Question about 2005 Scion xB

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My xB makes a hurring sound as if you placed your tongue on your palate and make it vibrate. This happens when the car gets above 25 mph.

My scion make this noise like hurring verses a grinding or whurring sound. It happens above 25 MPH and above. The auto shop checked the car out but can not positvely tell me if the rear bearing is the culprit. On the rack, they turned the wheels and monitored with a stetiscope and are not able to pick up any bearing noises that are normally present when bearing are about to go out. The noise is a little less when I am making a left banking turn. Sound started with low noise 5 days after front tires were changed. Garage ruled out CV system, Wheel alignment. Best guess was rear left bearing. According to parts supplier bearing/hub assembly is about $500.00 USD not counting special order charge on a best guess.

The car has 75,000 miles on it, is not driven abusively. Seldom do I have to go over 60 MPH. Average daily speed is about 35 to 45 MPH. Oil changes are not always on time...I do have engine sludge removed from oil pan when engine is flushed if I fail to change on time ( 10K to 12K miles from last oil change.

Pleae advise.

Roland on Guam

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Just athought, have you used the same tyres on the front, or are they a different brand. Virtually impossible to determine if you have a wheel bearing problem over the net, I would take the best advice you can get from people that have taken it for a drive.


Posted on Nov 03, 2008

  • Graeme Ross
    Graeme Ross Nov 03, 2008

    Go to a dealer for the vehicle and let them hear the sound also, go back to the place where the tr=yres were fitted and get their opinion also. There may be some light they can shed upon it. I asked about the tyres,as a different brand can often sound entirley different to the old ones, and lead you up the garden path so to speak.



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