Quote:
Originally Posted by amosfella
by the lip, do you mean the part that contacts the spindle?? And by the anchor, do you mean the part that is set into the hub??
Most likely, there is a pile of brake dust caked onto the spindle. That's what I want to clean off...
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Most of the spindle is inside the hub; that's what the spindle is. There is a machined shoulder at its base; the seal rides up and over that, so once you wipe off the old grease, it should already be pretty clean. If you need to take a wire brush to it, there is something wrong.
Re: Grease "flowing", it absolutely flows within the bearing (it has to), but it's not like it turns to a viscous fluid and flows all around inside the hub and between bearings.
The benefit to any synthetic grease is that it flows better at colder temps, and protects better at higher temps -- without liquefying and running away from the bearing surfaces it is supposed to protect.