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Discussion Starter #1
I've been reading about these out shaft seals, and seems like there's some garbage ones that don't work very well. I'm going to changing mine again here, as the last one never sealed really and been leaking since I replaced it.
Can't find the thread that I read for the part number, does any one have a part number, or a place to get a seal that will work. Winter is coming and it will be crappy filling it up every 5000k/monthly.

Other possibly the shaft maybe be wore down, don't feel like it. But a thousand or less is tuff to feel for.

2007 LMM GMC Sierra 2500 4x4
350k/220miles
Thanks
 

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here’s both just in case
National 716047 seal for front 4x4 driveshaft into transfer case
AC delco 24226707 for rear transfer case output shaft seal
 
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