VIBRATION ON TAKE OFF - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 12-09-2011, 07:16 PM Thread Starter
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VIBRATION ON TAKE OFF

I have a 06 f-250 with an 8in lift and a slight vibration at take off. from about 1mph until 8mph if im easy when i start off its not as bad. any one know what it may be?


2008 f-250 LARIAT, SCT LIVEWIRE, S&B CAI, 8" MBRP STACK
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post #2 of 16 Old 12-09-2011, 07:17 PM
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Is your carrier bearing shimmed properly?

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post #3 of 16 Old 12-09-2011, 07:26 PM
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I have the same problem. My carrier bearing is shimmed very close to perfect, but I was told that my problem may go away with one more shim.??? I was also told that a one piece drive shaft will knock out that problem... I'm gonna try the shim first cause its WAY cheaper! I priced a one piece shaft @ around $400...



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post #4 of 16 Old 12-09-2011, 07:29 PM Thread Starter
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its dropped about 2.5" i have had no problems at all until today when i put a new carrier bearing on it.


2008 f-250 LARIAT, SCT LIVEWIRE, S&B CAI, 8" MBRP STACK
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post #5 of 16 Old 12-09-2011, 07:35 PM
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are your U joints all good?

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post #6 of 16 Old 12-09-2011, 07:44 PM Thread Starter
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Quote:
Originally Posted by mudrunninpig View Post
are your U joints all good?
Yeah replaced them a bout 6 months ago. i took the bracket loose and it doesn't seem to slide very easy and was hard to get it centered back up to bolt it back up. kept wanting to go to the side


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post #7 of 16 Old 12-09-2011, 08:12 PM Thread Starter
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one more question. do the 1st and 2nd part of the drive shaft need to be at the same angle? because from what i can tell they're in line with each other almost looks like a one piece.


2008 f-250 LARIAT, SCT LIVEWIRE, S&B CAI, 8" MBRP STACK
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post #8 of 16 Old 12-09-2011, 08:26 PM
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It dosen't matter as long as the angles cancel each other out. You would need a protractor to check them all.

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post #9 of 16 Old 12-09-2011, 08:34 PM Thread Starter
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can you go a little more in depth with that? and i dont get how putting a new bearing in can cause that.


2008 f-250 LARIAT, SCT LIVEWIRE, S&B CAI, 8" MBRP STACK
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post #10 of 16 Old 12-09-2011, 08:38 PM
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Maybe your old bearing was letting the propshaft sag and the driveline angle was correct. Now your new bearing picked up the shaft a bit, causing your issue.

Allen
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