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Hubs wont engage...

88trailblazer

88trailblazer

1/2 ton status
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Apr 11, 2004
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Location
Miami, Florida
We went out on Friday and the passenger side wouldn't engage. I locked the OX so that both sides would turn and nothing. We took apart the hub and found it was full of crud. Cleaned it out and greased it up and reinstalled. It worked for a few minutes then nothing. Same thing happened to the driver side after a few minutes of light wheeling.

Now i haven't pulled the driver side apart yet, but the passenger side was intact. We made sure the the gears moved smoothly and everything. I tried to find the installation instructions on the web for the D44 with no luck.

Is there any other reason why they wouldn't engage? BTW these are Milemarker Premiums with 1 other, very wet, trail ride on them. And before you ask, no i didn't repack them after all the water.

Here are pics from the last ride to give you an idea of how wet it was...

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i find they work better if you DONT grease them. maybe a really thin layer but all that grease just makes it harder for the piece to slide in there. i just had the same problem about a week ago. due to flooding a few months earlier and of course me driving through the water, got a bunch of water in one of the hubs. so when i tore it apart what i found looked like freezer burned ice cream. a mixure of grease and water. cleaned all the grease out of there and it works fine now
 
On my Warn premiums I use a very small amount of grease on the face of the hub. Much more than that and it can get below the sliding gear and prevent it from fully engaging. Now, I do find that my dials are a bit stiffer than some that have heavy grease, but my hubs always engage when I turn them in.

In this blog post you can see the amount of grease that I applied to one hub. It is very little there, just enough to help everything slide together, but not enough to gum everything up.
http://coloradok5.com/forums/blog.php?b=221
 
Cool. I can tell you we definatly put in more grease than that. I'll take it apart this weekend to see.

Nice blog BTW
 
Us northern folk usually only use ATF. Grease gets way to thick when the temp goes below 0. Dip the internals in ATF when assembling and good to go. Works wonders for auto hubs too!
 
You mean to tell me that you don't grease the bearings in the front hubs other then some ATF? Thats a new one on me.
 
the atf thing actually sounds like a good idea.... i pack that hell out of the bearings with grease though.. from the inner hub out you dont want alot
 
BILTIT said:
Us northern folk usually only use ATF. Grease gets way to thick when the temp goes below 0. Dip the internals in ATF when assembling and good to go. Works wonders for auto hubs too!
Click to expand...

Sounds like a good idea actually.. I'll give it a try.
 
Only problem is if the hubs get really wet inside it will dilute the ATF, a quick wipe out and re-dip and they are good to go again.
 
Doesnt look like you have to worry about real cold temps in those pics. Here in Alaska we have to get a little creative in the winter and greasing your hus really isnt an option when it comes to reliability. My dad an I mix a little bit of grease with gear oil and apply it lightly seems to work good dads been doing it for years and when mine stopped workin on a previous truck I picked up on it to. From what you have said the grease is still the most likely culprit.
 
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