drive shaft vibration question! - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 06-16-2012, 10:30 PM Thread Starter
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drive shaft vibration question!

I have a 94 F350 diesel 7.3 . A while back I did a 4" lift kit . I then started to get a vibration off the drive shaft . So I lowered the yolk 3/4" and it made it better. I don't want to mess it up so I ask. How low can I lower the yolk without stressing the u joints? what is the proper adjustment to correct the vibration. If lowering the transmission is an option on these trucks ,the by how much? thanks fellas.
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post #2 of 7 Old 06-17-2012, 07:32 AM
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Usually folks that do a 4" lift shim the carrier bearing down about 1". Cheers!

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post #3 of 7 Old 06-17-2012, 05:53 PM
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Ya I'm thinking maybe something with the carrier bearing.
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post #4 of 7 Old 06-17-2012, 06:02 PM Thread Starter
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perfect. i'll do that . thanks for the tip fellas.
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post #5 of 7 Old 06-17-2012, 06:02 PM
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Lower the carrier bearing and check your ujoints. which yolk?

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post #6 of 7 Old 06-17-2012, 09:56 PM
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Definitely check the carrier bearing angle.


And fellas, it's YOKE. Yolks are in the center of eggs.

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post #7 of 7 Old 06-17-2012, 10:58 PM
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Check u joints first, don't know how I can stress it enough, maybe one is out the door, they only last so much bud

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