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Old 10-14-2011, 03:31 PM   #1
stang3191
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Join Date: Nov 2010
Location: rock island il
Posts: 32
please help rear end problem

i have a 98 silverado i bouaght from a guy and he did a 76 14 bolt rear swap in it.the 14 bolt has 3.90 gears and he align everything up and did it right.

but my question is i keep breaking the u joint right were the driveshaft bolts to the u joint this is my third one and no shop is really helping me out.what could be wrong.

has anyone else done this swap.
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Old 10-16-2011, 12:06 AM   #2
88copperhead
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Re: please help rear end problem

have not done this swap but angle of rearend could be off putting a bind on u joint
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Old 10-16-2011, 12:28 PM   #3
knightfire83
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Re: please help rear end problem

Quote:
Originally Posted by stang3191 View Post
he align everything up and did it right.
Apparently not. Any chance of getting a picture of the drive shaft / rear end?
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Old 10-16-2011, 02:55 PM   #4
ChevyTech
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Re: please help rear end problem

Maybe the drive shaft is to long, and when the suspension is compressed the slip yoke is bottoming out, and breaking the u-joint.
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For those of you that are wondering why you are not getting replies to your thread:
Did you give the model, year, engine, fuel system type, and transmission information?
If it is modified from what came stock from the factory, let us know that too.
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