Leak on rear wheel - Defender Source
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  #1  
Old July 6th, 2013, 05:01 PM
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Sam Odio
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Leak on rear wheel

I have a leak on the rear right weel. The fluid is being sprayed around the inside of the tire and is building up on the bottom of the brake pad. I believe this is a hub seal leak from looking around on the forum. Brake fluid levels haven't changed.

Strangely, this happened right after I added a "homemade" (read, 3 ft of fish tank tubing) breather extension to that axle. As far as I can tell the breather line is clear, even with the extension. The extension tube is transparent so I can see that there are no obstructions there.

I can blow through the tube, though it does take some force (I'm assuming this is because of the sheer length of the tube - about 5 ft). When I connect the tub to the axle and tighten it down I can blow in the tube, but not for long b/c pressure builds up within about 1-2 seconds. I'm assuming that's because the entire axle & diff are sealed & that the fitting is not blocked. I've visually inspected the fitting and it looks fine.

To be safe I've removed my breather extension, but the hub still seems to be leaking.

Am I missing something? Is it just a coincidence that the hub is leaking right after I started working on the breather tube?

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  #2  
Old July 6th, 2013, 05:36 PM
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Julien Dalbin
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I guess the pressure to push thru breather is superior to the pressure to go thru the old seal, so the seal is gone.
Make sure is not brake fluid before you take everything apart.
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  #3  
Old July 6th, 2013, 05:42 PM
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Jeff Payne
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I just replaced my leaky wheel cylinder in the rear drum on my truck after seeing the streaks on the inside of the tire. Not sure if your disk brake would have a similar issue but it could.
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  #4  
Old July 6th, 2013, 05:58 PM
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Neill Thornton
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Well at least gear oil has a very distinct smell vs. brake fluid.

If it's gear oil then the seal was probably already suspect and the path of least resistance once you added the longer breather.
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  #5  
Old July 6th, 2013, 06:19 PM
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Sam Odio
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Okay. To confirm: this is the seal I want to order right? Anything else I should change while I'm in there?

http://landroverparts.roversnorth.co...=PLH002&type=0

------ Follow up post added July 6th, 2013 03:19 PM ------

And yah it smells like gear oil.
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Old July 8th, 2013, 02:07 PM
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Julien Dalbin
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Check your wheel bearings for play or wear.
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Old July 8th, 2013, 06:24 PM
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Sam Odio
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Okay, I'll check the bearings. And I need the hub outer seal, right? Just want to make sure I'm getting the right thing.
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