What can cause the brakes on a Chevy Silveradoto not brake?

1999 CHEVROLET SILVERADO
200 MILES
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MICHELLECRUZ
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  • 2 POSTS
I have changed new brakes and new calipers
When I push the brake all the way down it still doesn't brake
Jul 25, 2012 at 10:52 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Did you bleed the system?
Have you checked the master cxylinder?
Does pedal sink to bottom when depressed?
Jul 25, 2012 at 10:55 AM
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MICHELLECRUZ
  • MEMBER
  • 2 POSTS
Master cxylinders are bran new
And the pedal goes back up like if nothing was wronge with it.
Jul 25, 2012 at 11:03 AM
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MICHELLECRUZ
  • MEMBER
  • 2 POSTS
Have bran new master cxylinder and when I brake the pedel goes back up.
Jul 25, 2012 at 11:15 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Did you bleed the system completely and was master cylinder bench bled before installation?
Jul 26, 2012 at 5:08 AM
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