does your f250/f350 4x4 sb have a driveline vibration under accel?

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10-09-2006, 03:02 PM

#11

Smitty

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

I shimmed the center bearing about 1/2 inch and all is good.

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10-11-2006, 07:31 AM

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berns29scarab

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

i have a 1 piece drive shaft

10-11-2006, 08:53 AM

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Jupiter Sunsation

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

The easiest fix is to BUY A DURAMAX- Vibration free from the factory!

10-11-2006, 09:35 AM

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ZBODaytona

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

Quote:

Originally Posted by berns29scarab

i have a 1 piece drive shaft

and you still have an excel shudder???? could be axle wrap...maybe they installed lift blocks instead of new leafs springs (not a bad thing)...but lift blocks do put more leverage on the axle so if you had the shudder before then it will be there even worse after the lift, you could add traction bars (ladder bars)...or the rear pinion angle is off. does it point straight at the transfer case? maybe it just needs a rear shim. just some thoughts on it.

10-11-2006, 11:58 AM

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berns29scarab

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

blocks and shocks in rear, springs,shocks and all other kinds of stuff up front

10-11-2006, 12:00 PM

#16

berns29scarab

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

Quote:

Originally Posted by Jupiter Sunsation

The easiest fix is to BUY A DURAMAX- Vibration free from the factory!

not if ya want a truck that can really haul the mail...GM's are just to soft

10-11-2006, 01:09 PM

#17

ZBODaytona

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

Quote:

Originally Posted by berns29scarab

blocks and shocks in rear, springs,shocks and all other kinds of stuff up front

well the blocks are probably not helping...they added to the leverage on the rear...if you got a new set of springs and took out the block it might help, but i think you said that you had this before the lift, then i think a ladder bar might be a better answer. The rear is twisting up on excel, causing the pinion angle to change, this is the shudder....the ladder bars will keep the rear from twisting up, the new springs minus the block could have the same effect, though usually a lift spring is stiffer then the stock and will make it ride a little stiffer... My buddy had a 97 with 8inch and he had the same issue, so we built the bars and it solved it...side note.check to make sure the rear pinion is aimed straight at the back of the transfer case...if it is to high it will have the same effect...could be to much shim or not enough. just my 02 though i really think the ladder bar would help, and some like the look....I have them on my big mud truck, they keep the rear planted better.....

10-11-2006, 01:19 PM

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nomomoney

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

I have an 06 F-250 crew cab shortbed and mine also vibrates badly when accelerating with the boat attached.

10-12-2006, 07:53 AM

#19

kennyo

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

Quote:

Originally Posted by ratman

i drove 3 different f250 and f350 4x4 shortbed psd srw trucks, all of them had a driveline vibration under hard acceleration from a dead stop. some were more pronounced than others. i figure it will be much worse towing a heavy load. i asume it has something to do with the 2 pc rear drive shaft. are any of you guys getting the same type of vibration. these were 2001 and 2002 model year trucks, thx for youe input, rm

That's the tires fighting for traction!

10-15-2006, 08:28 AM

#20

ratman

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Re: does your f250/f350 4x4 sb have a driveline vibration under accel?

Quote:

Originally Posted by Jupiter Sunsation

The easiest fix is to BUY A DURAMAX- Vibration free from the factory!

cant do a chevy...when the injector problems start i'd be screwed in central america, i use to work at a chevy dealer, the duramaxes are in there constantly with injector issues. the redesigned injectors haven't solved the problem

i love gm stuff but the injector issues nix it for costa rica

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