"Wet" hubs - Defender Source
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  #1  
Old June 29th, 2007, 12:21 PM
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"Wet" hubs

As a follow up to my Swivel Shim post. As I am going to rebuild the entire front axle soon with a new housing, new seals etc. I was considering the wet hub option ie. no inner swivel seal or outer hub seal, just everything from outer bearing to outer bearing swimming along in 90 weight. I have not seen this debated in a while. Front bearings are in synthetic bearing grease now and are only a couple of thousand miles old.
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  #2  
Old June 29th, 2007, 12:31 PM
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I have found that it is difficult to get the hub seal to seal in oil.

YMMV.
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Old June 29th, 2007, 12:37 PM
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Even with the RTC3511 seal?
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  #4  
Old June 29th, 2007, 12:39 PM
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I'm also interested in changing the front and any input from others woudl be great.

Ron- where is the oil seeping from? are you runing wet hubs in the rear also?
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Old June 29th, 2007, 01:31 PM
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Both 90 and 110 are old enough to have "wet" hubs as standard. I've never had a wheel bearing go on either touch wood with over 250,000 miles combined milage
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Old June 29th, 2007, 05:32 PM
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I have done that on both D1 & 110 & with a combined milage of over 100k it works well. No probs at all. Make sure you set the seal as stated or you will have a wheel bearing leak.
Bill has an old write up in the FAQ section
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Old June 30th, 2007, 06:43 AM
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great idea.

Naturally though when you contaminate one area they are all swimming in the same (dirty) oil. So its perhaps fine if you change the oil.....allot. Or don't drive the truck in nasty shite (much).

You have to run allot of extra oil in the diff to keep both swivels full and make sure that the axle breathes well or you have big messes.

Also noticed that on my heap the double spring seals have worn some pretty large grooves in the stub axle.

I'll be going back to grease the next time as I can't honestly see the advantage to the "open" system, or the disadvantage to running grease.
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  #8  
Old July 1st, 2007, 01:47 AM
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I often run my equiptment at odd angles. No inner seals will let all lubrication to the low side of the angle. It can sometimes be a while before the level will correct itself to lubricate the entire axle. Even a bad or loose inner seal can prevent this somewhat. And a bad seal can prevent the oil to level back out as well.

All something to consider.

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Old July 1st, 2007, 02:48 AM
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Grease is fine until you get water in it. Do you repack the wheel bearings after a wet off-roading trip?
The oil is flying about all over the place when driving, the diff will whip it all over the axle case. Better to have a little oil out than water in and a seized wheel bearing. I've been in the passenger seat when that's happened, not good
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Old July 1st, 2007, 11:03 AM
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Quote:
Originally Posted by pendy
I often run my equiptment at odd angles. No inner seals will let all lubrication to the low side of the angle. It can sometimes be a while before the level will correct itself to lubricate the entire axle. Even a bad or loose inner seal can prevent this somewhat. And a bad seal can prevent the oil to level back out as well.

All something to consider.

JP
Jim, theres no doubt that the oil will flow but what angle would you need to run & for how long to be dry. Dry enough to cause wear?

I have often thought the next time I redo a front I might use the inner swivle seal just to isolate as Matt said.
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