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Quick help with trailer hub!!!

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Old 07-10-2018, 07:17 PM
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Default Quick help with trailer hub!!!

Hi,

on a 1,500 mile drive with triple axle EOH brakes trailer.
1,000 miles no problem. Then one hub started to run warm (130F vs 115F previously) and let out some grease.
I put more grease in the bearing and must have not put tge cap back on right. Hub is cooler (126F) but with no rubber cap itís still leaking grease.
What to do?
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Old 07-10-2018, 07:22 PM
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How much grease did you put in? Sounds like you might need to completely flush out the old grease.
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Old 07-10-2018, 07:24 PM
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Not enough to flush out the old grease but i have a full cartridge....
will do that first thing tomorrow.
What sbout the missing rubber cap?
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Old 07-10-2018, 07:25 PM
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Time to improvise. Tape a ziplock bag over it. Or cut a plastic bottle (or soda can maybe?) and force it over the hub. Any rubber grommets in your tow vehicle that are similar size, like the body panel plugs in the doors, etc.? You're supposed to carry spares of those little buggers.
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Old 07-10-2018, 07:27 PM
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The rubber cap could have come off for a few reason. !. It wasn't put back on right. 2. It was too soft and fell off. 3. Your bearings are going bad and that is the first thing that happens.

Which tire is it?
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Old 07-10-2018, 07:27 PM
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Originally Posted by Cobia 217 View Post
Time to improvise. Tape a ziplock bag over it. Or cut a plastic bottle (or soda can maybe?) and force it over the hub. Any rubber grommets in your tow vehicle that are similar size, like the body panel plugs in the doors, etc.? You're supposed to carry spares of those little buggers.
who sells spares? Autozone?
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Old 07-10-2018, 07:28 PM
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Originally Posted by cajflynn View Post
The rubber cap could have come off for a few reason. !. It wasn't put back on right. 2. It was too soft and fell off. 3. Your bearings are going bad and that is the first thing that happens.

Which tire is it?
i think I didnít put it back right.
It is the passenger side middle tire
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Old 07-10-2018, 07:31 PM
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Originally Posted by berrie View Post

who sells spares? Autozone?
I got mine from a local boat dealer. They had them w/their trailer parts & supplies. A rubber grommet will serve the same purpose until you can get the right ones. Any auto parts store should be able to get you some that will fit. Go for a good snug fit and get a few in case you lose it.
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Old 07-10-2018, 07:31 PM
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I would find a way to drive over a curb or jack that tire up so I could shake it. I'd assume that a significant change in temperature was caused by something gong bad or a brake sticking. Verifying there was no play in the wheel would make me feel better that nothing was breaking.

I would suggest putting new grease in the hub until new grease starts to come back out.
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Old 07-10-2018, 07:33 PM
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Originally Posted by berrie View Post

who sells spares? Autozone?
Where are you?
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Old 07-10-2018, 07:37 PM
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Originally Posted by cajflynn View Post
Where are you?
I-55 Blytheville
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Old 07-10-2018, 07:41 PM
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Arkansas? You noodling for catfish?

There should be a PJ trailer or Big Tex trailer place near there. They'll have parts if you need them.

You can always take that wheel off and roll 5 if you have to.
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Old 07-10-2018, 07:45 PM
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Originally Posted by cajflynn View Post
Arkansas? You noodling for catfish?

There should be a PJ trailer or Big Tex trailer place near there. They'll have parts if you need them.

You can always take that wheel off and roll 5 if you have to.
Iíll try and find a PJ or Tex.
Donít really want to roll on 5 tires with 11,500 lbs boat on 3x5,000lbs axles unless i really have no other choice.
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Old 07-10-2018, 07:49 PM
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The rubber cap only keeps your rims clean. It has nothing to do with your hubs working or not.

I'd get a new hub and bearings if I thought my old ones were going bad. Cheap insurance to change it before it breaks.
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Old 07-10-2018, 08:51 PM
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If you get a new hub (galvanized or not), it is fairly easy to change.

For future always carry a spare hub and several spare rubber caps and 2 tubes of grease. 15 degrees may not be critical BUT it is an indicator there is something starting.
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Old 07-11-2018, 06:30 AM
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Originally Posted by cajflynn View Post
I would find a way to drive over a curb or jack that tire up so I could shake it. I'd assume that a significant change in temperature was caused by something gong bad or a brake sticking. Verifying there was no play in the wheel would make me feel better that nothing was breaking.

I would suggest putting new grease in the hub until new grease starts to come back out.
I agree, I would spin the tire in question and listen for bearing noise, I would also check end play. That's your only option to determine bearing condition without tearing the hub apart. ,
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Old 07-11-2018, 08:14 AM
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as Caj stated, removing the wheel and running on 5 is not a bad option esp if it is the front or middle wheel. if something gives way and come off, it can take out the tire/tires that are behind it. remove it and limp into somewhere and get it back up to par.
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Old 07-11-2018, 04:34 PM
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I pushed all the old grease out with new grease, then drove 70 miles to the nearest shop.
They did a quick inspection of all 6 hubs, and i put grease in 2 more. Put 3 new rubber caps on, bought 3 more for spares, and started moving the last 400 miles.

The hub in question ran consistently 5 - 7F hotter than the others but was stable.
We just made it home without a hitch.
Thank you all so much for your quick responses and advice, they really took a lot of the stress out of it.
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Old 07-11-2018, 04:40 PM
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Could be that the one running warmer is adjusted a little tighter (or looser) than the others. Doesn't take much to give a small temp. difference like that. Glad it all worked out. It's much less stressful from where I'm sitting.
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Old 07-11-2018, 08:16 PM
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It sounds like the slightly hotter hub got damaged a little bit before you replaced the grease. Bamaskeetshooter has convinced me to change out the grease in my hubs far more often than I thought necessary and my bearings are lasting much longer. Now you should be a believer too.
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