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Old 06-16-2014, 08:21 PM   #1
Alleykat
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Brake bleeding help - Bingle/Long Point area

I just recently removed and reinstalled my wheels. I did NOT undo any brake lines. I did unbolt the calipers to remove the front wheel.My friend at one point squeezed my levers.I had to push back the pistons with a flat head.

Fast forward I'm ready to ride and the hand brake lever is spongy as .I bleed the master,it firms up. Bleed the calipers and only 1 has bubbles. Everything seemed ok now. Once I roll the bike outside and push the lever again it sinks right in,no resistance.I already bled it several times. It firms up but once I stand it up and walk it a little distance it sponges up again most of the tries.

What am I doing wrong? All the bleeders are closed tightly.

Already tried zip tie lever and a mighty vac,still same results.

If you're in the area and are a brake bleeding badass lmk.
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Old 06-16-2014, 08:23 PM   #2
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Did you pump the brake levers when you were outside? Like when u were ready to ride. Try that really quick lol
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Old 06-16-2014, 08:33 PM   #3
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Quote:
Originally Posted by r6racer View Post
Did you pump the brake levers when you were outside? Like when u were ready to ride. Try that really quick lol
Yup,it will firm up but once you roll and try to stop its back to spongy.
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Old 06-16-2014, 08:40 PM   #4
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Do u have ABS on ur bike?
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Old 06-16-2014, 08:57 PM   #5
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Do u have ABS on ur bike?
Yes I do,I can switch it off though.
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Old 06-16-2014, 08:59 PM   #6
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Quote:
Originally Posted by Alleykat View Post
Yes I do,I can switch it off though.
Hmmm even though u can switch it off u might have to put the ABS control module in "bleed" mode...I am not exp with bleeding ABS brake bikes but hopefully someone will chime in... Hit up the Ducati forums...
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Old 06-17-2014, 08:07 AM   #7
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I have this problem with my 08 gsxr.
Does yours......
If you don't move the bike does it stay firm?
After you roll the bike around does it get spongy?
You have to pump it a few times to get it to firm up?

I switched rims to a back up set while I change tires. Well.... the front rim was bent. whe I put my stock set back on it did exactly what you said.... I haven't driven the bike since then but my thoughts were that the piston some how are not moving back to where they should be.

Did you change your tires???
Just a thought......there could be a chance the rotors are warped and as it rotates around its pushing the pistons back into the caliper.
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Old 06-17-2014, 08:31 AM   #8
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To me it sounds like the rotors are pushing the pads away from the rotors and so there is some take up on each first pull of the brake and then it firms up. Roll the bike and see what the pads look like, then pump the lever till it's firm and check again.
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Old 06-17-2014, 10:57 AM   #9
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Thats what I was getting at...
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Old 06-17-2014, 02:32 PM   #10
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I did so many diff things I'm not sure which one worked but it's ok now.

Combination of mass bleeding with mighty vac while bike had ABS off.Since it would get hot if I left it running I also did it while off.Zip tied lever overnight too.

As far as pads they do look a bit work so I'll get new ones soon.

Thanks for y'all's input guys. Now help me make the hot sun go away.
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Old 06-17-2014, 02:35 PM   #11
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Old 06-17-2014, 02:40 PM   #12
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Quote:
Originally Posted by Alleykat View Post
I did so many diff things I'm not sure which one worked but it's ok now.

Combination of mass bleeding with mighty vac while bike had ABS off.Since it would get hot if I left it running I also did it while off.Zip tied lever overnight too.

As far as pads they do look a bit work so I'll get new ones soon.

Thanks for y'all's input guys. Now help me make the hot sun go away.
I did my best, but it'll take about 4-5 months before it is effective enough to make afternoon temps more comfortable.
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Old 06-17-2014, 03:12 PM   #13
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Let me know how you ended up completing the bleeding process. I might end up with the same bike after I finish school.
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