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Constant Hum from Drivetrain over 60mph

Discussion in '3rd Gen 4Runners (1996-2002)' started by DALLAS, Jun 13, 2015.

  1. Jun 13, 2015 at 6:06 PM
    #1
    DALLAS

    #1
    DALLAS [OP] New Member

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    I have a constant hum in the drivetrain over 60mph and gets worse the faster you go. I have replaced the u-joints. Maybe driveshaft?
     
    DALLAS, Jun 13, 2015
    #1
  2. Jun 13, 2015 at 7:47 PM
    #2
    wnelax04sr5

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    wnelax04sr5 New Member

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    could be a wheel bearing, does it have a specific location?
     
    wnelax04sr5, Jun 13, 2015
    #2
  3. Jun 14, 2015 at 7:59 AM
    #3
    DALLAS

    #3
    DALLAS [OP] New Member

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    That is a possibility. I just ruled that out because there is no noise at slower speeds. Sounds like it is coming from the back. Thanks for the feedback
     
    DALLAS, Jun 14, 2015
    #3
  4. Jun 14, 2015 at 10:20 AM
    #4
    likdtaco

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    likdtaco Governed & Empowered by GOD

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    AJ - Az
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    Yeah I might be kicking the wheel bearing

    jack it up and turn the wheels slow and listen for noise, grab wheels shimmy them see if there is play...
     
    likdtaco, Jun 14, 2015
    #4
  5. Jun 14, 2015 at 2:51 PM
    #5
    DALLAS

    #5
    DALLAS [OP] New Member

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    I will. Thank you for the input likdtaco.
     
    DALLAS, Jun 14, 2015
    #5
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