Oil leak question


Information and questions on GL1000 Goldwings (1975-1979)
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offcenter
Posts: 199
Joined: Sat Sep 22, 2012 2:10 pm
Location: Lake Hopatcong, New Jersey
Motorcycle: 99 Gl-1500 SE
76 GL-1000
77 Honda Trail 90

Oil leak question

Postby offcenter » Sun Nov 24, 2013 11:11 am



On my '76 GL-1000, I noticed a steady slow oil leak.
On the very rear end of the engine, there is a circular
black cover. Near the bottom of that cover is what appears
to be a vent hole or weep hole. I'm getting slow ooz of oil
out of there that is messing up my engine and my floor.
Does anyone know what's behind that black cover, or
what the hole is for? ....and why would it be leaking oil?
Thanks guys.


George in Jersey.
99 Goldwing GL-1500 SE
76 Goldwing Gl-1000
77 Honda CT-90 "Trail 90"

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terryt
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Location: United Kingdom
Motorcycle: 1979 gl1000 trike

Re: Oil leak question

Postby terryt » Sun Nov 24, 2013 12:57 pm

Hi sounds like the clutch oil seal gone, is the engine oil level high as this could cause this easy and cheap fix but the engine has to come out

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offcenter
Posts: 199
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Location: Lake Hopatcong, New Jersey
Motorcycle: 99 Gl-1500 SE
76 GL-1000
77 Honda Trail 90

Re: Oil leak question

Postby offcenter » Sun Nov 24, 2013 11:02 pm

Yes, I think the oil level is high. I'll check it.
I'll read up on replacing the seal. Thanks!
George in Jersey.
99 Goldwing GL-1500 SE
76 Goldwing Gl-1000
77 Honda CT-90 "Trail 90"

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Placerville
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Motorcycle: 1976 Naked Yellow

Re: Oil leak question

Postby Placerville » Mon Nov 25, 2013 12:15 am

Agree with terryt regarding the source of the oil leak but, the engine does not have to come out to replace that seal. There's a tutorial here at the NGW on the replacement of that seal with the engine in the frame. While there, I suggest you read through this tutorial as well. I've not heard that a 'high' oil level would cause that seal to leak. ('High' meaning, at the highest level line you can fill the crank case?) If so, that wouldn't cause a problem. However, if you're filling your crankcase past that line, you'll have other problems to contend with. Pull you clutch cover, clean the area then look for your leak. I suspect you find the leak at the seal below the clutch arm in the photo below.
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Placerville- 1976 Yellow
Image

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offcenter
Posts: 199
Joined: Sat Sep 22, 2012 2:10 pm
Location: Lake Hopatcong, New Jersey
Motorcycle: 99 Gl-1500 SE
76 GL-1000
77 Honda Trail 90

Re: Oil leak question

Postby offcenter » Wed Nov 27, 2013 8:05 pm

Thanks, Placerville! Great links. I really appreciate the help.
George in Jersey.
99 Goldwing GL-1500 SE
76 Goldwing Gl-1000
77 Honda CT-90 "Trail 90"

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Placerville
Posts: 423
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Location: Placerville, CA
Motorcycle: 1976 Naked Yellow

Re: Oil leak question

Postby Placerville » Thu Nov 28, 2013 2:26 am

You're welcome. We vintage GL owners are lucky to have forums such as these.
Placerville- 1976 Yellow
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Old Fogey
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1979 GL1000
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Re: Oil leak question

Postby Old Fogey » Thu Dec 12, 2013 10:54 pm

There is another possibility for the leak, especially if the seal is poor. It's possible for the oil level in the clutch housing only to be too high. The cause is identified here, but the fix means an engine out job I'm afraid.

http://www.wingovations.com/#/scavenge- ... 4568639332
Image Image

'Impossible' is just a level of difficulty! The only stupid question is the one you didn't ask first!

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Placerville
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Re: Oil leak question

Postby Placerville » Fri Dec 13, 2013 12:06 am

Old Fogey wrote:There is another possibility for the leak, especially if the seal is poor. It's possible for the oil level in the clutch housing only to be too high. The cause is identified here, but the fix means an engine out job I'm afraid.

http://www.wingovations.com/#/scavenge- ... 4568639332

Excellent info. from a true GL Guru. (And, offcenter, I hope this isn't your problem.)
Placerville- 1976 Yellow
Image

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offcenter
Posts: 199
Joined: Sat Sep 22, 2012 2:10 pm
Location: Lake Hopatcong, New Jersey
Motorcycle: 99 Gl-1500 SE
76 GL-1000
77 Honda Trail 90

Re: Oil leak question

Postby offcenter » Sun Dec 15, 2013 2:42 pm

I hope so too. I just got back to this thread and found the updated info.
I really appreciate it, guys.


George in Jersey.
99 Goldwing GL-1500 SE
76 Goldwing Gl-1000
77 Honda CT-90 "Trail 90"


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