brake pedal will not pump up

1991 MAZDA B2600
87,000 MILES • 2.6L • 4 CYL • RWD • AUTOMATIC
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BILLMILL5050
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my brake petal goes to the floor .it wont pump up when cranked or when key is off . I still have fluid in the resivor.what do I check .somebody said booster.i don't know the abs came on and went back off
Aug 25, 2016 at 11:19 PM
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HMAC300
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you probably either have a bad master cylinder or air in system or both. Have a pro check this
Aug 26, 2016 at 9:29 AM
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BILLMILL5050
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thanks, i didn't know overloading would make brakes go out.i put about 1100 lbs load on back and when i got home ,no brakes. but next morning i had brakes again.i didn't drive any different. i went ahead and flushed and bleed. thanks for the help
Aug 27, 2016 at 10:27 PM
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RENEE L
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Glad we could help please 2CarPros any time
Aug 31, 2016 at 4:55 PM