Rear axle throwing oil

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eran tomer

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I find these drips above the rear axle on the floor, exhaust, leaf springs etc. after every trip. My immediate suspect is the pinion seal but the yoke area is pretty dry and no signs of leak.
 

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dave s

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My square body has greasable u joints someone put on there years ago. Every time I grease the truck (once a year since it sits a lot) I give it a shot. The excess ends up in the same areas your picture shows it on yours.
Back in the 70's I had a big block Nova that would eat u joints. When they would start getting worn, they would throw some grease out. But I drove that poor car like a friggin idiot all the time back then.
 

eran tomer

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My u-joint isn’t greasable. I did spray a lot of wd-40 into the u-joint straps holes but it should have been dried by now.
 
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