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81 ujoint bolt stripped

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Old Jun 6, 2026 | 01:04 PM
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Default 81 ujoint bolt stripped

I'm replacing the 4 ujoints on the half shafts and 2 of the 12 point bolts stripped. I was able to remove the drive shaft since it was one bolt on the wheel side and one on the diff side. Tried a bolt extractor but it's for a 6 point and didn't work. Couldn't get a good bite. Anyone have any solid recommendations? Pound on a smaller socket? Doing on my back so not a ton of room to bang away. Thanks in advance.

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Old Jun 6, 2026 | 05:38 PM
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When I did that job, I cut all the U-Joint straps. Then it was a lot easier to get a socket hammered onto the old bolts. I bought new straps and bolts from Spicer/Dana.
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Old Yesterday | 02:47 PM
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Originally Posted by Shaba
I'm replacing the 4 ujoints on the half shafts and 2 of the 12 point bolts stripped. I was able to remove the drive shaft since it was one bolt on the wheel side and one on the diff side. Tried a bolt extractor but it's for a 6 point and didn't work. Couldn't get a good bite. Anyone have any solid recommendations? Pound on a smaller socket? Doing on my back so not a ton of room to bang away. Thanks in advance.
Originally Posted by Bikespace
When I did that job, I cut all the U-Joint straps. Then it was a lot easier to get a socket hammered onto the old bolts. I bought new straps and bolts from Spicer/Dana.
Ya might weld a sacrificial socket onto em as well.
x2 on buying new spicer straps & bolts.
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Old Yesterday | 04:36 PM
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Thanks for the advice. I got them out. I managed to wiggle the ujoints out of the dust caps and out of the yoke and remove the half shaft. That gave me more room to bang on a bolt remover which did the job. I was lucky as there was only one stripped bolt on each end of the shaft. Replacing all 4 ujoints on your back is a pita job though. Thanks again.
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