Brake pedal is low on first pump and will go to floor under pressure, but will stop the van,it has new calipers and new master cylinder


Asked by Nov 01, 2014 at 03:10 PM about the 2005 Ford E-Series Cargo E-150

Question type: Maintenance & Repair

7 Answers


Did you bleed all the air out of the system after replacing master cylinder?

3 out of 3 people think this is helpful.

Needs to be bled. If you are going to say - already did- needs it again


Yep air in the system, you may have air trapped in the RABS unit on the Antilock system, there maybe a bleeder on the unit itself. If you still can't get it bled properly you might have to take to a shop that can do reverse bleeding.

Best Answer

I bleed after replacing master, I bleed again at all calipers....I like the answer that air is in the RABS . I will look for a bleeder on the unit... Thanks for all answers Charliee


I just though of something, did you bench bleed the master cylinder before you put it on your rig?


Yes I did , have a lot of fluid through the bleeders


OK I was just trying to cover the bases.

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