06 F-250 intermitment gear grinds and clunking noise. - Ford Powerstroke Diesel Forum
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Old 09-13-2013, 12:43 AM
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06 F-250 intermitment gear grinds and clunking noise.

Hi guys,

I'm stump on what's going on with my rig a few days ago after I was at a dead stop to make a sharp turn I heard a slight gear grind followed by a loud clunk/bang for a split second before the truck was able to move the noise was hard to tell where it was coming from it almost sounded like its either coming from the differential or the transmission but its hard to tell because it doesn't happen all the time. Any ideas or suggestions on how to fix it is greatly appreciated.

Thanks in advance,

Doombugie
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Old 09-13-2013, 12:48 AM
RollinEarly05...now


 

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Have you checked your U-joints at the driveline and front axles if you had the hubs engaged
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Old 09-13-2013, 01:01 AM
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When the problem occurs the 4wd was not engaged nor was the hubs. But I'll have a look at the driveline tomorrow.
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Old 09-13-2013, 01:04 AM
RollinEarly05...now


 

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Do your automatic hubs work? I know if your hubs aren't working properly and you need to put them in the lock position for 4x4 that once you unlock them they will still stay in the locked position. Only way to unlock a auto hub that isn't engaging correctly is to turn the hubs from lock to auto three times... Back and forth stopping on auto.
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Old 09-13-2013, 01:08 AM
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i would think u joints. what cab configuration are you CCLB ECSB basically do you have a carrier bearing or not. when checking joint put truck in Neutral roll a bit then put on Ebrake while your rolling once yours stopped throw it back in park and check the u joints and carrier bearing.
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Old 09-13-2013, 01:17 AM
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Quote:
Originally Posted by MyTractorsSexy View Post
i would think u joints. what cab configuration are you CCLB ECSB basically do you have a carrier bearing or not. when checking joint put truck in Neutral roll a bit then put on Ebrake while your rolling once yours stopped throw it back in park and check the u joints and carrier bearing.
I believe its a ECLB, so by rolling it back and putting it in park am I looking for any movement on the driveline ?
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Old 09-13-2013, 01:31 AM
RollinEarly05...now


 

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Quote:
Originally Posted by doombugie View Post
I believe its a ECLB, so by rolling it back and putting it in park am I looking for any movement on the driveline ?
ECLB extended cab long bed (rear doors are suicide type)... Just incase you weren't sure on the abbreviation. I'm pretty sure mytractorsexy is having you verify the trans is holding the u-joints in a bind...
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Old 09-14-2013, 12:06 PM
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After I rolled the truck forward I don't see any binding in the U-joint or any side to side movement. But when I jack the rear end of the truck up the driveshaft spins freely followed by a loud clunk before the wheel starts to spin could this be a diff problem ? It sometime happens when I'm making a turn.
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Old 09-14-2013, 12:41 PM
RollinEarly05...now


 

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Possibly a problem in the differential housing... When is the last time you changed out your differential oil?
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Old 09-14-2013, 12:56 PM
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Quote:
Originally Posted by RollinEarly99 View Post
Possibly a problem in the differential housing... When is the last time you changed out your differential oil?
I haven't changed it since I bought the truck. But I did notice some diff oil coming out of the pinion seal.
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