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  •  » FYI Ford, Classic Mustang Tech Discussion
  •  » Whirling sound on shifting

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    5/25/2022 10:48 AM  #1

    687072mustang
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    From: Monroe WA
    Registered: 4/01/2013
    Posts: 168

    Whirling sound on shifting

    A peculiar sound has developed only when the clutch is depressed, and I'm shifting gears.  there is a whirling sound.  This sound disappears when the clutch is fully engaged and in gear.  What could be the possible cause?  Car is a 1998 Mustang Cobra stock with 100,000 miles on it.  95% of it highway driving.  Very very seldom driven in the city or any other situation that requires frequent shifting.  All ideas welcome.  

     

    5/25/2022 10:53 AM  #2

    TKOPerformance
    Hyper FYIFORD ADDICT

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    From: Newark, DE
    Registered: 12/15/2014
    Posts: 7,068

    Re: Whirling sound on shifting

    Pilot bearing  or throw out bearing would be my first guesses. 

     

    5/25/2022 10:54 AM  #3

    Bolted to Floor
    Senior 24-7 FYI Addict

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    From: Houston, Texas
    Registered: 4/01/2013
    Posts: 1,918

    Re: Whirling sound on shifting

    Sounds like a throw out bearing to me. 

    John  -- 67 Mustang Coupe 390 5 speed
     

    5/25/2022 11:19 AM  #4

    MS
    Forum Originator

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    From: Canyon Lake, Texas
    Registered: 1/24/2013
    Posts: 11,717

    Re: Whirling sound on shifting

    Throwout bearing

    Money you enjoy wasting is NOT wasted money... unless your wife finds out.
     

    5/25/2022 2:08 PM  #5

    RTM
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    From: Cape Coral FL
    Registered: 5/22/2019
    Posts: 1,036

    Re: Whirling sound on shifting

    Agree it's most likely the throwout bearing.

     

    5/25/2022 5:29 PM  #6

    Bullet Bob
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    From: Montrose, Colorado
    Registered: 4/01/2013
    Posts: 4,774

    Re: Whirling sound on shifting

    Butt (TS&T) were it mine I would change out the throw-out bearing AND the pilot bearing with 100K on it.
    BB1

     

    "you get what you pay for, good work isn't cheap, and there are NO free lunches...PERIOD!"
     

    5/26/2022 9:46 AM  #7

    BobE
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    From: White Plains, NY
    Registered: 4/04/2013
    Posts: 2,183

    Re: Whirling sound on shifting

    Throwout bearing would be my guess.
    But as BB suggests, change the pilot bearing also. 

    65 Fastback, 351W, 5-speed, 4 wheel discs, 9" rear,  R&C Front End.
     

    5/26/2022 10:59 AM  #8

    Nos681
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    From: Atlantic Mine, Michigan
    Registered: 7/14/2016
    Posts: 3,046

    Re: Whirling sound on shifting

    At 100k miles, I’d probably change all of it.
    Probably cheaper to get an entire clutch kit.
    Throwout bearing might be included in some kits.

     

    5/27/2022 4:42 PM  #9

    687072mustang
    FYI Addict

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    From: Monroe WA
    Registered: 4/01/2013
    Posts: 168

    Re: Whirling sound on shifting

    Thank you all for input. I think I will opt for the clutch kit. Getting there is too much work to revisit if clutch goes

    Last edited by 687072mustang (5/27/2022 4:43 PM)

       •Thread Starter
     

    5/28/2022 5:27 AM  #10

    TKOPerformance
    Hyper FYIFORD ADDICT

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    From: Newark, DE
    Registered: 12/15/2014
    Posts: 7,068

    Re: Whirling sound on shifting

    Should go without saying, but get the flywheel surfaced as well. 

     

     

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