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Thread: rear exhaust header loose fastener???

  1. #1
    2008 xb12ss

    any one got any tips on how to tighten a loose fastener on the rear exhaust header???

    [img]null[/img]

  2. #2
    Swivel and a socket, go up from the bottom between frame and header.

  3. #3
    Senior Member d_adams's Avatar
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    Apr 2010
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    Just outside of St. Louis
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    3,542
    ^ That and 12" of extensions.

  4. #4
    Senior Member
    Join Date
    Jul 2010
    Posts
    859
    And remember not to over tighten, they should be torqued to 72-96 in-lbs (8-11 Nm)

  5. #5
    my fasteners are rusted what is a good replacement nut? stainless steel? or will that react with the existing stud material and seize???

  6. #6
    Senior Member
    Join Date
    Jan 2011
    Posts
    213
    Why don't they put lock washers on exhaust nuts? Does using a torque wrench with a swivel change the torque readings? What is the meaning of life? I am a warehouse of dumb-ass questions!

  7. #7
    i have found that using a swivel on a torque wrench does make its operation inconclusive, frustrating really.

  8. #8
    Watch out when trying to tighten it, it might have lost the retaining clip under the exhaust flange to rust. I had the same issue, and both of the nuts on the front cylinder were rusted shut...

    I ended up having to drill the studs out and use a helicoil. I just want to give you a heads up so you don't spend a whole weekend on something you're expecting to be a few minute process.

  9. #9
    i ended up replacing all the old rusting header fasteners with a new set of 'champion' brand brass manifold nuts,

    i have got the first 3 on, guess which one i am finding very hard to get on? what a pain.




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