Vibrating significantly when reaching speeds of 55 mph or above

Tiny
REDHOT4LYF
  • MEMBER
  • 2005 TOYOTA HIGHLANDER
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 251,000 MILES
My 2005 Toyota Highlander V4 engine front wheel drive car started vibrating significantly when reaching speeds of 55 mph or above. If I remove my leg on the acceleration, the vibration stops while the car is rolling but when I throttle, it starts again. The vibration is very violent and shakes through the whole vehicle.
I took it to the mechanic and they found nothing with a visual inspection. They also checked the arms and bow joints, Thyroids and linkages and confirmed they are OK. They recommended new tires which I bought and they re-balanced the tires and did alignment. When we tested the car, the vibration was still there from 50 mph and increases significantly as you accelerate faster.
Any advice on what the problem is and how to solve it?
Wednesday, September 10th, 2014 AT 4:58 AM

6 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,837 POSTS
If all steering components are good, you have new tires and an alignment, and the struts are good, that doesn't leave much. Tell me, did they check for a bent rim? Also, do you feel the vibration more in the steering or the floor / seat of the vehicle?
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Wednesday, September 10th, 2014 AT 5:20 AM
Tiny
REDHOT4LYF
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  • 4 POSTS
Yes they did. The also did a wheel balancing on each tire and rim before fixing the new tires.
I feel the vibration more on the steering and the front tires.
Thanks
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Wednesday, September 10th, 2014 AT 6:01 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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They have to be missing something. There isn't anything left to check if this was all done. The only thing left I can think of is where the front axles go into the transmission. There could be play there.
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Wednesday, September 10th, 2014 AT 8:48 AM
Tiny
REDHOT4LYF
  • MEMBER
  • 4 POSTS
I also observed that d passenger seat beside the driver toggles side by side due to the vibration when nobody is seated on it. The mechanic is recommending I change my front shock absobers that it will stop.
Please advice.
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Wednesday, September 10th, 2014 AT 10:07 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,837 POSTS
If the shocks are blown out, it could cause. However, I must be honest, it usually won't take care of an issue like this.
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Wednesday, September 10th, 2014 AT 5:15 PM
Tiny
REDHOT4LYF
  • MEMBER
  • 4 POSTS
Thank you so much for your professional advice!
I will tell them to check where the front axles goes into the transmission for any play.
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Thursday, September 11th, 2014 AT 12:06 AM

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