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  #1  
Old June 23rd, 2010, 05:01 PM
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Dripping Axles

So I thought progress was being made: I was able to remove the old (front left) brake disc/rotor/hub, remove the old rotor, install the new one, repack the bearings and replace the oil seal. I put the whole assembly back on the truck and adjusted the big nuts, folded the lock washer and was putting on the spacers and circlip, ready to button it up, when I noticed oil leaking out of the axle spindle thingy area. Dripping down like a leaky faucet. It wasn't old oil, it looked clean. So I disassembled the whole thing, watched the axle - nothing. Reinstalled everything and: drip. drip. drip.

Is this a symptom of something else wrong (of course it i$) or is this something expected with the hub/rotor assembly weighing down on the axle?

Sigh.

Jerod
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  #2  
Old June 23rd, 2010, 05:14 PM
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Did you take any pics? Just about to do the same.
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  #3  
Old June 23rd, 2010, 05:20 PM
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No big deal. probably the inner seal on the end of the spindle. Lots of people run "wet hubs" so you should be ok unless it is coming out of the hub seal onto the back of the rotor.
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  #4  
Old June 23rd, 2010, 05:27 PM
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Dr. Gonzo
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Picture

That's great Ron, but will it stop?

See picture below, you can see it dripping. Will that subside as it settles in, and I do the other side?

Josh - I'm not going to say it's been easy going, but I'm very slowly making progress. PM me and I'll get you the unvarnished rundown.

Jerod
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  #5  
Old June 23rd, 2010, 05:41 PM
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assuming you haven't gone to a 'wet' axle configuration as Ron mentions: This is where the axle and stub axle seals are omitted and the oil from the differential/axle housing flows all the way through to the bearing hub (no need to grease the bearings). Apparently, this is how all the axles were back in the day, but they tend to drip more than the newer design with all these seals...or so the story goes I heard.

Assuming you are stock, you are seeing oil in the swivel chamber drip past the stub axle seal. So this seal maybe worn (or your stub axle bearing may also be warn) when you tighten up you bearing, the stub axle is getting centered and in a position that leaks, when loosened, the stub axle is sagging and making a seal (guessing). My feeling is you need to replace the stub seal and bearing if you want to keep the stock seal arrangment.

but as ron noted: looking at your pic the oil isn't outside the hub seal and on you rotors once you button it up. It's no big deal if it's just the stub seal and not the bearing. Your bearing grease and swivel oil will mix a little is all
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Old June 23rd, 2010, 09:32 PM
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OK - all buttoned up. We'll see how well the seal seals.

1 down, 3 to go!
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  #7  
Old June 24th, 2010, 12:34 PM
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You need to change your spindle seal as well. You should not be getting Diff oil out of there . Also, on the rears, it is easier to just unbolt the drive flange and pull out the entire half shaft. Then ou do not have to remove the circlip and dust cap. Also lets you check your shafts and splines for damage.
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