Is my hub assembly bad...vibration/wobble - Ford Powerstroke Diesel Forum
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Old 06-14-2013, 06:19 AM
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Is my hub assembly bad...vibration/wobble

i have a 99 f450 2x4. I'm getting a vibration/wobble at around 65mph. I feel like its coming from the drivers side front. I just got new tires and its still doing it. Ball joints are new, Tie rods are new, drive shaft balanced and u joints are new, new transmission and injectors as well.

I jacked the car up and I feel/see no play in the tires, but when I turn the wheel I do hear a small grind noise.

How much noise should I hear from the hub assembly when I free turn the front wheels?

Thanks
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Old 06-14-2013, 06:42 AM
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no noise is good noise

but to feel a wobble you should feel play

be aggressive and even use a pry bar // side to side and up and down wiggle it ( leave the opposite tire on the ground to isolate the wheel your inspecting

EDIT just caught the 2x4 thing ,my list should still apply but I am not familiar with the 2x4 wheel bearing set up ?

Last edited by ZMANN; 06-14-2013 at 06:46 AM.
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Old 06-14-2013, 01:30 PM
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I did exactly what u suggested. I pried with a bar and left one wheel on the ground. I see no abnormal movement.
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Old 06-21-2013, 10:25 AM
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bump!!!!!..
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Old 06-22-2013, 03:39 AM
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Take it out to a very low traveled road and drive it like a NASCAR driver would when they warm up the tires. Driving slow turning the wheel back and forth kinda hard to put road force on each wheel bearing. If you turn left and it gets worse, then its the right side.

At least a 2WD bearing is much cheaper.

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Old 06-22-2013, 03:40 AM
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Quote:
Originally Posted by hucorey View Post
Take it out to a very low traveled road and drive it like a NASCAR driver would when they warm up the tires. Driving slow turning the wheel back and forth kinda hard to put road force on each wheel bearing. If you turn left and it gets worse, then its the right side.

At least a 2WD bearing is much cheaper.
If it is a bearing, only buy Timken.

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Old 06-22-2013, 03:59 AM
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Originally Posted by hucorey View Post
Thank you for responding. I'm really don't hear much as the engine is too loud. While driving there is a slight roar but more of a vibration or wobble feeling in floorboard and pedal.

Is moog brand ok?

I will try ur method again and see if I hear anything again.

I'm getting ready to pull much 5th wheel on a 3-4 month trip hopefully I can figure out what's wrong soon. Any input is appreciate.
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Old 06-22-2013, 04:07 AM
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Originally Posted by yobie View Post

I jacked the car up and I feel/see no play in the tires, but when I turn the wheel I do hear a small grind noise.

Thanks
This is confusing. Do you hear grinding when its on jack stands??? Or is it when your driving or tires on the ground??

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Old 06-22-2013, 04:30 AM
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Originally Posted by yobie View Post

Is moog brand ok?

.
No. MOOG is great for suspension/steering components though.

Buy Timken, SKF, or NSK. SKF and NSK aren't normally carried at your local parts stores though. Usually at an industrial supply shops.

Not National or any common car part supplier.


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Old 06-22-2013, 04:38 AM
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Originally Posted by hucorey View Post
This is confusing. Do you hear grinding when its on jack stands??? Or is it when your driving or tires on the ground??

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When I jack one side up and push/pull at 12&6 and 3$9 there is no play. But when I rotate the wheel as if the car was moving forward there is a grinding noise from the hub. I just didn't know if a little was normal or if it should be quiet.
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