my pedal goes to the floor after i replaced calipers.

1998 FORD RANGER
40,000 MILES
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QUESTION
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I changed my pads and discovered that my calipers were leaking so i replaced them. After replacing calipers I bled the system but I had no brakes. I replaced the master cylinder and bled the system, still no brakes.
Nov 20, 2011 at 12:47 AM
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CARADIODOC
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Did you bench-bleed the new master cylinder before installing it?
Nov 20, 2011 at 1:19 AM
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CJ MEDEVAC
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THIS MAY HELP

IS THIS THE WAY YOU APPROACHED IT?

http://www.2carpros.com/questions/1999-ford-f-150-brakes--3

THE MEDIC
Nov 20, 2011 at 2:58 AM
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QUESTION
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yes i bench bled the master cylinder, placed it on the truck and bled all four wheels and still no brakes at the front wheels.
Nov 21, 2011 at 3:37 AM
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CJ MEDEVAC
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DO YOU HAVE A HARD PEDAL?

DO YOU GET HARD PEDAL AND DROPS AS YOU BLEED THE FRONT CALIPERS---THEN "RECOVERS" TO FULL PEDAL WHEN BLEEDERS ARE CLOSED AND A FEW PUMPS ARE PERFORMED?

THIS IS SORTA PUZZLING--PLEASE ANSWER AND ADD ANYTHING ELSE THAT COULD BE RELEVANT

THE MEDIC

Nov 21, 2011 at 3:54 AM
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CJ MEDEVAC
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IS THIS THE CALIPER YOU HAVE?

THE MEDIC
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Nov 21, 2011 at 4:05 AM
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QUESTION
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when bleeding the front brake after several pumps the pedal was hard but when the bleed screw was opened the pedal did not move but fluid came out of the bleed screw.
Nov 21, 2011 at 4:20 AM
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JACOBANDNICKOLAS
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Have you checked the rubber brake hoses to the front?
Nov 21, 2011 at 4:25 AM