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Toyota Trucks: great new sound under the truck

  1. #1
    Eric
    Guest

    great new sound under the truck

    95 Tacoma, V6 4WD, 123,000 miles, original clutch

    Sound sounds like it's coming from anywhere from under the cab to the rear
    differential, it's hard to tell.

    Notable points about sound;
    -sounds like high pitched whistling
    -just started in the last week
    -happens in 2WD or 4WD
    -stops when I put a load on the engine, i.e., when I am actively
    accellerating or when I am using the engine to decelerate
    -if the sound is happening, I can put it in neutral and it (the sound) will
    continue
    -does not occurr when the vehicle is not moving
    -if I am highway driving and just giving it enough gas to maintain the
    current speed, the sound can and does start; if I accelerate a bit, I can
    make the sound stop but it will start again if I let acceleration approach
    zero, i.e. constant velocity

    The clutch does not slip. It does let out high though.

    Any thoughts?

    Eric





  2. #2
    Jason
    Guest

    Re: great new sound under the truck


    "Eric Sabine" <_ScPoAmM> wrote in message
    news:4018000e$0$40216$twtelecom.net... 
    will 

    Just to be sure, check your brake pads. They can squeal if they are low
    even if you are not applying the brakes.



  3. #3
    Dave
    Guest

    Re: great new sound under the truck

    I had an 89 4X4 and the rear end had whine in the differential and now a 99
    Tacoma that has a similiar whine, a little higer pitched that comes and goes
    exactly as you state. Most like again in differential. If it was like my
    first truck the whine will get worse very very slowly.
    Dave
    "Eric Sabine" <_ScPoAmM> wrote in message
    news:4018000e$0$40216$twtelecom.net... 
    will 



  4. #4
    Eric
    Guest

    Re: great new sound under the truck

    Actually the brakes do squeal. They have since the goodyear dealer put them
    in. My fault; will only allow genuine toyota pads for the rest of my life.
    I do believe the pads are in fact near replacement though, but the two
    sounds are totally different and I can tell this new one is not coming from
    the front pads.

    Thank you though.

    Eric


    "Jason" <com> wrote in message
    news:bv903i$mir$cc.utexas.edu... 
    rear 
    can 
    approach 



  5. #5
    Eric
    Guest

    Re: great new sound under the truck

    It's a bearing in the transmission. At 123k miles I will opt to have a new
    one (clutch) installed and have the bearing replaced too. Oh yeah, this is
    why I put money into savings each month.... This isn't a repair I want to
    do myself.



    "Dave" <com> wrote in message
    news:icURb.9574$uunet.ca... 
    99 
    goes 
    rear 
    can 
    approach 



  6. #6
    Jason
    Guest

    Re: great new sound under the truck

    Hehe, I have done it myself. Its doable, but a PAIN. They really get you
    on labor for this though, especially considering they have all the tools to
    make it really easy.
    "Eric Sabine" <_ScPoAmM> wrote in message
    news:40190e68$0$40212$twtelecom.net... 
    new 
    is 



  7. #7
    mazdaman85
    Guest

    Re: great new sound under the truck

    You sure it's a bearing in the tranny? It sounds very much like a bad
    pinion bearing in the rear differential.

    "Eric Sabine" <_ScPoAmM> wrote in message news:<4018000e$0$40216$twtelecom.net>... 

  8. #8
    Eric
    Guest

    Re: great new sound under the truck

    Ugh.. I'll find out today.



    "mazdaman85" <com> wrote in message
    news:google.com... 
    news:<4018000e$0$40216$twtelecom.net>... 
    rear 
    will 
    can 
    approach 




 

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