bleeding brakes


Technical information and Q&A applicable to all years and models of Goldwings
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red dog
Posts: 27
Joined: Sun Oct 18, 2009 12:01 pm
Location: sanford,fl.
Motorcycle: 1982 gl1100

bleeding brakes

Postby red dog » Tue Mar 23, 2010 2:31 pm



I found I'm geeting a lot of air in the master. I took it apart again and everything looks good.Where to next?


red dog


Last edited by red dog on Wed Mar 24, 2010 8:38 am, edited 1 time in total.

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WingAdmin
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Posts: 17046
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: bleeding brakes

Postby WingAdmin » Tue Mar 23, 2010 3:10 pm

I've never had success bleeding brakes after a flush or rebuild without using a vacuum bleeder (like a Mity Vac). You're pumping the handle, the cylinder is full of air, and it's just not doing much in the way of moving fluid down the brake lines.

Plug a vacuum bleeder on the caliper bleed nipple, pump the vacuum bleeder a few times, and it will suck the brake fluid down to the caliper, priming the master cylinder.

kanada
Posts: 31
Joined: Tue Dec 22, 2009 12:07 pm
Location: marana az.
Motorcycle: 1983 GL1100

Re: bleeding brakes

Postby kanada » Tue Mar 23, 2010 3:36 pm

Sometimes I have found that removing the master from the bars(not disconecting the line) open the cap and tilting the master around to get trapped air bubbles out sometimes helps.Careful not to spill
the fluid. Good luck.
When all else fails make Beer.

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WingAdmin
Site Admin
Posts: 17046
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: bleeding brakes

Postby WingAdmin » Tue Mar 23, 2010 4:11 pm

I should have mentioned that, too - if you have a fairing, cover it up with a couple towels before filling/manipulating the master cylinder. Getting brake fluid - even just a bit of it - on the ABS plastic of the fairing will cause it to weaken, crack and fail. Not right away, but after a few weeks, it will happen. Brake fluid is like poison to ABS! It will also strip paint off pretty quickly, as well.




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