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Old 04-06-2018, 09:30 AM   #1
BennyLava
 
Drives: 1987 Silverado
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Wheel bearing wobble?

My 09 Yaris sedan seems to be suffering from the same problem that I talk about below. The car has 200k miles on it. I wanted to ask you guys if you've ever experienced this. I recently replaced the sway bar links on the Yaris, cause they were shot. So that isn't the issue here.

Anyway I Just replaced my front wheel bearings on my 1987 chevy silverado, and man what a difference. Everyone always talks about how you'll know they're bad: Mainly that it will make a noise and when you jack up the vehicle and rock the tire, you'll be able to tell. But does anyone ever talk about how bad wheel bearings make the vehicle seem to... wobble side to side? Its almost as if high winds were buffeting the vehicle from the side. On the highway. Its not all that noticeable when just driving through the neighborhood, or in town at lower speeds. But sometimes even then.

Could my 200k mile yaris be suffering from the same problem? Worn out wheel bearings. Could the slight wobble from side to side at highway speeds, be the result of bad wheel bearings? I wanted to ask because an 09 yaris is pretty different in many ways, in comparison to an old chevy truck. But they both seem to be behaving in the exact same way, and when I replaced the wheel bearings on the chevy, it completely fixed the problem.
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Old 04-06-2018, 10:06 AM   #2
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Possibly, but the yaris is a much much lighter vehicle and tends to be easier on bearings as well as normally shifts side to side from the wind. Unless this is a problem you just started noticing, i wouldn't change them for the sake of changing them. Unless your wheel has play in it while jacked up or the wheel spins with resistance inn the bearings
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Old 04-06-2018, 10:53 AM   #3
BennyLava
 
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Yes it is a problem that I just started noticing. It will now do it, even on windless days. So I guess... put the car in neutral and spin the wheels?

Also, its definitely the passenger side. I tested the driver's side and its all good. Can't rock the tire from top to bottom, or side to side. Its pretty stiff. But on the passenger side, it rocks pretty good and you can hear a bit of a clunk when you rock it. Only thing is, it doesn't really rock evenly. It only seems to have movement near the front of the car.

So you can wiggle the tire side to side, or from top to bottom, and only the part of the wheel that is closer to the front of the car seems to be loose. The back end of the wheel, (the half that is closer to the driver's door than the front of the car) seems to be pretty stiff. Basically you can grab the right side of the tire, and wiggle it and it will clunk and be loose. But if you grab the left side, its still fairly stiff. If you grab both sides of the tire at once and wiggle it, you notice that only the right side of the tire really has much movement. I thought that a wheel bearing would be evenly distributed in its... looseness. So maybe its a dead tie rod?
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Old 04-06-2018, 12:11 PM   #4
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Likely a wheel bearing then but i would take a pet bar and pet the control arm around to see if it is a bushing, ball joint or tie rod. Chances are high it's the wheel bearing
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Old 04-06-2018, 12:40 PM   #5
BennyLava
 
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Hmm never heard of a pet bar. I have a pickle fork for separating ball joints.

But I just found out the wife ran over a median the other day with that side. So she probably broke something. Shouldn't be too awful hard to find once I crawl under there and get a good look around. I would like to see what a pet bar looks like though.
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Old 04-06-2018, 02:33 PM   #6
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Quote:
Originally Posted by BennyLava View Post
Hmm never heard of a pet bar. I have a pickle fork for separating ball joints.

But I just found out the wife ran over a median the other day with that side. So she probably broke something. Shouldn't be too awful hard to find once I crawl under there and get a good look around. I would like to see what a pet bar looks like though.
Spell check ftw! Pry bar is What I meant
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Old 04-06-2018, 04:33 PM   #7
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Pet bar...so that's where Fido has been all night.
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Old 04-06-2018, 06:26 PM   #8
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Now he's drunk.
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