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07-20-2009, 10:31 AM | #1 |
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Gear oil leak.
Was 150 miles into my weekend ride when I stopped for gas and noticed oil dripping from the boot at the front of the drive shaft, it turned out to be gear oil, but I don't know how it could be leaking from the front of the shaft, I thought all the gear oil was in the gear box at the rear wheel. Any thoughts?
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07-20-2009, 10:32 AM | #2 |
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Gear oil leak.
Talk to Cajunrider. He can tell you what is most likely the problem.
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Scott "Cactusjack" Hanks VBA #00105 H.O.G. #4250060 2011 H-D Ultra Limited 103ci :: 2011 HD Electra Glide Ultra Limited w/Stage 1 :: Rallies: Mesquite '08|Custer '09|Cortez '10|Crescent City '11|Kanab '12|Antlers '12|Estes Park '13|Antlers '13|Orofino '14|The Dalles '17 |
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07-20-2009, 10:39 AM | #3 |
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Gear oil leak.
Are you sure it was gear oil, and not clutch fluid?
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Doug Witzke - "Dougster" 2003 Nomad 1500 VBA# 740 |
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07-20-2009, 11:02 AM | #4 |
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Gear oil leak.
What I hear is if you over fill the rear gear box with too many oz. oil, it floods the seals and starts them leaking around that boot?
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07-20-2009, 11:08 AM | #5 |
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Gear oil leak.
I think Mitch's problem required replacement of the pinion gear seal, but I don't know if the seal just failed or if it was due to overfilling.
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Scott "Cactusjack" Hanks VBA #00105 H.O.G. #4250060 2011 H-D Ultra Limited 103ci :: 2011 HD Electra Glide Ultra Limited w/Stage 1 :: Rallies: Mesquite '08|Custer '09|Cortez '10|Crescent City '11|Kanab '12|Antlers '12|Estes Park '13|Antlers '13|Orofino '14|The Dalles '17 Login or Register to Remove Ads |
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07-20-2009, 11:12 AM | #6 |
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Gear oil leak.
When the final drive is overfilled (or the pinion seal fails) oil will wick up the driveshaft to the rubber boot and leak there. I took the final drive off and took it to the dealer for them to replace the seal. You will save yourself some labor costs if you do that. I can almost guarantee they will not have the parts in stock so order them first and take the final drive in when they get the parts. I was charged an hours labor. Or you can do the whole thing yourself. Go to www.ronayers.com and look at the online microfiche for part numbers and views. Ringadingh on here did his recently.
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07-20-2009, 11:47 AM | #7 |
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Gear oil leak.
Thanks guys,
I am sure it was the gear oil, I had to add some when I got to Maine then again when I got home. I don't think I over filled it, did as the manual said leveled the bike and filled to the bottom of the fill hole.
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07-20-2009, 01:20 PM | #8 |
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Gear oil leak.
You over filled it if you did what the manual says. This is why I stress placing a 2x4 flat side down under the side stand, to fill. Tear down the rear end...
The oil 'slings' up the shaft, which seems surprising, but that is what it does exactly. The seal(s) there is a seal and 2 O rings there on the shaft side have drown, hard telling if it is one or all 3.. I would replace all 3 though to be safe since you will be there. The other way os to clean each and every one in kerscene, or safety clean and get it dry, and the areas they seat as dry, IF you can get them out un-harmed. Once a seal has drowned it will never stop leaking unless one of the above is done. The real seal , not a O ring should be packed in a moly grease in the groove on the spring side of the seal as well, when installing.
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07-20-2009, 02:20 PM | #9 |
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Gear oil leak.
Mac,
I'm not trying to start a debate here, but it just hit me that if you put a 2x4 under the sidestand, you are standing the bike up closer to vertical, which would intuitively suggest that you would be able to put more oil in the rear end than if no 2x4 was used. When I filled my rear end, I did it on the 2x4 and have had no problems. Now if you said use a 2x4 under the sidestand instead of standing the bike up vertically or using a jack, then I can see how filling to the bottom of the hole would mean less oil is used. Am I missing something?
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Scott "Cactusjack" Hanks VBA #00105 H.O.G. #4250060 2011 H-D Ultra Limited 103ci :: 2011 HD Electra Glide Ultra Limited w/Stage 1 :: Rallies: Mesquite '08|Custer '09|Cortez '10|Crescent City '11|Kanab '12|Antlers '12|Estes Park '13|Antlers '13|Orofino '14|The Dalles '17 |
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07-20-2009, 03:42 PM | #10 |
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Gear oil leak.
I fill mine on the sidestand. I would like to find out how much oil difference (in ounces) there is between having the bike upright, and on the sidestand. I bet it is not much at all. I might do that next oil change.
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07-20-2009, 03:47 PM | #11 | |
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Gear oil leak.
Quote:
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Scott "Cactusjack" Hanks VBA #00105 H.O.G. #4250060 2011 H-D Ultra Limited 103ci :: 2011 HD Electra Glide Ultra Limited w/Stage 1 :: Rallies: Mesquite '08|Custer '09|Cortez '10|Crescent City '11|Kanab '12|Antlers '12|Estes Park '13|Antlers '13|Orofino '14|The Dalles '17 |
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07-20-2009, 03:50 PM | #12 |
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Gear oil leak.
I have been filling mine just on the side stand and Im guaranteed I wont over fill it.
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07-20-2009, 03:53 PM | #13 | |
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Gear oil leak.
Quote:
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Scott "Cactusjack" Hanks VBA #00105 H.O.G. #4250060 2011 H-D Ultra Limited 103ci :: 2011 HD Electra Glide Ultra Limited w/Stage 1 :: Rallies: Mesquite '08|Custer '09|Cortez '10|Crescent City '11|Kanab '12|Antlers '12|Estes Park '13|Antlers '13|Orofino '14|The Dalles '17 |
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07-20-2009, 03:58 PM | #14 |
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Gear oil leak.
just squirt it right out of the bottle, it will only fill to the hole and run out. Once its done dribbling out, cap it. If you do the same thing on vertical, you fill fill more oz. of oil in and drown the seals. I dont measure, although I guess one could. :-)
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07-20-2009, 05:34 PM | #15 |
Join Date: Aug 2007
Location: Newmarket Ontario Canada
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Gear oil leak.
Do a search on replacing the pinion seal in the final drive here on this board, Ive done the job a couple times now and its not impossible to do yourself. Its all explained in the posts
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