driveline vibration and loud squeeling - Ford Powerstroke Diesel Forum
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Old 07-23-2010, 03:24 PM
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driveline vibration and loud squeeling

I've got an '02 f-350, CC, LB, and it has a bad vibration that i can't pinpoint where its coming from. It usually happens at about 40-45 mph, and then again at anything above 70. It feels a lot worse than a tire balance issue, at 40 it feels like the whole truck hops up and down, then at 70 it kind of feels like tire balance but worse. Then today I noticed that when I take off from a stop there is a loud and prolonged squeel. It doesnt sound like a u-joint squeak, sounds more like brakes, but louder, and it sounds like its coming from the rear of the truck. Could a bad driveshaft carrier bearing be causing all this ruckus? Open to any other suggestions...
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Old 07-23-2010, 03:27 PM
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Quote:
Originally Posted by 95XL View Post
Could a bad driveshaft carrier bearing be causing all this ruckus?
Yes. When mine went out on my last truck, everything you just described happened.

EDIT: BTW I love your tattoo. I've been thinking of getting something similar on my back.
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Old 07-24-2010, 08:52 PM
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Question Where is the carrier bearing?

Is the bearing easy to access or a bearing on the driveshaft?

I have the EXACT same problem at th EXACT same MPH!!
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Old 07-25-2010, 08:24 AM
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Has anyone changed a rear end carrier bearing that can give me some tips?

Thanks
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Old 07-26-2010, 12:13 PM
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I just unbolted the bearing from the crossmember so I could spin it around the driveshaft and listen to it, it had no play in it to speak of, but it does kind of sound like a dry ball bearing when I spin it, but not much, kind of faint. It doesnt seem like thats the problem, but i guess it could be. Anybody else's sound like this with no play?

oakville, the bearing itself is super-easy to get to, getting it off the shaft is something I haven't tackled yet.
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Old 07-28-2010, 12:45 PM
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Carrier Bearing Replacement W/pics. - Ford Truck Enthusiasts Forums
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Old 07-29-2010, 05:43 PM
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Buddy had the same issue I did all three u-joints carrier bearing and a spline grease job and still has the same vibration
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Old 08-18-2010, 07:36 PM
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I got a vibration and thought in was the front bearing b/c I feel it in the steering wheel. Mine starts at 55mph. I am in New Orleans tonight and a bit nervous about heading home. Any progress on this issue y'all?
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Old 08-27-2010, 03:08 AM
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im having the same issues, i have had the wheels balanced and rotated and im leaning towards the hub bearings, or ball joints, but the ball joints are fairly new.
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Old 10-14-2010, 02:05 PM
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Any updates on this? I just did my carrier bearing today and took the truck out. No dice...still same vibration although it seems a "little" better. The bearing was totally shot and was actually leaving some gunk on my driveshaft. I really had to hit it with a wire brush to clean it. I thought for sure that would have been it, but to no avail.

Mine seems to be really bad between 35-40 and anything above 65 I have the vibration. I also get a clunk under the truck when hitting bumps. I guess I'm gonna start looking at other places.

Any ideas????
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