timing belt shoe 348 | FerrariChat
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timing belt shoe 348

Discussion in '348/355' started by go_faster, Apr 10, 2016.

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  1. go_faster

    go_faster Rookie

    Jul 26, 2011
    31
    Hamilton
    Full Name:
    Chris smith
    #1 go_faster, Apr 10, 2016
    I am just finishing a major and have got to the point where I am putting the timing shoes/followers back in. One I can keep off the belt about a milimeter, which I understand is the correct position. I believe this is done with tension on the bolt that goes through the shoe. The other one is loose no matter how tight I clamp it. The shoe simply flops around and would simply lay on the belt the whole time.

    Any advise on what's going on here? I assume it isn't supposed to rub on the belt. Actually, I'm not even sure what their purpose is? If the belt ever reached them you would already have some serious problems, no??
     
  2. Brewman

    Brewman Formula Junior

    Apr 3, 2012
    417
    NC Mountains @ Boone
    Full Name:
    Joe
    #2 Brewman, Apr 10, 2016
    It sounds like the bolt is bottoming out before enough tension is put on the shoulders of the follower to bring it under tension. Possibly the shoulders are worn causing this problem. Be careful and don't over tighten and strip the threads. Both shoes need to be set at approx 1 mm. gap. Not sure of the design intention other than helping keep the belt in place.
     
  3. 2NA

    2NA F1 World Champ
    Consultant Owner Professional Ferrari Technician

    Dec 29, 2006
    18,221
    Twin Cities
    Full Name:
    Tim Keseluk
    #3 2NA, Apr 10, 2016
    The bolts are different lengths. I suspect you have them mixed up.
     
  4. GTO Joe

    GTO Joe Formula 3
    Silver Subscribed

    Feb 15, 2013
    1,002
    Charlotte, NC
    Full Name:
    Joseph Troutwine
    #4 GTO Joe, Apr 10, 2016
    This must be somewhat common with a not so knowledgeable shop. Whoever did the engine out on my car prior to my ownership did just this and it resulted in the bracket being cracked and needed replacing when I did my major.
     
  5. go_faster

    go_faster Rookie

    Jul 26, 2011
    31
    Hamilton
    Full Name:
    Chris smith
    #5 go_faster, Apr 10, 2016
    Thanks. Your comments sent me back to compare the bolts. I had the right bolts but one was missing the washer. Argh! All fixed now.
     

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