Information and questions on GL1200 Goldwings (1984-1987)
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Front brake not working. Brake hand grip when applied has no resistance. Fluid in the cylinder is full. Just no front hand brake resistance. Rear brake (foot) works fine. Can anyone advise?
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rayford213 wrote:Front brake not working. Brake hand grip when applied has no resistance. Fluid in the cylinder is full. Just no front hand brake resistance. Rear brake (foot) works fine. Can anyone advise?
Hi Rayford213; (1) I would have to say the piston/slave cylinder in the master cylinder has no seal, that allows the brake fluid to bypass the piston/slave cylinder so no compression to force the brakes to work.
(2) The hole in the fluid reservoir is pluged so no fluid can go into the piston/slave cylinder to make compression to work the brakes.
In #1 you will need a rebuild kit for the master cylinder, in #2 you just have to clean out all the gunk in the resevoir and clean the hole to the piston/slave cylinder.
After clean out or rebuild you need to flush out the brake cylinders to clean out the brake line and brake cylinder, use new brake fluid to flush out the system, it's cheap and be very carefull you don't get it on the paint. I hope this is your problem but might be something else I can't think of at the moment. Good luck. Bob
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First thing I would do is bleed the front brakes - if there's air in the system, you'll get that kind of response. If there is air, then you have to figure out how it got there.
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air often gets trapped in the system up at the master. normal bleeding may not dislodge the bubble. What does seem to work is cracking loose the banjo bolt coming out of the master and bleeding it there for a couple of pumps.
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