1991 Rossa - whining noise in 2nd ! | FerrariChat

1991 Rossa - whining noise in 2nd !

Discussion in 'Boxers/TR/M' started by TIMSTURBO, Dec 8, 2014.

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  1. TIMSTURBO

    TIMSTURBO Rookie

    Nov 10, 2011
    39
    Hi Guys

    following on from 'diff' thread - the diff sounds ok but I would take Mel's Advice and change anyway

    but and its a big but car has a fairly audible whine in 2nd gear and its worse when cornering in 2nd

    so I guess its a gearbox overhaul thats required to replace 2nd gear on the main shaft ??

    issue is Ferrari 2nd gear is NLS for some of the gearboxes

    so in a quandary

    any input welcome
     
  2. Melvok

    Melvok F1 World Champ
    Owner Silver Subscribed

    Jul 25, 2008
    14,128
    Amersfoort, The Netherlands, Europe.
    Full Name:
    Mel
    #2 Melvok, Dec 8, 2014
    Last edited by a moderator: Sep 7, 2017
    What you need is a oem set of 2 nd gear imo; never 1 gear but Always a set which was made together !

    So they have the same engraved numbers !! See last but one pic !

    If you find only one gear somewhere (used parts) worn and only replace that it may result in again noise when installed .... you don't want that imo ...

    In my gb we foud wear and I was able to obtain/buy a oem gearset out of an exploded box ... but I was Lucky !

    Last photo shows why I exchanged that set ... would not like to take any risk of breaking off a teeth ...

    And while it is all open now ... exchange the diff at the same time ...
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  3. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    34,138
    Austin TX
    Full Name:
    Brian Crall


    Many gears are being reproduced. Check with GT Car Parts.
     

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