questionable at best. - Ford Powerstroke Diesel Forum

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post #1 of 2 Old 01-30-2012, 05:27 PM Thread Starter Rookie
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questionable at best.

Hey guys im having some issues with my rig, a 2005 6.0L BD tune 4ěnch turbo back pete stacks. Just recently my truck has been getting a weird vibration in the higher gears. When i accelerate in my highest gear i get a mean vibration but it goes away with time. The truck shifts from 0-110kmh no problem no slips and very responsive however when i let off the accelerator at 110 and let the truck shift to overdrive a get a mean vibration almost like the trannys slipping or something. however when i hammer down on the gas peddal it down shifts and goes no problem and even shifts down nice when i let off. so confused any ways any help would be greatly appreciated thanks guys

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post #2 of 2 Old 02-03-2012, 07:05 AM
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Block your wheels, put everything in nuetral and check your driveshafts for play, could be the U joints. If you have any play, up down, side to side, rotational in the joints, it time to change them. while you under there chech that the down pipe isn't too close to the frame rail, not sure if you touched this recently.

2004 F350 ECSB Powermax, 4" turbo back with muffler, SCT Livewire w/ SRL, ARPs, EGR delete, Spring, Banjos, some other zoodads

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