Leaking clutch fluid


Information and questions on GL1200 Goldwings (1984-1987)
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KenClaflin
Posts: 7
Joined: Tue Jan 14, 2014 10:31 pm
Location: Trucksville, PA
Motorcycle: 1984 Aspencade

Leaking clutch fluid

Postby KenClaflin » Fri Jan 31, 2014 10:19 pm



I purchased a 1984 Goldwing Aspencade a couple weeks ago. In 10 days, I started it twice (was too cold to ride). When I went to take it for a ride, I noticed what I later decided was clutch fluid in a puddle under the bike. Working the clutch, you can tell there is no pressure in the system.

Where do I start? (Sorry, I'm not a mechanic...yet LOL.) Do I rebuild the slave? Could it be just a cable?

Thanks in advance.



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virgilmobile
Posts: 7647
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: Leaking clutch fluid

Postby virgilmobile » Fri Jan 31, 2014 11:06 pm

Most likely it's time to replace that 30 year old slave cylinder seal.
Not expensive,takes a few hours.Flush the system with new Dot 4....Might as well get a big bottle and do the entire brake system too.
Have you replaced your timing belts yet..???

KenClaflin
Posts: 7
Joined: Tue Jan 14, 2014 10:31 pm
Location: Trucksville, PA
Motorcycle: 1984 Aspencade

Re: Leaking clutch fluid

Postby KenClaflin » Sat Feb 01, 2014 11:04 am

Thanks. I ordered a rebuild kit and will start there.

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86pearlblue
Posts: 100
Joined: Sat Sep 22, 2012 6:04 pm
Location: Hartford, Connecticut
Motorcycle: 1986 gl1200a

Re: Leaking clutch fluid

Postby 86pearlblue » Sat Feb 01, 2014 7:17 pm

While you have it apart, you want to check the hoses for cracking/ hardness. Both clutch and brake. Might as well do the rear brake fluid and check as well.

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newday777
Posts: 506
Joined: Tue Jan 11, 2011 5:21 pm
Location: Milford NH and Oceanside, CA (N San Diego)
Motorcycle: 2008 Cabernet Red. Level 4

1983 GL1100A Wineberry to sell 36,000 miles

1999A Restored and sold at 19,000 miles

1999SE Totaled by cager at 105,000 miles

Re: Leaking clutch fluid

Postby newday777 » Sat Feb 01, 2014 11:27 pm

Clean out the master cylinders while you are at it. Once the systems are cleaned out, flush the systems yearly so this doesn't happen again.

KenClaflin
Posts: 7
Joined: Tue Jan 14, 2014 10:31 pm
Location: Trucksville, PA
Motorcycle: 1984 Aspencade

Re: Leaking clutch fluid

Postby KenClaflin » Thu Feb 13, 2014 8:07 pm

Thanks everyone! I have purchased the necessary stuff and will be working on it this weekend.

bbstacker
Posts: 17
Joined: Mon Aug 17, 2009 9:02 am
Location: Athens, GA
Motorcycle: 1993 GL 1500 Aspencade
1986 GL1200 Interstate
1981 GL 500 Interstate

Re: Leaking clutch fluid

Postby bbstacker » Mon Mar 03, 2014 12:02 pm

I found that on my 86 ride, the sight glass on the reservoir started leaking, the glass had deteriorated. I solved this by JB welding a nickel over the sight glass, sanded the result smooth and then repainted the reservoir. The glass was so discolored I could not see the level any way. The whole thing looks good. Just something I found works. I had bought a replacement reservoir on ebay, but it had the same problem, so I went to this fix.

KenClaflin
Posts: 7
Joined: Tue Jan 14, 2014 10:31 pm
Location: Trucksville, PA
Motorcycle: 1984 Aspencade

Re: Leaking clutch fluid

Postby KenClaflin » Sat Mar 22, 2014 12:24 pm

After lots of delays, I finally got to the project... and I failed.

After I put it back to together, I could not bleed the system. When I opened the master cylinder, it was empty as I expected. I filled it up and opened the bleeder. Activate the clutch lever....nothing. Hold the clutch lever...nothing. Today, I removed the union bolt from the slave cylinder and activated the clutch lever. I heard a whisper of air but no fluid; I would have expected fluid to pour out.

Could the hose be clogged? What did I miss?

Any suggestions would be appreciated. Thanks.

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Fatwing Chris
Posts: 741
Joined: Thu Oct 21, 2010 6:10 pm
Location: Ont.,Canada
Motorcycle: 2004 ABS Model Goldwing

Re: Leaking clutch fluid

Postby Fatwing Chris » Sat Mar 22, 2014 1:50 pm

Try loosening the banjo bolt at the master cylinder and pumping the handle.Once you get some fluid flow there move on down to the slave cylinder and bleed.
Make sure the small return hole is not plugged up with crap in the master or it will never bleed.
If I'da known it would last this long,I'da taken better care of it.
Chris
Double Dark
Darkside # 1602

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Fatwing Chris
Posts: 741
Joined: Thu Oct 21, 2010 6:10 pm
Location: Ont.,Canada
Motorcycle: 2004 ABS Model Goldwing

Re: Leaking clutch fluid

Postby Fatwing Chris » Sat Mar 22, 2014 1:51 pm

Sorry!double post ...............
If I'da known it would last this long,I'da taken better care of it.
Chris
Double Dark
Darkside # 1602

User avatar
newday777
Posts: 506
Joined: Tue Jan 11, 2011 5:21 pm
Location: Milford NH and Oceanside, CA (N San Diego)
Motorcycle: 2008 Cabernet Red. Level 4

1983 GL1100A Wineberry to sell 36,000 miles

1999A Restored and sold at 19,000 miles

1999SE Totaled by cager at 105,000 miles

Re: Leaking clutch fluid

Postby newday777 » Sun Mar 23, 2014 7:55 pm

Fatwing Chris wrote:Try loosening the banjo bolt at the master cylinder and pumping the handle.Once you get some fluid flow there move on down to the slave cylinder and bleed.
Make sure the small return hole is not plugged up with crap in the master or it will never bleed.

+1
You have to bench bled the master cylinder anytime one is rebuilt. Use the banjo bolt as a bleed valve. Pump up and hold lever, open banjo bolt, close bolt. Replete until you get fluid out the banjo bolt then bleed the system.




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