Question about Hyosung Motorcycles
Cant get fluid to back brake calipers cant figure out why
Assumeing you have been trying to bleed the brakes and assumeing you tried that because your brakes quit working. Check a couple things. First try opening the bleeder first then pushing the peddle and see if fluid moves. Next make sure the piston in the master cylinder has its full range of motion ( not a lot of slop in the pedal at rest ). If you have these symptoms then you likely need a master cylinder rebuild. If you keep losing fluid you have a leak, and if you just changed a a bunch of stuff then its start at the beginning by bleeding the master cylinder.
Posted on Oct 25, 2012
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Posted on Jan 02, 2017
Here is a link to the aftermarket service manual.>>
Posted on Jun 02, 2009
To remove piston safely use the brake pedal to press out piston. You will need to remove the pads so it can do this. You will need a container to catch the fluid when the piston comes out. Clean the the piston with a fine polishing cloth 600 grit or higher so as not to leave scratches, replace piston if it pitted or burred. Clean inside of caliper, remove inside seal with dental type tool. Roll in the new seal, position same as old one. install new outter dust boot if equipped with one. Lubricate seal and leading edge of piston with brake fluid. Slide piston into calipier. You will need to make sure it is started straight and then use a C-clamp to compress the piston all the way in. Never ever use any oils or grease any any internal brake parts because it will cause seal failure. Clean parts are critical, but again , no petroleum products. Good luck
Posted on Jun 10, 2009
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