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Why does my T5 whine?

Discussion in 'The Hokey Ass Message Board' started by usmile4, Sep 30, 2013.

  1. usmile4
    Joined: Jul 28, 2005
    Posts: 700

    usmile4
    Member

    I have a whine sound that I believe is coming from my trans. Is it normal for them to whine? It's filled with fluid and seems to fun fine, but it whines in all gears.

    It's from an 85 S10, tag #1352-145. It's behind a 235 with a 10 3/4 clutch in my 51 Chevy 2 dr with a 56 Chevy rear end. I just changed the axle bearings in the rear and if I push in the clutch, no whine.
     
  2. Get the wheels off the ground on a lift and run it with someone checking under the car. Sounds more like a rear end than trans. Does it do it at all speeds?
     
  3. TagMan
    Joined: Dec 12, 2002
    Posts: 6,026

    TagMan
    ALLIANCE MEMBER

    Why does it whine? Maybe it's female :D
     
  4. BarryA
    Joined: Apr 22, 2007
    Posts: 643

    BarryA
    Member

    Buddy of mine says: 'A whining gearbox is like a whining child - it won't die if you ignore it....'

    Not sure that I would follow that advice without knowing what the cause is.
     
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  5. usmile4
    Joined: Jul 28, 2005
    Posts: 700

    usmile4
    Member

    It's most noticeable at lower speeds but I'm pretty sure it is doing it at higher speeds but the pipes cover it up. If it was the rear end, wouldn't it still do it when clutch is in?
     
  6. If the noise goes away when you push in the clutch, look at the throwout bearing first, then the front bearing in the trans and the pilot bearing/bushing in the crank. Any one of these could be the whine...

    If you pull the trans, replace the plot bearing in any case; it's cheap insurance.
     
  7. tfeverfred
    Joined: Nov 11, 2006
    Posts: 15,796

    tfeverfred
    Member

    That's really Lambrecht.
     
  8. gimpyshotrods
    Joined: May 20, 2009
    Posts: 17,133

    gimpyshotrods
    ALLIANCE MEMBER

    Is it a fresh throwout bearing?
     
  9. 1955IHC
    Joined: Aug 20, 2013
    Posts: 636

    1955IHC
    Member

    I have experienced the same problem twice before on different transmissions. And the fix was as Crazy Steve described.

    Posted using the Full Custom H.A.M.B. App!
     
  10. oh no...groan (or maybe that should be...whine)
     
  11. usmile4
    Joined: Jul 28, 2005
    Posts: 700

    usmile4
    Member

    New throw out bearing and pilot bearing.
     
  12. oldolds
    Joined: Oct 18, 2010
    Posts: 2,968

    oldolds
    Member

    Does the whine change pitch with gear changes, or engine speed or m.p.h?
    If it seems steady with the m.p.h. I would suspect rear. Pushing in the clutch changes pressure on the bearings. With engine speed suspect throw-out bearing or front trans bearing. Changing with gear changes, something in trans.

    Of course your results may vary.
     

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