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Old 08-23-2010, 08:53 PM
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Light/Med grinding/vibration

I have a vibration/grinding I think in the front I can not figure out. I checked everything visually you would check. THE sound is like I have large mud tires It's that kind of grind/howl from start up to speed and back down the howl/grind is consistent with my speed. I replaced the front bearing a month ago so know what sound those make. I am lost on this. Tires are 4 weeks old 285/e's I feel the grind/vibration in the pedals and lowerpart of the steering wheel and floor plus seat at times. It does seem to be getting worst unless I am thinking about it worst. I did 2000miles last week while stopping to check heat by touching the front rims/front and rear diffs and felt nothing too hot. There are no other rubs/Schweppes and thumps, Just the constant grind/howl/vibration.

I am at 285K on original equipt, What about a bad converter or tranny bearing
She shifts fine and acts fine
I'll take any suggestions at this point. Long-shots welcome
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Old 11-02-2010, 08:51 PM
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Bryan, I think I'm having the same/similar issue. I've got a 00 Ex and I get an intermittent grinding/vibration after 30mph. I've been reading about carrier bearings and drive shaft weights. Hope you find out the issue.
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Old 11-04-2010, 01:57 AM
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dont know if anyone sill reads this. but yes a carrier bearing goes out after lifting a truck, or having high mileage. i think mine was like $12 from ford? and $20 install? it made a WORLD of a difference and driveshaft is nice and quiet again
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Old 11-05-2010, 08:39 AM
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It sounded to me like it could be a wheel bearing but if its not a simple way to check the carrier bearing is to crawl up under your truck and try to wiggle your driveshaft at the bearing. if you get a good bit of play then you found your problem. a tiny bit of wiggle is normal but it shouldnt be sloppy.
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Old 12-21-2010, 05:58 AM
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Quote:
Originally Posted by BryanH View Post
I have a vibration/grinding I think in the front I can not figure out. I checked everything visually you would check. THE sound is like I have large mud tires It's that kind of grind/howl from start up to speed and back down the howl/grind is consistent with my speed. I replaced the front bearing a month ago so know what sound those make. I am lost on this. Tires are 4 weeks old 285/e's I feel the grind/vibration in the pedals and lowerpart of the steering wheel and floor plus seat at times. It does seem to be getting worst unless I am thinking about it worst. I did 2000miles last week while stopping to check heat by touching the front rims/front and rear diffs and felt nothing too hot. There are no other rubs/Schweppes and thumps, Just the constant grind/howl/vibration.

I am at 285K on original equipt, What about a bad converter or tranny bearing
She shifts fine and acts fine
I'll take any suggestions at this point. Long-shots welcome
I have the same issue. I think I have it pinpointed, but I will find out today when I replace the parts. I got under my truck and the front drive shaft had a decent amount of play in it. So, I'm picking up 2 new u-joints after work and will replace them tonight and report back.
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