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Old 03-11-2015, 10:19 AM   #1
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EZ-Lube Hubs and Bearing Seals

I have EZ-lube hubs on my fifth wheel. I know you are supposes to pump grease into the hub until you see clean grease come out of the front bearing. My concern is grease getting past the seal into the brake assembly. Has anyone had this problem?
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Old 03-11-2015, 10:23 AM   #2
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Many people have had good luck with their EZ-Lube hubs but not me. had grease bypass seals and coat brakes. did not know till going down a hill and had no trailer brakes. I no longer have the EX-Lubes fittings on the unit. had to replace all four brakes assemblies and changed out hubs at same time because of grease build up.
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Old 03-11-2015, 10:27 AM   #3
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Do a (Search) on this issue at the Top of page! Days of Reading! Youroo!!
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Old 03-11-2015, 10:27 AM   #4
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Many people have had good luck with their EZ-Lube hubs but not me. had grease bypass seals and coat brakes. did not know till going down a hill and had no trailer brakes. I no longer have the EX-Lubes fittings on the unit. had to replace all four brakes assemblies and changed out hubs at same time because of grease build up.
Why change the hubs due to grease build up when they can be cleaned? Looks like you had bad seals that caused the problem.
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Old 03-11-2015, 10:35 AM   #5
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To minimize the risk of bypassing the seals be sure to follow the following tips
Make sure grease in the hub is warm ( either after driving or very warm day)
Make sure the grease you are adding is warm
Pump grease gun slowly so as to allow grease to flow with out building up too much pressure.
Do not use an air operated grease gun.

If seals are installed properly and you follow above suggestions, you should be OK.
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Old 03-11-2015, 10:37 AM   #6
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This horse has been beaten, dragged and throne off the cliff many times.
Wheel Bearings - Over cautious or????
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Old 03-11-2015, 10:39 AM   #7
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To minimize the risk of bypassing the seals be sure to follow the following tips
Make sure grease in the hub is warm ( either after driving or very warm day)
Make sure the grease you are adding is warm
Pump grease gun slowly so as to allow grease to flow with out building up too much pressure.
Do not use an air operated grease gun.

If seals are installed properly and you follow above suggestions, you should be OK.
Add to the list to make sure you have US made seals!!!
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Old 03-11-2015, 10:40 AM   #8
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I had no problem. First time through it will take about a tube of greese an axle. Use a manual gun, not a pneumatic.
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Old 03-11-2015, 10:42 AM   #9
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Quote:
Originally Posted by Flybob View Post
To minimize the risk of bypassing the seals be sure to follow the following tips
Make sure grease in the hub is warm ( either after driving or very warm day)
Make sure the grease you are adding is warm
Pump grease gun slowly so as to allow grease to flow with out building up too much pressure.
Do not use an air operated grease gun.

If seals are installed properly and you follow above suggestions, you should be OK.
I think Dexter also recommends rotating the wheel while adding grease.
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Old 03-11-2015, 10:56 AM   #10
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Add to the list to make sure you have US made seals!!!
your the only person who can find USA seals, even Napa say's that all bearings and seals are now made over sea's. It not the seals it how you put in the grease. Pretty easy to tell if you blew your seal. And yes I know that your new bearings say USA on them. You can buy USA made bearings on ebay. But who knows how many sets that guy bought when they were still made here. Maybe Napa was wrong with the info they gave me. I agree with flybob.
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