After replacing the Master cylinder brake pedal still goes to the floor

Tiny
GARY JACQUARD
  • MEMBER
  • 1980 CHEVROLET CAMARO
  • 2.9L
  • V8
  • 2WD
  • AUTOMATIC
  • 78,000 MILES
Is it normal to see the master cylinder and power booster move a bit when braking? Just got new master cylinder and calipers installed. Brakes improved but not by much, pedal will still go to the floor before stopping
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Monday, May 4th, 2020 AT 8:36 AM

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Tiny
ASEMASTER6371
  • EXPERT
Good afternoon,

Did you bleed the system? It sounds like you have air in the system. I would pressure bleed the system as there may be air trapped in the lines.

https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor

https://www.2carpros.com/articles/how-to-bleed-or-flush-a-car-brake-system

Yes, it is not abnormal for the firewall to flex a little when applying the brakes.

Roy
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Monday, May 4th, 2020 AT 9:55 AM

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