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Whining noise from transmission area.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by murat, Aug 5, 2016.

  1. Aug 5, 2016 #1
    murat

    murat Light Load Member

    217
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    Jul 21, 2009
    nebraska
    0
    I have a Detroit 60 with a Meritor 10 spd transmission,this week I have started to notice a faint high pitched whine which I think is coming from transmission .I noticed it around 65 MPH,if I let off the accelerator it goes away then returns when I accelerate.I guess I'm just hoping for the best,could this be clutch or transmission?It also goes away going down hill.
     
    murat, Aug 5, 2016
    murat, Aug 5, 2016
    #1
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  3. Aug 5, 2016 #2
    baha

    baha Road Train Member

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    ga
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    Pull the plugs on side of trans. both rear/ends and stick your finger in to see if gear oil is filled to top of the bottom of plug hole? ck. to see if ride hi is set and move arm on air valve to see if any play in valve is found?
     
    Last edited: Aug 6, 2016
    baha, Aug 5, 2016
    baha, Aug 5, 2016
    #2
    Oxbow and murat Thank this.
  4. Aug 5, 2016 #3
    DUNE-T

    DUNE-T Road Train Member

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    May 10, 2015
    Detroit, MI
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    Also suggesting checking oil level
     
    DUNE-T, Aug 5, 2016
    DUNE-T, Aug 5, 2016
    #3
    murat Thanks this.
  5. Aug 6, 2016 #4
    murat

    murat Light Load Member

    217
    123
    Jul 21, 2009
    nebraska
    0
    I had the truck serviced yesterday and all the fluids are ok, I noticed that I push in the clutch or put it in neutral the sound goes away then if I rev up the motor I can hear it . so now I'm really confused.
     
    murat, Aug 6, 2016
    murat, Aug 6, 2016
    #4
  7. Aug 6, 2016 #5
    baha

    baha Road Train Member

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    ga
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    Open hood to ck. all fan belts, Climb under truck to ck. your center driveshaft hanger to see how you move it up and down by hand?
     
    baha, Aug 6, 2016
    baha, Aug 6, 2016
    #5
    murat Thanks this.
  8. Jun 10, 2017 #6
    PupaINC

    PupaINC Bobtail Member

    18
    9
    Aug 23, 2013
    0
    Hi!
    I know this is old post, but did you find out cause of whining noise? I think I have same problem.....
    Thank You!
    Roman
     
    PupaINC, Jun 10, 2017
    PupaINC, Jun 10, 2017
    #6
  9. Jun 10, 2017 #7
    Ezrider_48501

    Ezrider_48501 Road Train Member

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    Apr 2, 2011
    bismarck, nd
    0
    just because you had the truck recently serviced unless you watched them check the oil levals in the trans and the rear ends, it was probably not checked and just marked off that they checked it, that it one of the most common things that they say they do but skip on pm's that and greasing throw out bearings unless you have a grease hoses that comes out.
     
    Ezrider_48501, Jun 10, 2017
    Ezrider_48501, Jun 10, 2017
    #7
  10. Jun 11, 2017 #9
    murat

    murat Light Load Member

    217
    123
    Jul 21, 2009
    nebraska
    0
    I have sold the truck but found out that the throw out bearing had not been being greased and became stuck in the engage position.The mechanics said they had never saw that before.They pryed it back greased it and it worked.I started greasing it myself every week after that I think that was the noise I was hearing was a dry throw out bearing.
     
    murat, Jun 11, 2017
    murat, Jun 11, 2017
    #9
    MARE and JB3 Thank this.
  11. Jun 11, 2017 #9
    PupaINC

    PupaINC Bobtail Member

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    Aug 23, 2013
    0
    Thank You very much guys!
    Roman
     
    PupaINC, Jun 11, 2017
    PupaINC, Jun 11, 2017
    #9
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