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Iron Butt
Posts: 725
Reno County, KS | I've had problems with my rear brake being "soft" since I bought her but it has gotten worse lately. The last couple times I have taken her after sitting for a month, I found the brakes are so soft that the rear brake peddle bottoms out. I have bled the brakes multiple times (front and back). There is evidently a problem with the linked brake system that causes the rear brakes to go soft when there is air in the front brake line. Here's how it happns.
1. I come home from work after a month away and find the rear brakes wont slow the bike.
2. I check the brake lines for signs of leakage and pump them repeatedly until the start to firm up.
3. I bleed the brakes under pressure and check the reservoir level (all good so far).
4. The brakes are good to go until I come back again from work and the rear brake fails again.
I can't find any leaks, cracks, etc. The reservoir seems to maintain it's level.
I suspect there is air in the system that I just haven't gotten out completely.
Anyone with any suggestions on how to positively eliminate any air in the system? Perhaps one of those vacuum pumps (I've never used one).
Thanks,
-Will |
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Tourer
Posts: 388
Salisbury, NC | It takes two to bleed the brakes. The rear brake petal has to be pumped really hard before you loosen the middle bleeder valve on the front wheel. Do this a couple of times. Then once you have it bled good, you should not have any more problems out of it. ET
Edited by etspastimes 2010-08-08 8:28 AM
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Iron Butt
Posts: 725
Reno County, KS | Ok thanks!
I'll grab a volunteer and get some help this time. |
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Rear brakes broke!