Alternator Tensioner Bearing Failed! Help!!! | Page 3 | FerrariChat

Alternator Tensioner Bearing Failed! Help!!!

Discussion in '348/355' started by FerrariDeeJay, Feb 5, 2013.

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  1. FerrariDeeJay

    FerrariDeeJay Formula Junior

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    I found out something interesting today. It seems that to save money, Ricambi sells the threaded pin from Hill Engineering and it is brass color. The rep told me that the Ferrari bolt is over $325. The Hill Engineering bolt is $80. So, Ricambi is going to research and find out if Hill Engineering even makes the one for my car (1995 2.7) will have to wait and see.
     
  2. GerryD

    GerryD Formula 3

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    Then you will have to order from FNA in Jersey.
     
  3. sevminasyan

    sevminasyan Formula 3

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    Digged half a day at my storage just cant seem to find that piece. I have the alternator but cant locate the bracket and the bolt that I remembered I stashed somewhere.

    Sorry Michael.


     
  4. FerrariDeeJay

    FerrariDeeJay Formula Junior

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    Ordered the threaded pin from N.J and it arrived yesterday. I reassembled everything yesterday and started the car, checked voltage and it was charging at 14.35. Test drove car and no lights on the dash. After returning home I restarted the car and got a minor squeal. I am guessing I need to tension the belt a bit more. Will do that today and test drive.

    Many thanks to all who helped me through this, you guys are the best!

    I will post a complete DIY thread complete with pics later.
     
  5. plugzit

    plugzit F1 Veteran Silver Subscribed

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    Congrats!
    Stooged it!!!
     
  6. ernie

    ernie Two Time F1 World Champ Lifetime Rossa Owner

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    +1

    Way to man up and gitterdun Stooge style.
     
  7. RSO1091

    RSO1091 Formula 3

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    Congratulations Mike. It was a long process, but worth it (as well as educational) in the end. Henry
     
  8. ernie

    ernie Two Time F1 World Champ Lifetime Rossa Owner

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    And big ups to you for helping him out Henry, like a good Stooge.
     
  9. FerrariDeeJay

    FerrariDeeJay Formula Junior

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    Henry is great, and he works for cheap...all I had to do was buy him a burger and fries. :)
     
  10. dahveedem

    dahveedem Formula 3

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    I know this is old post. .. but curious. . What sound if any did it make prior to failure?
     
  11. GerryD

    GerryD Formula 3

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    When driving at a steady speed on the highway, close all your windows. The bearing takes a long time to blow out but years before it goes, you will hear a bit of a low howling or drone coming from the engine right behind the drivers seat. To some this might sound normal because it does it for a long time before it goes. The sound it makes just before it completely blows must be scary.
     
    Last edited: May 24, 2015
  12. dahveedem

    dahveedem Formula 3

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    Hmm how about an occasional clank or click?
     
  13. jssans

    jssans Formula Junior

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    The belt started smoking then broke. No warning was noticeable. I suggest changing the bearing & the adjustment bolt every major service.
     
  14. GerryD

    GerryD Formula 3

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    You could if it makes you feel good but these take a long time to go and the main reason they go is because many over tighten the adjuster in hopes that the squeaky belt goes away instead of changing the belt. If one really wants to avoid this, I would change the bearing every 3rd engine out or just wait for it to fail if it even does. The fix is not too hard.......the second time around. :)
     
  15. jssans

    jssans Formula Junior

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    You're probably right. Every 3rd major replace the parts.
    I just remember fixing the damn thing with the engine in. Horrible.
     

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