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Old 12-15-2018, 04:51 PM   #1
Mini-Skoolie
 
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Leaking rear axle seal? Anyone had this?

Hi, wondering if you could help me diagnose something...

Recently ive had a leaking rear axle seal go (what it looks like anyway), however im not sure if its because we under-sprayed the bus with bitchemin and blocked up the breather on the rear axle (which i now unblocked).

So initially i though that it may of caused the leak however we have not driven it really only started it, so i doubt the diff would get any pressure in it? And may be just a coincidence?

Anyway my cousin went to put the handbrake/E-brake on not long ago and he said it was really hard to engage but managed to in the end (coincidentally we noticed the leak after doing that)

Now the handbrake feels fine, but im not sure if its the braking system or the rear axle seals?

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[IMG][/IMG]


any idea, heres some pictures! Thanks for any help, also is this a tricky job to do? Im a mechanical tech anyway but would probably still give it to a garage to do

Thanks CC


(I promise to upload some progress pics soon)
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Old 12-15-2018, 05:44 PM   #2
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Looks like a leaking wheel seal to me. Remove the wheels, remove the brake caliper, remove the axle, remove the bearings, and finally the hub. Clean everything up, clean the spindle with emory cloth where the seal rides, install the new seal, fill the hub with gear oil, and reassemble.

Good luck!
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Old 12-15-2018, 08:04 PM   #3
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The trickiest part of this job is simply the size of the equipment you are working on and you'll need big tools to turn big bolts. Otherwise it's a pretty straightforward job as Johnny described.
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Old 12-15-2018, 08:11 PM   #4
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Great series on wheel removal and seal replacement here https://youtu.be/vJVaJ1Ik47M If your brake pad or shoes got oily plan on replacing them.

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Old 12-16-2018, 02:31 AM   #5
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Thank you all for the repies!, i will check that video out too
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Old 12-17-2018, 06:12 PM   #6
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Are you sure it isn't the brakes? Clean up the area and then apply the brakes again to see where it's coming from.
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Old 12-18-2018, 06:39 AM   #7
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I have a handful of pictures on what you'll be looking at when dismantling your axle:
http://www.skoolie.net/forums/f27/ar...t-8870-20.html

I neglected to take pictures of actually installing a new seal, though. Whoops
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Old 12-18-2018, 10:23 AM   #8
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ID the fluid

Looks like a brake leak... assuming hydraulic brakes... smell and feel the texture of the leaked fluid. Gear oil has a very particular smell (stink) that you will recognize if you have ever smelled it.
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Old 12-23-2018, 01:10 AM   #9
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I too would second the notion that you need to make sure what fluid is leaking.

In the one photo it appears to be too light to be gear lube leaking out of a wheel end. It appears to be much more like brake fluid than gear lube.

Of course that is assuming that you have wet brakes and not air brakes. If you have air brakes then it is definitely gear lube.

If you have wet brakes the emergency/hand brake is on the driveline and would have zero impact upon anything happening or not happening out at the wheel end.
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Old 12-23-2018, 01:42 PM   #10
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Clear out the blocked axle breather vent or it will blow out the new seal if you replace one
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