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Old 11-26-2010, 03:06 PM   #1

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Pinion seals

The other day I noticed both of my pinion seals are leaking on my diffs. I called the dealer today to check the price, they needed to know if I needed the flanged or non flange seal. I wasn't sure so I asked if I gave them my vin if they could tell me, he said no.

So do I need a flanged or non flange seal?

I have a 2001 sahara with a 30 up front and a 44 in the rear.

Also, what would be everyones thoughts on me (a novice) replacing the seals? Is it easy enough?

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Old 11-26-2010, 03:50 PM   #2
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They are cake...but I've done far to many pinion seals.

Remove Drive shaft.
Mark pinion nut with pinion
Remove pinion nut
Remove yoke....(may have to tap it off with a hammer)
Use a seal puller to remove old seal. ( can use a flat head screw driver to remove but be VERY careful to not scratch the inside of the pinion where the seal sits.)
Replace seal with new. (can use a block of wood to tap it in slowly with a if you don't have rubber mallet.)
Put pinion yoke back on.
Put pinion nut back on and torque to spec.
Put drive shaft back on.

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Old 11-26-2010, 04:29 PM   #3

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What about the flange?
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Old 11-27-2010, 01:08 PM   #4

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Any thoughts from the weekend crowd?
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