General Category > ABS related issues

ABS not working on rear only.

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Love2Ride:
Just to clarify something. I have bled from the lever (front brake) and the foot brake pedal mechanically and then using the ABS pump motor to bleed from the pump to the two front nipples but the back I cannot do from the pump to the rear wheel because the ABS pump will not run when I push on the rear brake pedal.

Jughead:
[youtube]https://www.youtube.com/watch?v=d5sJjnHPv2Q[/youtube]

schuppi:
Hello

If this fault is stored in the unit, there will be no function of rear pump.
So the bleeding of the rear system will not be executable :-\

Jughead:
The pump will not run if the error is currently present, and you cannot clear the error because it is currently present.  You need to resolve the issue first (remove the source of the error) (Error not currently present) before you can clear the error and operate the pump.

Love2Ride:
Ok, thx guys. I did bleed the brakes in the right sequence except my reservoir to catch the old brake fluid was below the pump and the calipers (on the floor). Well, all of that is useless until I fix the source. So, I think I will first swap the two pressure switches on top of the pump to see if the problem shifts to the front brake and then I will take the unit out of the bike, remove the sensor off the side of the pump and see if I can source a another sensor somewhere. If anyone has an idea where to get a sensor if will be much appreciated.

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