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Got a tough one: Truck starts vibrating only while accelerating

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Dakoma, Jan 30, 2010.

  1. Jan 30, 2010 at 1:18 AM
    #1
    Dakoma

    Dakoma [OP] New Member

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    Leif
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    I have a 05 Tacoma with a 6-speed manual transmission and the V6 with about 74,000 miles. We just drove across country towing a heavy moving trailer, and towards the end of the trip (in the mountains) the truck started to develop a vibration or pulsation only while accelerating in all gears (especially noticable at highway speeds). As soon as you let off the accelerator, the vibration stops, but any time the drive train is under load it vibrates. Also, every once in a while, you can hear a chattering coming from the mid section of the truck when driving up a steap hill at lower speed.

    I think it might be the clutch, but when I took it into the dealership to see what they thought, the shop's "top mechanic" that I went on a test drive with said that since there wasn't any vibration in the clutch petal and I didn't smell any burning clutch, it probably wasn't the clutch. Not sure if he's right or not, but he didn't have any other idea of what the problem was..... Money is a little tight right now, and I'm a little apprehinsive of just dropping the truck off with neither myself or the shop having a clue as to the problem.

    So 2 questions:
    1. Anybody have any idea what the problem is? And what it might cost?
    2. How many miles can you expect out of a Tacoma clutch?
    Thanks for the help
     
  2. Jan 30, 2010 at 1:32 AM
    #2
    Dutch'nComa13

    Dutch'nComa13 Well-Known Member

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    Is your truck lifted at all? It may be the drive shaft out of balance or something to that effect. As far as the clutch on our trucks I'm not sure. However, I have an 85 celica with over 320,000 miles on it and only replaced the clutch, pressure plate, TOB, and slave cylinder once.:D It should be good for a while unless you wheel or tow a lot. I'm sure someone else will chime in here with extras.
     
  3. Jan 30, 2010 at 1:40 AM
    #3
    4WD

    4WD cRaZy oLdmAn

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    Smart money says its your carrier (center) bearing (2 piece drive shaft) Is there a slight howling or whining sound also ??.........:cool:
     
  4. Jan 30, 2010 at 1:49 AM
    #4
    JetTech

    JetTech Member

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    If not the Carrier Bearing, then drive shaft U-joints. I'd start by checking the torque on the U-joint fasteners... Just my 2cents.
     
  5. Jan 30, 2010 at 6:56 AM
    #5
    HankB

    HankB Well-Known Member

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    There's another thread about an owner who had a vibration that was originally diagnosed as a transmission failure: http://www.tacomaworld.com/forum/2nd-gen-tacomas/68278-2006-v6-automatic-transmission-failure.html. The problem turned out to be a broken U-joint.

    I'd inspect anything in the drive line that could allow the drive shaft to move off center.
     
  6. Jan 30, 2010 at 4:06 PM
    #6
    DrRabbitFurHead

    DrRabbitFurHead Yeah, there's a TSB for that!

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    My guess is j-joint or motor mount.
     
  7. Jan 30, 2010 at 4:08 PM
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    Asgard

    Asgard Well-Known Member

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    99% sure it's one of your u-joints that's bad
     
  8. Jan 30, 2010 at 4:12 PM
    #8
    08TRD Sport

    08TRD Sport ROOTIN AROUND

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    mmm I dunno
     
  9. Jan 31, 2010 at 1:35 PM
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    Dakoma

    Dakoma [OP] New Member

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    From time to time there is a chatter, or almost a sqeak coming from somewhere towards the middle of the truck. I checked the carrier bearing, and I can wiggle it back and forth a good 1/2". Is this normal??
     
  10. Jan 31, 2010 at 1:51 PM
    #10
    red neck toy

    red neck toy Well-Known Member

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    i had this same problem with my old 2000 tacoma 5speed.
    it vibrated when on the gas but when i let off it went away. i had a mechanic from toyota who is also a family friend look at it and before he looked at it he checked the frame for the recall they had and put a hammer right threw it lol so it qualified for the buy back recall. anyways to make a long story short i never found out what the problem was. good luck. it could be a u joint or somethin like that. all i know is that when my truck did it i checked u joints and everything and couldnt find anything wrong. i was gonna check the transmission but like i said never got that far.

    only thing i did find is that we held a long screw driver against the tranny and you could feel the vibration threw the screw driver. my grandpa thought it could be the tail shaft bearing or something like that.
     
  11. Jan 31, 2010 at 2:11 PM
    #11
    TacoSupreem

    TacoSupreem Dirty Trucker

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    My exhaust has a slight vibe when on the accelerator? but doesn't clunk?
     
  12. Aug 11, 2010 at 9:13 PM
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    sctaco

    sctaco New Member

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    I have excessive vibration while accelerating in my 2005 pre runner 4cyl 2 wheel drive manual transmission. I have read a lot of post about what could be the problem so I decided to investigate to see if any of these things apply to my truck. I was able to discover what look like bearings coming apart where my two piece drive shaft connects (the piece closer to the transmission). Not sure though so that's why I am here. Please take a look at the picture below and tell me if this could be a reason why I am feeling the vibration. THANKS

    [​IMG]
     
  13. Aug 11, 2010 at 10:02 PM
    #13
    Wingit

    Wingit Member

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    Looks like there shot, that red dust is the powder of your bearings being ground up. I had the same vibration under acceleration, my u joint looked like yours, replaced them and everything is good now.
    In fact by the looks of that I wouldn't waist any time getting that replaced.
     
  14. Aug 11, 2010 at 10:13 PM
    #14
    BlueT

    BlueT Well-Known Member

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