Light Accel Vibration - Ford Powerstroke Diesel Forum
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Old 02-07-2014, 05:08 PM
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Light Accel Vibration

So now that I'm getting a good bit of the kinks out of my newly aquired 2000 I'm noticing a light accel/easy decel vibration. It was really bad, but after removing my front locking hubs, its much less harsh. I will reassemble them after I repair a broken stub shaft I was lucky enough to get with my new purchase.

So far I have removed the driveshaft and greased the slip joint, and that is about it other than checking axle and driveshaft ujoints.. I recently replaced the transmission with a ZF swap so the driveshaft may be out of phase, but I would think it would vibrate all the time if that were the issue.

Tomorrow I plan to check the diff fluids as I still haven't had a chance to change them, just to make sure they aren't low on fluid.

Anyone have any insight or advice on other things to look for.

Thanks,

David
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Old 02-07-2014, 06:46 PM
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i had that same vibration. changed u joints and sent both front a rear shafts for a balance. problem solved. i just have that other noise you were reading about left to figure out
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Old 02-08-2014, 05:37 PM
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So after a thorough inspection today, it seems that I have way too much slop in my spline shaft and yoke behind the transfer case. I packed the yoke with grease and the slip went away, but I'm sure that it's causing me problems. I'm having some terrible shuttering at take off as well.

Looks like I will be headed to a driveshaft shop to replace the splined end and the slip yoke. I will update again after I can get it looked at, but that stub shaft is next on my to do list.

David
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Old 07-30-2014, 10:01 AM
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So it took a while but I ended up addressing this issue. The closest driveshaft place to me quoted me over the phone to repair my slip joint (replace with new slip yoke and splined stub) but doubled the price once I brought in the shaft. I ended up purchasing a brand new shaft from Carolina Driveline. From the day they took the order until it was on my porch was 7 days, total cost with shipping was $289. Needless to say I couldn't recommend them more, they were very helpful and have quality parts. Best part of all is my vibes are gone and its all fixed.

David
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