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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Keystone Clamps

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Old Jun 9, 2007 | 02:42 PM
  #1  
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Keystone Clamps

I am trying to remove my driveshaft.
I have it disconnected at the rear axel, but the other end (slip yoke) won't slide all the way off of the spline shaft that protrudes from the carrier bearing.
It (slip yoke) seems to have a band of some type on the end with a greese fitting on it, and I think the Haynes manual refers to it as a Keystone clamp.

Does this have to be removed first, and how do you remove it. ??
It appears to contain a rubber oil/grease seal.

Does anyone know about this ??

I just realized it's not called a keystone clamp, I guess a keystone clamp is just one of those bands that secures rubber boots like on a CV.

It's more like a rubber lined cup which acts as an oil/grease seal.

How do you remove it ??
 

Last edited by netscaner; Jun 9, 2007 at 02:52 PM. Reason: New Info
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Old Jun 9, 2007 | 03:25 PM
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Towmanjbo
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most of the time you can just pull it right off the splines, but some times you just have to unscrew the keeper. By that I mean at the very end there is a "ring" with knurling on it that unscrews off the drive shaft it really is a cap holding the rubber gasket on to keep the grease in.
 
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Old Jun 9, 2007 | 03:47 PM
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Thanks towmanjbo.

Knurling..............you mean rust LOL.

I'm running out with channel locks and a pipe wrench right now.
 
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Old Jun 9, 2007 | 07:03 PM
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Darn, I might need two pipe wrenches, It doesn't seem to want to screw off.
 
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Old Jun 10, 2007 | 06:32 PM
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Clean it up with some brake cleaner and reattach the other end to the diff. Make sure you are careful near the grease fitting, you don't want to break it off.
 
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