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U Joint bore prep

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Old Nov 30, 2024 | 10:37 AM
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Default U Joint bore prep

I recently painted my half shafts and U joints. I need to clean the bores for the U-Joints. What is the best way to do this? My thought was emery cloth (scotch brite) pads and use a pick to clean out the clip recesses. If emery cloth doesn't remove the paint/primer/rust, should I use sand paper? If so, what grit? I also have a little steering brush attachment on my dremmel. Should I use a coat of oil inside when reinstalling them? Also, I plan on painting the u joint after it is installed to prevent rust.

Thanks,
Brandon

Last edited by vetteman061; Nov 30, 2024 at 11:17 AM.
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Old Nov 30, 2024 | 11:33 AM
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The best is a brake cylinder hone to clean them up. Rock Auto usually has the best price.

https://www.rockauto.com/en/tools/br...r+hone,1000977
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Old Nov 30, 2024 | 01:15 PM
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Take too much off and the caps will spin
just use some emery and clean off the paint and deburr them
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Old Nov 30, 2024 | 06:10 PM
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Thanks for the responses.

@GTR1999 If I deburr any areas, what should I use to to that?
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Old Dec 1, 2024 | 08:02 AM
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put some acetone on a rag and wipe off the paint....and put them together.
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