rebuilt rear master cylinder


Information and questions on GL1100 Goldwings (1980-1983)
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robertdawber
Posts: 285
Joined: Fri Aug 07, 2009 9:24 pm
Location: Eliot, ME
Motorcycle: 1983 GL1100 Interstate

rebuilt rear master cylinder

Postby robertdawber » Tue Apr 07, 2015 6:45 am



ANyone experience rebuilding this and end up with a squishing sound and leak after? I followed the "How To Article" steps-literally triple checking each step before proceeding.
Thanks
Bob



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tallman21
Posts: 227
Joined: Tue Feb 15, 2011 8:09 pm
Location: Rahway, New Jersey
Motorcycle: 1980 GL1100i

Re: rebuilt rear master cylinder

Postby tallman21 » Tue Apr 07, 2015 6:40 pm

I just rebuilt mine about 2 weeks ago and having no problems but i did have the squish sound previously. Did you buy a new kit? Make sure that the parts all fit exactly. Also where is the leak coming from?

robertdawber
Posts: 285
Joined: Fri Aug 07, 2009 9:24 pm
Location: Eliot, ME
Motorcycle: 1983 GL1100 Interstate

Re: rebuilt rear master cylinder

Postby robertdawber » Tue Apr 07, 2015 7:19 pm

tallman21 wrote:I just rebuilt mine about 2 weeks ago and having no problems but i did have the squish sound previously. Did you buy a new kit? Make sure that the parts all fit exactly. Also where is the leak coming from?

Thanks for the reply. I did buy a new kit. The parts seemed to fit well. The sound and leak are under the exterior rubber boot.

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tallman21
Posts: 227
Joined: Tue Feb 15, 2011 8:09 pm
Location: Rahway, New Jersey
Motorcycle: 1980 GL1100i

Re: rebuilt rear master cylinder

Postby tallman21 » Tue Apr 07, 2015 7:33 pm

only thing i can really think of is maybe you scratched the sides of the cylinder when you were cleaning it out? Id say you need to take it back apart and see whats going on.

robertdawber
Posts: 285
Joined: Fri Aug 07, 2009 9:24 pm
Location: Eliot, ME
Motorcycle: 1983 GL1100 Interstate

Re: rebuilt rear master cylinder

Postby robertdawber » Tue Apr 07, 2015 8:44 pm

I am thinking I need to take it apart as well. Pain in the butt. I didn't really do much cleaning of the cylinder. I used a rag with brake cleaner on it and turned that around with a screwdriver then air.

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WingAdmin
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Posts: 17047
Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: rebuilt rear master cylinder

Postby WingAdmin » Mon Apr 13, 2015 2:03 pm

If the screwdriver scratched the cylinder bore at all, you could have a leak with the result you're talking about. Also, if the piston seal went on backward, it could let brake fluid squirt past as well.




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