Rear vibration - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 09-26-2013, 05:27 AM Thread Starter
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Rear vibration

We'll after replacing u joint at rear off transfer case my vibration happens at any speed at half throttle. Since all u joints on rear driveshaft are replaced what are the chances my rear driveshaft is bent?
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post #2 of 9 Old 09-29-2013, 11:01 AM
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Originally Posted by cory5517 View Post
We'll after replacing u joint at rear off transfer case my vibration happens at any speed at half throttle. Since all u joints on rear driveshaft are replaced what are the chances my rear driveshaft is bent?
I am assuming you had this same vibration before changing ujoints?

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post #3 of 9 Old 09-29-2013, 11:42 AM Thread Starter
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Yes it seems to have gotten worse since I replaced u joints
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post #4 of 9 Old 10-01-2013, 11:05 AM
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I had something similar happening with my truck recently and it turned out to be loose ubolts in the rear. They were so loose you could grab the top spring and move it some. Replaced them and no longer have vibrations anymore. Have you checked those?

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post #5 of 9 Old 10-01-2013, 11:07 AM Thread Starter
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No I haven't but I will defiantly check that
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post #6 of 9 Old 10-01-2013, 10:19 PM
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Depends on how rusted up it is. Your balancing ring could be shot too. Tail bearing in your transfer case. Carrier bearing.

Fill out your SIG so we know if you have reg cab, ext cab, crew cab long/short bed. Possibly you didn't set you u-joints back in phase. Or you could have thrown a weight and need rebalanced.

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post #7 of 9 Old 10-18-2013, 05:20 AM Thread Starter
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I'm guessing in order to replace the tail bearing in my transfer case I need to have it rebuilt or is it something I can do myself?
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post #8 of 9 Old 10-18-2013, 01:06 PM
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If you figure it out I would like to know what you had to do. I have a similar vibe and have gone through everything but can't figure it out. I also have the stupid bed hop at 35-40mph.

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post #9 of 9 Old 10-18-2013, 02:01 PM Thread Starter
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Blderman I have the same bed hop at 35-40 mph and I can tell you all the parts I've replaced. I've replaced the throttle positioning sensor, all rear ujoints and the carrier bearing. I'm leaning towards my rear drive shaft being bent but my biggest challenge is the closest driveline shop is 50+ miles from me and they have a week turnaround, gotta have my daily driver. A new driveshaft runs $350 and up. I'm ready to figure this mess out.
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