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Stuck brake caliper

  • Thread starter Thread starter KRISTI'SGS550
  • Start date Start date
Cory,
Suzuki/Kawasaki/Honda/Toyota/Nissan/BMW/Ford/Chevy/etc.... Only brake fluid on internal brake system parts. Period!

There could be scale build up in the caliper seal groove - behind the rubber seal causing it to be pushed outward. Inspect all parts very carefully. Also could be the dust seal is not installed properly causing the binding your describe. Not sure about the cause but I am very sure that grease is not allowed inside the caliper or master cylinder.
 
Update:

I took the brake caliper off and cleaned everything up really good with what I had. There really wasn't anything in grooves of the cylinders and the pistons (brake) were clean with a couple inside knicks. I took the dust seals off and kept the oil seals on while sliding the pistons in and out of the cylinder. My earlier problem seems to be the dust covers. I then pulled the pistons completely out and replaced the dust seals. I put one piston in and tried to push it but it seemed stuck, so I took it out and flipped the dust deal over. I put the piston in and it slid with minimal pressure from both thumbs. I did pretty much the exact same with the next one, except it pushed in with both thumbs the first time. Both cylinders could be coaxed out using my fingers and wobbling them back and fourth. I installed the caliper back on the bike and have the brakes bleeding currently. I will update again tomorrow in the AM. I left a zip tie on the brake lever to see if I could get some air bubbles out of there over night.

Anything here sound out of the ordinary to anyone or does it sound like I am on the right track?

Nessism, thank you for the patience and setting me straight. I do appreciate all of your wisdom.

Cory
 
Sounds to me like you found your problem - the piston movement you describe now is how it should be.
 
OK, I got everything working, but my brake lever is still VERY spongy. As i was going the describes brake bleeding process on BassCliff's webpage I would hear an air leak somewhere in the M/C now. Should I just trash the whole set up and buy a new pair of brakes for me bike? I have nothing else to replace, tighten or adjust. I am not sure what it leaking the air, but I think it is my brand new brake line. I am tired of working on brakes.

These brakes are making me mad.

Cory
 
KRISTI'SGS550 said:
OK, I got everything working, but my brake lever is still VERY spongy. As i was going the describes brake bleeding process on BassCliff's webpage I would hear an air leak somewhere in the M/C now. Should I just trash the whole set up and buy a new pair of brakes for me bike? I have nothing else to replace, tighten or adjust. I am not sure what it leaking the air, but I think it is my brand new brake line. I am tired of working on brakes.

These brakes are making me mad.

Cory
Click to expand...

How's the tread on your sneakers?
 
yeah, no joke right! I'm going to be stopping my bike old school, with my foot on the back wheel. any suggestions?

Cory
 
KRISTI'SGS550 said:
yeah, no joke right! I'm going to be stopping my bike old school, with my foot on the back wheel. any suggestions?

Cory
Click to expand...
Anything you can get done first to take a break from the uh, brakes? I sometimes catch a brainwave when I back away from something for a while.
 
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