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Oil bath hub issue- update and question

Posted on 5/6/12 at 7:41 am
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
81882 posts
Posted on 5/6/12 at 7:41 am
I just had brakes reworked on the trailer. These are my first non-grease hubs. It's not been long since this was done.

One side has a slow leak, and the stuff that came out was discolored. Hub was very hot. Even the other side was somewhat hot.

So,

Do I limp into the shop ASAP, or can I find the right oil and refill to make a few trips?
This post was edited on 5/10/12 at 7:52 pm
Posted by Bama and Beer
Baldwin Co, AL
Member since Oct 2010
81011 posts
Posted on 5/6/12 at 7:44 am to
Trailer Board
This post was edited on 5/6/12 at 7:45 am
Posted by FrenchJoe
H 861
Member since Aug 2006
1031 posts
Posted on 5/6/12 at 7:52 am to
quote:

Hub was very hot.


Game over. Jack that side up and spin the tire. If it's making a grinding noise you are going to have to replace bearings and races.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 5/6/12 at 8:34 am to
Drain it, fill it up with gear oil, and take it to the shop. Im not familiar with how those things are made but as long as you arent dunking it in the water it'll be fine assuming it takes longer for all the oil to leak out than it takes to get to the shop.

The oil that came out was probably discolored from having water in it. I'd get new bearings just to be safe. Would suck seriously to leave it on the side of the road with exploded bearings.
Posted by jordan21210
Member since Apr 2009
13410 posts
Posted on 5/6/12 at 12:08 pm to
Are the caps plastic or metal?

If plastic, replace them for sure. Our jet ski trailer came with plastic ones. Never an issue until last summer when I towed them to Florida and back. After replacing one tire on the way back, the other started egging/wobbling, so I had to change it in the Slidell Wal-Mart parking lot...when I took the rim off the axle, it hit the plastic cap and broke it clean off...effectively leaving me stranded since it's not a part you can just go buy at Wal-Mart to replace.


Longish story short, the dealership we bought the jet skis from knew about the shite plastic ones and had some metal caps...picked up two of them and they recommended using gear oil (forgot the weight) to refill them with. You can either use the hole for the allen wrench (kind of hard to get to), or do like I did and refill the cap...and then hurry and twist it back on really fast so not much leaks out (the metal caps have an O-ring, so the second you put the cap on, it seals to the hub...just have to spin it on tight to finish the job).

ETA: We didn't change the hub(s) either. Trailer is fine.

This is what we replaced the plastic one with, fwiw:
This post was edited on 5/6/12 at 12:13 pm
Posted by Spankum
Miss-sippi
Member since Jan 2007
56188 posts
Posted on 5/6/12 at 2:52 pm to
I would refill to the proper level and take it to the shop...if you keep running and have a bearing sieze up, you will find yourself changing hub and all on the side of the road...
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
81882 posts
Posted on 5/10/12 at 7:51 pm to
Got work done on them wednesday. That involved removing the cap, refitting the O-rings and putting it all back together. The worst one is leaking as we speak with no driving other than from shop back to here.

The guy at the shop hates these things. he said if this did not work, my options were:

1. get new caps and stay with oil bath, or

2. change to grease.

I'm torn. I hate grease. I get it all over me. Can't keep a grease gun clean. just hate loading and everything else invloved with grease. OTOH, I never had problems with grease hubs.

What should I do?
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