Brake problems after replacing master cylinder

2000 CHEVROLET BLAZER
165,000 MILES • 4.3L • 6 CYL • RWD • AUTOMATIC
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JEANNIE SATORIS
  • MEMBER
  • 1 POST
Replaced master cylinder. Bled brakes but no braking action. Brake pedal soft and goes to floor. We have repeated the process with no luck. What could be the problem?
Jun 4, 2016 at 8:21 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
air in system especially with abs. rent a power bleeder from a rent shop and try bleeding a couple of quarts through system if it still does it a professional will need to hook up a professional grade scanner to open all valves in abs unit.
Jun 4, 2016 at 8:40 AM
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