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Ron
Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23001
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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Put in new brake pads+new caliphers. bled all lines.filled

Customer Question

put in new brake pads+new caliphers. bled all lines.filled reservoir and still brake pedal goes to the floor. what is wrong?
JA: Have you tried cleaning and oiling the brake pedal's pivot under the dash?
Customer: no.do you think the master cylinder is gone
JA: What is the make/model/year of your car?
Customer: yr=2006
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: yr=2006,f350 diesel,xlt super duty.....replaced all pad(4x) all calipers and bled all line to brakes.still, the pedal goes to the floor???what do you suggest
JA: Anything else you want the mechanic to know before I connect you?
Customer: what about replacing the master cylinder
Submitted: 3 months ago.
Category: Ford
Expert:  Dan replied 3 months ago.

Hello my name is***** am an ASE Master Technician and I am glad to help you with your question.

Expert:  Dan replied 3 months ago.

Make sure you have no leaks in the lines. Yes the master cylinder can cause this problem. Also you need a scan tool to bleed the abs after replacing the master cylinder.

Expert:  Dan replied 3 months ago.

I can send you the brake bleeding procedure from the service manual if you need it.