New U-Joints and Hubs

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12-22-2016, 10:50 AM

#16

ElMartillo

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Join Date: Dec 2015

Location: Nationwide, USA

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Year: 89

Model: Cherokee

Engine: Renix 4.0

Quote:

Originally Posted by bad_idea

I have to do u joints soon. Do you have to drain the fluid from the diff before pulling the shafts? Is the fluid level above the shaft seals? Would prefer to avoid draining the diff if possible, I just filled it last month.

Quote:

Originally Posted by Jeepin'_Aint_EZ

No, you don't need to drain any fluid.

You may get a little differential oil leaking out the wheel end of the axle housing, depending on what angle you have the axle supported at. No big deal. The bigger deal is to make sure you don't drag the axle along the bottom of the housing upon reinstallation. There's a bunch of crud that can get pushed into the axle seal and differential. Not good.

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