hi adjust your rear brakes should take care of it your oedal will go to the floor with no rear brakes touching you will feel the pedal come up as ther adjusted thank you
Hi, welcome to JA.
I'd like to help you out with this, but I have a few questions:
Thanks, XXXXX XXXXX't want to be repetitous...but can you tell me why the van needed brake work if the pedal was good beforehand? This will give me a better understanding of what possibly could have occured during the service. Also, has your mechanic PRESSURE bled the system yet? How about bleeding with the engine running to actuate the ABS system?
Will, I don't want to be the bearer of any bad news...but it sounds like the air is trapped in the ABS hydrolic unit, and this can only be bled with the use of a factory scan tool. Below are the procedures. But, he can try to bleed it by cracking the lines at the hydrolic unit with the engine running. Also, I've had great luck using a pressure bleeder...infact it almost always requires a pressure bleeder to get the stubborn air bubbles out. There's also a possibility that one of the new calipers are sucking air back in through the piston seal...this is especially true for rebuilt calipers. To elliminate the calipers, you can pinch the front rubber lines with special brake hose pinches and see if the pedal hardens up. You can also pinch the rear lines and elliminate any problem with the rear with this method.
ABS system bleeding requires conventional bleeding methods plus use of the DRB scan tool. The procedure involves performing a base brake bleeding, followed by use of the scan tool to cycle and bleed the HCU pump and solenoids. A second base brake bleeding procedure is then required to remove any air remaining in the system.