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Old 04-29-2015, 04:42 AM   #191
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Hate to nitpick but for the record and as regards RV axle hubs that allow for in situ greasing of the bearings...

AL-KO calls it: Ultrulube
Dexter calls it: E-Z Lube
LCI (Lippert) calls it: SuperLube

"Ultra Lube" is a line of lubrication products.

Interestingly, LCI appears to be the only axle supplier that recommends rotating the wheel/hub to distribute the grease. I recommend that for any of these systems and be very careful when the axle components are cold - even with a double lip seal. I learned this the hard way. And if I may, when the integrity of the bearing assemblies on your new or new to me RV have been ascertained (inspected/replaced, repacked, new seal), and you tow infrequently, it is overkill to be pulling the bearings out annually. If you're feeding the bearings with a steady supply of good lube via one of the aforementioned systems, your bearing inspection interval (my opinion and experience) can be stretched to two, three or four years. I appreciate that many RVs sit inactive for inordinate periods of time. However, if the bearings are adequately packed with good grease, sitting idle for a year and then some will not normally be an issue as regards the performance of said bearings.

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Old 04-29-2015, 06:18 AM   #192
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I would concur. There is another poster here that has never pulled his hubs on a 2012, well known one actually. I am at year 2 in July. I may pull my hubs then, can't at home my driveway is slopping too much.
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Old 04-29-2015, 07:14 AM   #193
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My unit is a 2011 I've not pulled the hubs

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Old 06-06-2015, 08:32 AM   #194
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Hey Guys.....just curious, regarding seal failure from over/greasing.....is the entire seal/assy. being forced out of position due to hydraulic pressure?....or is the grease only bypassing the seal/lip? ......Thanks for any input.....
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Old 06-06-2015, 08:41 AM   #195
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Grease is blowing out thru the rubber seal.
The body of the seal is held in place by friction and the spindle nut.
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Old 06-06-2015, 12:14 PM   #196
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Mine is a 2013 @ 3 years never pulled the hubs. I think a lot of the issues come up went the hubs / bearings are pulled too often by those not experienced in the proper methods. We won't even talk about the last time I did any of the utility / cargo trailers............


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Old 06-06-2015, 06:17 PM   #197
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I have a 2011 5er, I haven't pulled the hubs, but inject a few squirts of bearing grease in every season. I only pull about 800 miles a year, brakes are good, and my tpms says heat is normal. I might pull them next spring, but I don't want to screw up something that presently works ok.
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Old 06-07-2015, 08:42 AM   #198
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I pulled mine for the first time this year on my 2012 popup. It wasn't to pack the bearing it was to replace the brakes with a larger size. Bearing were in excellent condition; no leakage past the seals.

I was always told that if you pull the hub/drum off, you need to replace the rear seal with a new one; even if it is just to check the brakes.
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Old 06-07-2015, 08:52 AM   #199
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Quote:
Originally Posted by Ford Idaho View Post
Grease is blowing out thru the rubber seal.
The body of the seal is held in place by friction and the spindle nut.
Explain to me how the spindle nut has anything to do with the seal that is approx. 2.5"-3" away from it, other than holding the hub in place. The seal is held in place due to an interference fit between the hub and the seal outer diameter. The lips of the seal are designed to exert a slight extra pressure on the spindle when grease is added. The lip of the seal is angled in where it contacts the spindle.
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Old 06-07-2015, 09:00 AM   #200
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Question. Even if the seal is held in place with an interference fit, doesn't it back up and contact the brakes assembly's backing plate? So it cannot move in that direction? I'm asking, just curious.

Guess I could go check the two I have in my going to the dump pile of metal parts.
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