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Q: cant figure out why right passenger side wheel wobbles when I hit 35-45 miles.

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I have a 2008 toyota sienna, when I hit 35-45 miles it wobbles a bit from the right driver side, when I hit 50-65 i cant feel it any more. it has brand new balanced tires, when I let the steering wheel it drives straight. I recently took it to pepboys cause I thought it might be a whhel baring, but they didn;t see anything wrong. what could the problem be?

My car has 125000 miles.
My car has an automatic transmission.

If the wheel bearing is good and the tires are balanced, it could be a tie rod end, a ball joint or a bent rim. Even though the tires are new, I would take it back to the installer and have them check the balance again.

Issues that arise at specific speeds are typically not balance issues. When a tire is out of balance or a rim is bent, these issues will usually get worse with higher speeds. Suspension issues can happen at certain speeds because loads on the suspension and steering change depending on speed. I did some research and the common complaint with your vehicle is a vibration under load. Double check for this yourself and see if it happens when you are accelerating from 35-45 mph.

In most cases this is due to a problem with the axle. But this will only be apparent under acceleration. I recommend having one of our technicians do a complete front end inspection in order to have this diagnosed and addressed properly.

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