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feel a thud when taking off from a stop

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Old Aug 13, 2009 | 08:39 PM
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feel a thud when taking off from a stop

2001 f 250 sd with e v10 I come to a stop and when I take off you feel threw your seat something a lil jerk I guess you could say. I have check the joints, ball joints check suspension parts and not finding it. any suggestions
 
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Old Aug 13, 2009 | 09:02 PM
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Take a look at the carrier bearing and the ujoints on the rear shaft. Then wiggle the pinion shaft to see if it has play. I'd also take a look at the leaf spring bushings, if they are deteriorated it could allow the axle to shift around.
 
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Old Aug 13, 2009 | 10:39 PM
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Make sure your rear axle u-bolts are tight, and grease the slip joint in the drive shaft.
 
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Old Aug 13, 2009 | 10:46 PM
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you need to grease the slip joint splines on your driveshaft. that will fix it
 
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Old Aug 13, 2009 | 10:54 PM
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Originally Posted by greedyg76
you need to grease the slip joint splines on your driveshaft. that will fix it
Yep... that fixed the thud on mine....

Here's a write up about it from eurekaboy....
http://www.eurekaboy.com/f250/slipjoint.htm

and here's mine since my driveshaft is different than that in the first link..
http://www.frontiernet.net/~jmray/F250SlipYoke.htm
 
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Old Aug 13, 2009 | 11:18 PM
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agreed...

i bet its the slipjoint on the driveshaft...
 
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Old Aug 14, 2009 | 12:23 AM
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My just started clunking as well. Looks like I'll be addressing this tomorrow. Just wish I had thought about it when I replaced the rear U joint last year.
 
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Old Aug 14, 2009 | 08:43 AM
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Originally Posted by cole60
2001 f 250 sd with e v10 I come to a stop and when I take off you feel threw your seat something a lil jerk I guess you could say. I have check the joints, ball joints check suspension parts and not finding it. any suggestions
A few days ago my buddy asked me the same thing. It turned out it was his 48'' lawn mower sliding back against the tailgate in the bed.

 
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Old Aug 15, 2009 | 12:30 AM
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I had a clunk when accelerating from a stop. It wasn't too bad, but noticable. Turned out to be the back rear ujoint. Did both rears and greased the spline. It was a big improvment.

Rick...
 
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Old Aug 15, 2009 | 07:20 AM
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Grease my slip yoke 4 years ago & that took care of it. It has started doing that again. This time I will use the recommended synthetic grease.
 
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Old Aug 15, 2009 | 08:01 AM
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easy

Thanks guys would not have given the slip any thought so ill give it a try thanks
 
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Old Aug 15, 2009 | 02:39 PM
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Went to do this today and found that the bolts are not regular hex head. Does anyone know what the bolt is so I can get the proper wrench for it? It is like a 12 point 1/2 inch but the 12 point 1/2 inch wrench I have is just loose enough to slip under high torque.
Thanks
 
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Old Aug 15, 2009 | 03:46 PM
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12 MM 12point wrench
 
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Old Aug 15, 2009 | 07:42 PM
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Originally Posted by qwertmonkey
A few days ago my buddy asked me the same thing. It turned out it was his 48'' lawn mower sliding back against the tailgate in the bed.

I was going to ask if was the keg rolling back into the tailgate.
 
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