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Old 04-15-2019   #1
dggott
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Default uh oh... hydraulic oil leak hst

we were out digging out multi-flora roses and pushing hedge into brush piles to burn and for cover when I noticed she was losing oil. Had her stop and looked under- seems to be a steady stream coming from the left rear axle. I assume that's a seal surrounding the axle where it comes out of the rear end housing. If I'm right, and that's where the leak is, how much of a job is it to replace and would I need any special tools?

Any other thoughts on the source of the leak and subsequent repair appreciated- intellectual or pseudo-intellectual.

thanks
David
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Old 04-15-2019   #2
200mph
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Default Re: uh oh... hydraulic oil leak hst

Before jumping to conclusion as to the root cause, I'd clean it up real well and verify the leakage location. Clear hydraulic fluid can be difficult to find the source and will wick nearly everywhere.

I've used strategically placed paper towels, talc powder, etc... to try and find the leak. Drips are easy to see, but tough to locate.

Good luck!
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Old 04-15-2019   #3
dggott
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Default Re: uh oh... hydraulic oil leak hst

there's a 1/8th to 3/16th gap between the flange (lip? shoulder?) of the seal/bearing on that side and no gap on the right side. Makes me think looking for the leak is somewhat unnecessary. But I always reserve the right to be wrong. Assuming that's it, can I just tap it back in with a hammer and solve the problem for some unforeseeable amount of time?
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Old 04-15-2019   #4
North Idaho Wolfman

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Default Re: uh oh... hydraulic oil leak hst

Quote:
Originally Posted by dggott View Post
there's a 1/8th to 3/16th gap between the flange (lip? shoulder?) of the seal/bearing on that side and no gap on the right side. Makes me think looking for the leak is somewhat unnecessary. But I always reserve the right to be wrong. Assuming that's it, can I just tap it back in with a hammer and solve the problem for some unforeseeable amount of time?
Yes, just reseat the seal, and see if the leak stops.
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Old 04-16-2019   #5
200mph
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Default Re: uh oh... hydraulic oil leak hst

Quote:
Originally Posted by dggott View Post
there's a 1/8th to 3/16th gap between the flange (lip? shoulder?) of the seal/bearing on that side and no gap on the right side. Makes me think looking for the leak is somewhat unnecessary. But I always reserve the right to be wrong. Assuming that's it, can I just tap it back in with a hammer and solve the problem for some unforeseeable amount of time?
You're probably right on your observation, but I don't recall seeing this description in the original post.

I agree with the above post to position the seal into the original position and see what happens. If possible try to drive it home in a uniform manner.

Good luck and I wish you success.
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Old 04-16-2019   #6
dggott
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Default Re: uh oh... hydraulic oil leak hst

200 mph-

it's for fun to omit vital details the first time, isn't it?


I get in a hurry, my brain runs faster than my mouth, and especially faster than my typing fingers. I just hope they don't catch up with it when I get old!
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Old 04-16-2019   #7
dggott
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Default Re: uh oh... hydraulic oil leak hst

I even forgot to say it's a BX2200....
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Old 04-16-2019   #8
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Default Re: uh oh... hydraulic oil leak hst

Quote:
Originally Posted by 200mph View Post
You're probably right on your observation, but I don't recall seeing this description in the original post.

I agree with the above post to position the seal into the original position and see what happens. If possible try to drive it home in a uniform manner.

Good luck and I wish you success.

200MPH, this is all I can say. And I say it every time I post.

"Remember the quality of your question directly affects the quality of your answer."

You did all you can do with what was expressed!
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Old 04-16-2019   #9
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Default Re: uh oh... hydraulic oil leak hst

Sometimes an easy way to find the leak is to dust an area with baby powder. That will help identify where the leak is coming from. I agree with reseating the seal in this case.
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Old 04-16-2019   #10
dggott
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Default Re: uh oh... hydraulic oil leak hst

Got wheel off and reseated seal. It only took very very light taps. Wondering if it shouldn't be a tighter fit than that. I guess I'll run it and see, but was surprised how little pressure it took to get it back to being seated. Any thoughts?


No picking on me for my first vague, incomplete question. It was a long day and I was tired.
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