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cam tensioner bolt

Discussion in '308/328' started by conan, Nov 23, 2020.

  1. conan

    conan Formula Junior

    Nov 13, 2011
    358
    Hi, just wondering about the 111458 bolt. How many of those have sheared off over the years? Threads stripped?

    I am just thinking about my seat bolt that snapped right off one day ...

    I plan to use some crack detecting fluid next cam belt change, but thought someone may have some insight into this?
     
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  3. Martin308GTB

    Martin308GTB F1 Rookie

    Jan 22, 2003
    4,125
    Black Forest Germany
    Full Name:
    Martin N.
    I think, you cannot compare that bolt with a seat bolt. Look at the thread diameters. I think, before this bolts snaps, you will crush or crack the light alloy tensioner bracket.

    Best from Germany
    Martin
     
  4. thorn

    thorn F1 Rookie
    Silver Subscribed

    Aug 7, 2012
    2,885
    Tallahassee, FL
    Unless you have reason to believe that the bolt has been over-tightened, I believe the potential for cracks is extremely unlikely.
     
  5. GordonC

    GordonC F1 Rookie
    Rossa Subscribed Owner

    Aug 28, 2005
    3,824
    Calgary, AB, Canada
    Full Name:
    Gordon
    I've just had my timing belt tensioner assemblies out to replace the belts and pulleys, and was impressed again at the bolt that holds the pulley. No way would the threads get stripped on the bolt, that will strip the hole in the head long before it's own threads let go! (which bears reminding, use a torque wrench always! ;) ) The bolt won't ever get stretched, stripped, or otherwise damaged at the recommended torque value.

    Cheers,
    Gordon
     
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  6. conan

    conan Formula Junior

    Nov 13, 2011
    358
    Thanks for all comments. I guess risks are low with this bolt, but for curiosity reasons I will probably do a check for cracks and compare the two bolts.
     
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  8. mike996

    mike996 F1 Veteran

    Jun 14, 2008
    5,619
    TX//Mexico/UK
    Full Name:
    Mike 996
    "The bolt won't ever get stretched, stripped, or otherwise damaged at the recommended torque value."

    As is true with all fasteners! :)
     

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