Front Axle Hub Grease Seal

Won't run? Engine, cooling system, fuel pump, carb, clutch, tranny, brakes, etc. The old messages from the NPCA 'Engine & Mechanical' category are here.

Postby Peter60 » Tue Nov 06, 2018 10:31 pm

I'm looking at replacing the front hub/knuckle inner grease seal as indicated in the following diagram.

Grease Seal.jpg


The part book states 40579-44000 as the part no. I'm finding 40579-C6000 for the part on ebay. See https://www.ebay.com.au/itm/Inner-Swivel-Hub-Seal-suitable-for-Nissan-Patrol-G60-MQ-GQ-40579-C6000/282661129104?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649

Will the 40579-C6000 fit?

Also can I just replace the grease seal without stripping down the hub? It looks like the seal is split but I'm not sure.
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Postby Esteban » Wed Nov 07, 2018 11:44 am

The knuckle flange inner grease seal can be replaced without dismantling anything else. The original has a split design. If the one from eBay doesn't then you'll have to dismantle everything. :evil:

I guess that at the price you have found them on eBay, it won't hurt buying them and giving it a try. So please post some pictures of it. It makes sense that Nissan didn't change the seal diameter of the knuckle flange.
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Postby Peter60 » Wed Nov 07, 2018 6:55 pm

Thanks Esteban.

I think the seals on eBay are of split design. I have asked them to confirm this.

Its pretty nice to be able to replace them with out dismantling everything else :)

EDIT:
Just ordered 4 seals. The metal ring is split but the rubber grease seal isn't. One guy I spoke to said you just cut them. I'll try that.

Now added to my project list. Will report back when done.

EDIT:
I just did a search on eBay for "40759 Nissan" and it turned up about 20 more grease seals that look like they fit. One said fits Patrol G60 and Nissan Navara NP300 2009-2015. However they are all more expensive!
Some were original and they did have a split in the rubber.

One site said they are just dust seals, there shouldn't be any grease in there. Is this true????
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