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Thread: bad whiny transmission noise - listen here

  1. #1
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    bad whiny transmission noise - listen here

    I was driving along today and instantly heard this noise. I recorded some and the noise came out fairly well. It lasted about 10km and near my home it went away completely. I have no idea what it is, I estimate its something loose which would explain the on off business. Under the car seems fine.

    Symptoms
    1.I put it into low range and CDL, all worked fine but did not affect the noise.
    2,The noise is only present with throttle and glides without noise.
    3.It winds up in pitch through the gears (each gear does not reset pitch level) so the faster the wheels turn the higher pitch the noise.
    4.It does not seem to hinder rolling friction or engine output power.
    5.Gear box seems unaffected.
    6.Sounds similar to transfer box noise when in low range but seems unaffected by transfer box operations.

    So thats about it. Any ideas?

    rangienoise.flv - Video - Photobucket - Video and Image Hosting

  2. #2
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    Diff???
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  3. #3
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    any number of bearings in the system....

    start by checking the pinions on the diffs
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
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  4. #4
    r.over Guest
    What's my wife doing in your car?

  5. #5
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    Quote Originally Posted by r.over View Post
    What's my wife doing in your car?
    very funny.

    I am going to change all the oils of gear box, transfer case and front and rear diff.

    Does the centre diff take the same oil as the front and rears & does the transfer case get its oil from the 5 speed?

  6. #6
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    the tcase should have the same oil in it as the main box... but it will take 80/90 same as the diffs...
    thinking about it...


    when did you last check the oil in the tcase?
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
    If you think you're in front on the deal, pay it forwards.

  7. #7
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    a while. I am going to do full changes tomorrow.

    what oil do you recommend for (brand of oil, 10w30 ect all welcome info as I will be buying it all first thing)

    front and rear diff

    5 speed

    centre diff

  8. #8
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    Quote Originally Posted by F4Phantom View Post
    very funny.

    I am going to change all the oils of gear box, transfer case and front and rear diff.

    Does the centre diff take the same oil as the front and rears & does the transfer case get its oil from the 5 speed?

    No it is filled seperately ..........may be the route of your problem.

  9. #9
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    My transfer case has been singing that song with ever-increasing volume for about the past 5 years.

  10. #10
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    Redline MTL is my recommendation for the 5 speed. worth the cost.
    for the transfer case and diffs i just use whatever branded 80/90 is cheapest at the time.

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