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New sound...throw out bearing??

Discussion in '1st Gen. Tacomas' started by TacoMX, May 6, 2012.

  1. TacoMX

    TacoMX [OP] TW's Official anti body-lift pundit

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    OK...so oddly enough I have a new sound
    after removing my body lift...but strangely I dont think its related to removing the BL.

    It sounds like (going to sound weird) someone lightly rubbing two pummice stones together. Its very faint, happens at idle and at cruising RPM's. When I am idling it goes away when I press the clutch in.

    TOB??

    Hope not... :mad:

    No other details for now. And I dont think I can get it on audio because its so quiet.

    Opinions?​
     
  2. TacomaJPP

    TacomaJPP To secure peace, is to prepare for war

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    Probably TOB. Every manual tranny (Chevy, Toyota) I've ever owned had a TOB start whining at about 60,000.

    Run to failure or until new clutch time. My current TOB has been complaining for about 130,000 miles.
     
  3. Robertgeejr1

    Robertgeejr1 Well-Known Member

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    I have done all the hi-pro mods for a life time, since I got this truck at a great price, I will be happy with showroom new.
    that could be it, now I am not lying, buy I have only had one clutch wear out on me from a car I bought new. my 92 ser, after 240,000 miles it started making a weired noise at idle, not loud at first... then on cold mornings when she was cold it was louder, I was still in NC not too cold, then after a few months when I stared to engage the clutch, it would make a very loud "wirrrl" noise, that is the only way I can describe it. that loud noise was its death rattle, next day she failed at the dealership! had to push her in the shop.... they did not believe it was the original until they got in and saw the parts.
    its hard to say how long they will last, my uncle had a 95 f350 with a 455cid, 5speed, that went for years until it failed. needless to say, don't ride the clutch, I don't know if you do off roading, and I don't know alot about that but I would watch the stress on it. I know my uncle was careful about not putting too much stress on the truck, he would take off easy if she was loaded down.
     
  4. TacoMX

    TacoMX [OP] TW's Official anti body-lift pundit

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    yeah..178K miles.

    I was planning on doing the clutch *sorta* soon.

    Might do it sooner then.
     
  5. Robertgeejr1

    Robertgeejr1 Well-Known Member

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    I have done all the hi-pro mods for a life time, since I got this truck at a great price, I will be happy with showroom new.
    Yes, and i will say, the clutch is one of the things I hate to do on any car.....the only one I helped with was my first car the 72 mach 1, it was a 4 speed, and you want to talk about a job...... shit.... and we did it in the garage, of the freight company my grandfather was the manager. and I got a steel splinter 3" long ran up under my thumb nail... and they had to do the pain shot there and the tetanus shot there, don't ask me why... last one I did....
    wish I could do the leaf springs.... but I need tie end rods, outer and inner, and ( I have been really studying the ball joints.. they don't seem too bad, but) you know the rest.
    did the slave cylinder, and it really did make a lot of difference, thanks for the write up.
    prob. by early summer I will have my truck stash built back so I can just do it all at one time, new struts coils in front, new leafs shackles, and shocks in the rear.
     
  6. joes06tacoma

    joes06tacoma Well-Known Member

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    If the noise goes away when you press on the clutch lightly, it's the TOB. If it only stops when the clutch is actually pushed all the way down, it's the bearings/gears in the transmission. If it's the transmission, you've likely got some time before it's going to actually go out. Our 04 2wd 2.4 5 speed at work has been doing this for the last 50K miles.
     
  7. TacoMX

    TacoMX [OP] TW's Official anti body-lift pundit

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    But the bearings/gears in the tranny will only make noise if the truck is moving, right?

    Because I have only noticed the clutch affecting it at idle.
     
  8. Robertgeejr1

    Robertgeejr1 Well-Known Member

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    I have done all the hi-pro mods for a life time, since I got this truck at a great price, I will be happy with showroom new.
    now I am only trying to help, ok, I have never had a transmission, or gears bad on me, but this goes back to the mustang, and this was just white trash... .but a year later, the transmission started leaking oil, it needed a new main seal, so I had to save up, was going to let a garage do it, and it took a few months, so every 2-3 weeks I had to stop in a garage and have them refill the transmission, and I would know it was low when it started to moan, and it was in the first two gears, but this was a different deeper sound and if you listen the throwout bearing is forward, and the transmission noise would come up beside the driver. since i have been under mine a lot, is should be the same...listen to see if the sound is coming up by the stick, that is where the noise was on the F350... hope is some help.
     
  9. Greensystemsgo

    Greensystemsgo Self Proclaimed first gen expert :doh:

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    could also be carrier bearing on driveshaft. similar characteristics to when mine went out.
     
  10. joes06tacoma

    joes06tacoma Well-Known Member

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    The transmission input shaft and all gears are spinning with the trans in neutral and clutch pedal up with the engine idling.

    I have been able to hear the manual trans at idle in every Toyota I've ever driven. There is a normal noise level, anything above that is a cause for concern.

    If you only hear it at idle, and it's not that loud, it may just be normal. My 86 4x4 did it even after the trans was rebuilt. My work truck is an 09 and I can hear it too. My 06 is actually really noticeable, but that's supposed to be normal for the earlier six speed transmissions, and it's the same now as it was 20K miles ago.

    If you just now noticed it after major work on the truck, have you considered that you may just be focused on it now?
     
  11. TacoMX

    TacoMX [OP] TW's Official anti body-lift pundit

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    just replaced my carrier bearing. But I will look at it because I went aftermarket, not OEM.


    It could be a possibility that now that the body is 3'' closer to the tranny (where its SUPPOSED to be) that now I hear a sound that has been normal all along.

    I will just keep an eye (an ear) on it.
     
  12. SmogSUX

    SmogSUX No Money. No Love.

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    +1 on throw out bearing. I've had them make noise for 10k miles without issues, so don't worry about it. I just make sure to replace it when I finally replace the clutch.
     
  13. PL.TACOMA

    PL.TACOMA Member

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    If the noise goes away when the clutch is all the way pressed in, it is definitely the input shaft bearing inside of the transmission.

    I have a Civic with 450,000 miles on it, the input shaft bearing started making noise at around 300,000.
     
  14. TacoMX

    TacoMX [OP] TW's Official anti body-lift pundit

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    It goes away when the clutch is pushed in like half way
     
  15. TacoMX

    TacoMX [OP] TW's Official anti body-lift pundit

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  16. Robertgeejr1

    Robertgeejr1 Well-Known Member

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    I have done all the hi-pro mods for a life time, since I got this truck at a great price, I will be happy with showroom new.
    now give me some slack on this I had a stroke a few years ago, but that what is going on with your truck sounds like the lead-up on my old nissan. I was working alot in those days, which is why I just went to the dealership where I bought the car so if there was any problems with there work I would have some leverage. If your tranny fluid is full and I am sure you know it is that is all I can think of. good luck.
     
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