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The bleeds shouldn't be open open the ABS is cycled, what happens is the fluid is returned to the m/c through the pump and accumulator.
You can do this by driving the car and locking up the brakes.
The fluid path is controlled by 3 ports in the solenoid chamber, the solenoid position controls which combination of ports are used, there are 3 positions for the solenoid
1) pass thru
2) hold pressure in the caliper(the m/c is cut off and fluid is returned from the ABS to the m/s and/or accumulator) a subset of this is reduce pressure
3) increase pressure from the accumulator fluid goes from the accumulator to the caliper
Last edited by Bill Verburg; 09-19-2015 at 04:24 PM..
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