Brake Lever Question


Information and questions on GL1100 Goldwings (1980-1983)
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flajockjd
Posts: 27
Joined: Tue Feb 26, 2013 9:32 am
Location: Jacksonville, Florida
Motorcycle: 1982 GL1100 Interstate "Barn find"

Brake Lever Question

Postby flajockjd » Mon Apr 22, 2013 10:32 am



Looking for info on cable/connection/line from front master cylinder to front brake lever...im attempting a full rehab on 82 1100 Interstate..and it seems to be missing something there..lever flops around in mid-air...any pics and number of part would be helpful

J.D.



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virgilmobile
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Re: Brake Lever Question

Postby virgilmobile » Mon Apr 22, 2013 11:02 am

If your lever is loose it can be just worn at the pivot point or the master cylinder piston stuck part way in.
Does it operate the brake at all?

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flajockjd
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Motorcycle: 1982 GL1100 Interstate "Barn find"

Re: Brake Lever Question

Postby flajockjd » Mon Apr 22, 2013 11:13 am

No sir....thats the freaky part of this...lever not connected to anything...i see booted cable attached to Master Cylinder...then space...should this be a short cable or rod???....if it will help I can post pic of lever/MC area within minutes

J.D.
J.D.
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virgilmobile
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83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: Brake Lever Question

Postby virgilmobile » Mon Apr 22, 2013 11:28 am

There is a short push rod but if the piston is stuck to the bottom inside,the rod would be all the way compressed there too.there's a spring that should push the piston back out to the retainer.
Do post pictures too.

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flajockjd
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Motorcycle: 1982 GL1100 Interstate "Barn find"

Re: Brake Lever Question

Postby flajockjd » Mon Apr 22, 2013 11:34 am

here they are...any ideas..
Attachments
J.D.
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Fulcrum
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Motorcycle: 1982 GL1100

Re: Brake Lever Question

Postby Fulcrum » Mon Apr 22, 2013 12:16 pm

If you can move the brake lever back and forth without any resistance or when you squeeze it and it does not return then your piston is seized in the master cylinder. Get a master cylinder rebuild kit and have fun.

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flajockjd
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Motorcycle: 1982 GL1100 Interstate "Barn find"

Re: Brake Lever Question

Postby flajockjd » Mon Apr 22, 2013 12:37 pm

Ok..and would that explain all the white **** around the m/c in the above photos
J.D.
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Fulcrum
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Re: Brake Lever Question

Postby Fulcrum » Mon Apr 22, 2013 12:44 pm

Hard to see anything in the pics. But if there is a brake fluid leak anywhere around a painted surface it will eat the paint exposing the bare metal. This metal can then oxidize when exposed. Also any time you have two dissimilar metals in contact there will be a weak electrolysis which can cause oxidization.

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flajockjd
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Joined: Tue Feb 26, 2013 9:32 am
Location: Jacksonville, Florida
Motorcycle: 1982 GL1100 Interstate "Barn find"

Re: Brake Lever Question

Postby flajockjd » Mon Apr 22, 2013 2:43 pm

Thank you for your help...I will get that rebuild kit and keep you informed about my progress...
also...that is a great cut of meat you have there...

J.D.
J.D.
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virgilmobile
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83 GL1100 standard
84 GL 1200 I

Re: Brake Lever Question

Postby virgilmobile » Mon Apr 22, 2013 2:57 pm

Just my opinion but I'd be taking that one off the bike and taking it apart to see if it is rebuildable before I ordered any parts.

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flajockjd
Posts: 27
Joined: Tue Feb 26, 2013 9:32 am
Location: Jacksonville, Florida
Motorcycle: 1982 GL1100 Interstate "Barn find"

Re: Brake Lever Question

Postby flajockjd » Mon Apr 22, 2013 3:27 pm

So you can see the corrosion....good idea...this is my first diy attempt so tell me..when I get it off what will tell me if it is rebuildable...or should i take a pic of inside and post it...could you tell from that
J.D.
U.S.M.C.
FLA
USA

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virgilmobile
Posts: 7660
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: Brake Lever Question

Postby virgilmobile » Mon Apr 22, 2013 4:14 pm

Your biggest worry is the bore of the cylinder....If it's full of water and corroded the piston solid it can be pitted beyond repair....I've seen it go both ways.

Get it apart...****remove the snap ring under the rubber boot****....soak it overnight in something that will loosen things up(Kroll oil,ATF,Penetrating oil)...if the piston is stuck..tap the unit on a block of wood...this might get it loose.
If nothing will budge...a plastic or wood dowel might be inserted in the threaded end and used to bump it out...beware that the end rubber seal may be damaged by doing this..
I destroyed a seal with a 1/4" steel rod trying to get one apart....

Clean the bore and inspect for damage...by all means take pictures too.

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Joecop
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Re: Brake Lever Question

Postby Joecop » Mon Apr 22, 2013 5:04 pm

I agree pull it off and take it apart before you buy a rebuild kit. It maybe too far gone as far as the cylinder. Good thing is there are plenty of good used ones on eBay, although I would rebuild it as well. Rebuild kits are cheap make sure you get the right rebuild kit there are two different ones. If not, also a number of after market ones available but watch for the Chinese junk.




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