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'08: Help diagnosing vibration problem

Discussion in 'Gen 2 Prius Main Forum' started by gak27, Jun 29, 2010.

  1. gak27

    gak27 Prius, Take Two

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    Greetings all!

    Shortly after having my tires rotation/oil change service, I noticed a strong vibration around 45 mph, enough to visibly shake the passenger seat. Other indications:

    - It is most noticable when accelerating (e.g. entrance ramp), much less when coasting at 45. I can coast at 45 and when I accelerate feel the vibration increase.
    - I did not notice the vibration prior to the tire rotation, so I think it is unrelated to my accident in November.
    - The vibration is not apparent at all below 40.
    - I had all 4 tires rebalanced (thinking one of them may have thrown a weight) and I still have the vibration.
    - I do have a little irregular wear on the tires (inside shoulder).

    Before I take it in and have it looked at, I was thinking of taking off one wheel at a time and testing the car w/ the spare on to see if it is one of the tires.

    Any other ideas about potential problems that could cause this vibration?

    Greg
     
    #1 gak27, Jun 29, 2010
  2. jdcollins5

    jdcollins5 Senior Member

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    Since this began right after tire rotation and you have eliminated the balancing part, the irregular wear on the tires could very well be the issue.

    You could try the spare in different locations to see if a single tire is causing the problem or rotate the tires back to where they were and see if the problem goes away.
     
    #2 jdcollins5, Jun 29, 2010
  3. paprius4030

    paprius4030 My first Prius

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    I'd have who ever balanced the tires do it again.
     
    #3 paprius4030, Jun 29, 2010
  4. firepa63

    firepa63 Former Prius Owner

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    Yes, rebalance the tires. One may have lost a weight.
     
    #4 firepa63, Jun 29, 2010
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