Join Date: Oct 2001
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Re: Hub grease fittings
"Packing the spindle bore is a really good idea though, there's hardly any load on that bearing and I think that's where most water enters the hub anyway! If it was easier to remove, it would almost be worth it to remove the lockout and use a hairdrier to get the moisture out of the hub... once the water is in there it has nowhere to go"
Actually, Muddy, my water "penetration" seems to always be out at the manual hub dial, and there is usually very little, but enough to start some rust issues. But, the inside part of the spindle has always been nice and clean. The seal to the knuckle has been flawless.
Back to the post, the idea of zerking the hub could be done if you drilled/tapped right in between the bearings, but, what does that get you? If contaminants get in there, greasing will not help, you need to pull the hub assembly, period, or pay the price. You should not have the hub assembly packed full of grease. If you do, this goes against Ford's service spec, Timken"s bearing recommendations, likely the hub dials warranty (milemarker specifically warns against this), and general servicing standards for hubs.
The time needs to be spent on maintaining the best possible sealing you can get, use high quality synthetic grease, and regularly check/inspect for contamination.