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The brake pedal gets loose or mushy half way?

Tiny
ALEISTIKOW
  • MEMBER
  • 1989 CHEVROLET BERETTA
I have a 1989 chevy beretta with 150,000 miles, automatic, and have a minor problem braking. Sometimes when I'm stopping the brake pedal gets loose or mushy half way through my stop and I have to release it and pump it again just to stop. It has new brakes and the fluid is full and doesn't leak. Some have said it might be a vacuum hose but I don't know.
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Monday, November 26th, 2007 AT 6:05 PM

2 Replies

Tiny
KEEPTHEBERETTAALIVE
  • MEMBER
  • 8 POSTS
Have you replaced the Master Cylinder?
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Saturday, December 1st, 2007 AT 10:58 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Yes, the brake master cylinder is the one cause of this problem, here is a guide to help and instructions for your car in the images below.

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

1. Disconnect wire connector from brake warning pressure switch.
2. Disconnect brake lines from master cylinder.
3. Remove two master cylinder mounting nuts, then the master cylinder.
4. Reverse procedure to install.

Please let us know what happens.
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Thursday, June 13th, 2024 AT 3:48 PM

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