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Old 03-12-2016, 07:13 AM   #1
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First time pumping grease into Dexter EZ Lube hubs

I just pumped grease into my EZ Lube hubs for the first time, and want to pick some brains to make sure I'm not missing anything.

When I removed the dust cap I noticed that the void was not filled with grease. there was some grease visible, but not fully packing the void behind the dust cap.

I placed the grease gun fitting on the zert and pumped grease into the hub while turning the wheel until the old grease literally filled the void and then exited the void around the gun fitting. I pumped until the new grease was visible, removing the old grease as it flowed out and around the gun fitting. When I was done, the void (that was previously mostly empty of grease) was left full of new grease. It took approximately a full tube of grease to do two wheels. Is this what should be expected? Is there anything else I should be checking or doing? I appreciate the help and good advice.

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Old 03-12-2016, 07:43 AM   #2
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Ez-lube wheel bearings , had them don't like them; and here's why.

You had to use a lot of grease; particularly on your first service; normal.
The old grease from the OUTER bearing, came into the area under the access cap; normal.
Now the bad part, the old grease from the inner bearing has been pumped into the cavity between the inner and outer bearings, that old grease is what pushed the new grease from the cavity between the bearings through the outer bearing. So the next time you service the bearings, you will be using even more grease to try and get fresh grease into both bearings.
JMHO. They Ez-lube set up should only be used ONCE, then the hub & bearings removed and cleaned, brakes inspected, and the seal replaced like a standard bearing set up.
For a mid season , high mileage travel quick service ; I used mine 1/2 way through a 16,000 mile 3 month trip; they are an ok idea, but as far as being the only service your bearings require.

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Old 03-12-2016, 08:25 AM   #3
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I have them and don't use them. If the inner seal fails the brakes will be done. There are plenty of posts about that and I would suggest you do a search before you decide.
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Old 03-12-2016, 09:39 AM   #4
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I guess some folks missed the part about the OP already pumping grease into the hub.

Find a way to inspect that grease did not push past the inner seal and contaminate the brakes. Yes, you might have been very careful, but that seems to be the number one problem with the EZ Lube system.

Assuming that you had no problems with the seal, it will take quite a bit of grease to get fresh grease on both bearings. Grease is cheap compared to just about any other problem you can have with the hub outside of contaminated brakes.
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Old 03-12-2016, 02:51 PM   #5
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Remember to rotate the wheel when pumping
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Old 03-14-2016, 06:44 PM   #6
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I use this system every other year. And, every other year I do a complete tear-down and refresh any bearing that is suspect, and of course new seals. In my opinion, it's a good system and the old grease will tell you if you have problems coming up... or that they're already there. If the old stuff looks like metallic paint... you have problems. If it doesn't come out like it should, your seal has been breached. In either case it's time for a tear down.
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Old 04-21-2016, 05:14 PM   #7
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I had the rear hub seals fail doing this, grease all over the brakes.....$$ to replace brake assemblies, since you cannot get grease off brake shoes effectively . Lesson learned. Now I hand pack the bearings and hub cavity and call it a day. No issues since.
My 2 cents anyway.
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Old 04-21-2016, 07:19 PM   #8
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Originally Posted by egwilly View Post
I had the rear hub seals fail doing this, grease all over the brakes.....$$ to replace brake assemblies, since you cannot get grease off brake shoes effectively . Lesson learned. Now I hand pack the bearings and hub cavity and call it a day. No issues since.
My 2 cents anyway.

Yes, so many do find out they should leave it alone and just clean, repack and seal every other year or 10K miles. I put over 30K miles on my old fiver doing it this way.
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Old 04-22-2016, 08:12 AM   #9
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The grease filling the void is wasted grease.

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