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whine/growl....

Discussion in 'GM Allison' started by whitetrash21, May 19, 2008.

  1. whitetrash21

    whitetrash21 Put on the damn helmet day........

    788
    0
    Apr 29, 2008
    Vegas
    the trans is on its way out... that i know. question i have is this: will a worn or slippin tc cause a high pitched growl or low whine sound when the truck is under power?? that would be mine.... it seems to go quiet when i let off the go pedal, comes right back when i press it....

    just curiouos, not really sure what else it could be. since the trans has been progressively gettin worse, i've noticed the sound becoming more pronounced, even so much as to be felt through the pedals as a faint vibration.
     
  2. WanaDmax

    WanaDmax New Member

    180
    0
    May 4, 2008
    Pleasanton, CA
    =O
    Whoa! thats some gnarly sheites there!

    My guess is that it would be the lockup going out. Your pads are grinding, just like driving a clutch with the clutch half out.

    Just a guess though
     
  3. busdriver75

    busdriver75 Busier than hell...

    1,258
    0
    May 7, 2008
    NW Ohio
    time to spend some money wes. then you can keep the go pedal down all the time....
     
  4. BudTX

    BudTX Edjumacated Redneck

    What does the fluid in the transfer case look like, Wes? I assume that you have ruled out the dreaded pump rub...
     
  5. whitetrash21

    whitetrash21 Put on the damn helmet day........

    788
    0
    Apr 29, 2008
    Vegas
    no doubt..... tranny's aint cheap though.:eek:11::smilielol5:


    trans fluid doesn't look burnt but it smells bad. probably gettin there. just did the flush about 12k ago.

    pump rub isn't an issue on mine.... :D... 2wd

    i dont know what else it could be. something motor related?? :wtf: .. i cant tell where its comin from. you cant hear it at idle or when the truck's in N or P and revvin. it only sounds off when trucks in gear and movin with the r's up. thats what brought me to the trans conclusion.... i know its goin, i was just wonderin what the sound was..... u joints and carrier area all fairly new, and it seems to be coming from the front of the vehicle, not the rear.

    im outa ideas unless someone else has some......
     

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