bolt that is stuck or broke off, you can take candle wax and melt it on the bolt with some propane heat, the heat will boil the wax to allow it to bubble into the threads to coat the threads and cause them to free up.
     
  7. 2000tahoeZ71

    2000tahoeZ71 Full Access Member

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    Best way I have done it is with a automatic center punch and a left handed drill bit. Soak it, drill it, and use an ease out. Works every time if you take your time and do it right.
     

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