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Transmission noise

Discussion in '3rd Gen. Tacomas (2016+)' started by longshooter, Jul 22, 2021.

  1. Jul 22, 2021 at 10:06 AM
    #1
    longshooter

    longshooter [OP] New Member

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    Hello all,
    I recently purchased a new 2021 Tacoma with the TRD package and an automatic transmission. From the first test drive I noticed a strange noise during transmission shifts. It is a soft "humming" noise just before the this shifts up and lasts for only about a second. It sounds a little like a big truck or a allison transmission on a school bus. I am just wondering if anyone out there has heard something similar
     
  2. Jul 22, 2021 at 1:29 PM
    #2
    GOTSAND?18

    GOTSAND?18 Well-Known Member

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    These trucks are noisy … you think the auto is bad the manual sounds like a semi lol
     
  3. Jul 22, 2021 at 1:32 PM
    #3
    Mrtacoman88

    Mrtacoman88 TRDude

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    Semi?

    4F2E53AC-FE62-4EFE-BAD3-4F5F7C74FE35.jpg
     
  4. Jul 22, 2021 at 1:33 PM
    #4
    HisDad

    HisDad Well-Known Member

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    Is it Friday already?
     
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  5. Jul 22, 2021 at 4:06 PM
    #5
    GOTSAND?18

    GOTSAND?18 Well-Known Member

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    Semi ….do you live under a rock ? 164CB653-4433-4151-81C1-1C67800B62DD.jpg
     
  6. Jul 22, 2021 at 4:08 PM
    #6
    JaCado

    JaCado I make bad choices

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    Look up "differential howl"
    Welcome to TW
     
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  7. Jul 22, 2021 at 4:10 PM
    #7
    Mrtacoman88

    Mrtacoman88 TRDude

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    Actually no, I know what a semi is, thanks.

    Just shocked your truck sounds like a semi. Definitely something wrong with it.
     

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