1st Generation S-series (1983-1994) Tech Discuss 1st generation S-series (1983-1994) general tech topics here.

master cylinder

Old Aug 3, 2023 | 02:59 PM
  #1  
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Default master cylinder

Hi all
I have problem with master cylinder, with stopped engine the brake pedal look like correct, it bears pressure but with engine running the brake pedal go fast to bottom due the booster action. I realized that the braked liquid into the master cylinder reservoid is bubbling when tapping pedal from the bottom of reservoid, the bubbling more intense when engien is running.

someone realized about that ?
 
Old Aug 5, 2023 | 05:07 PM
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You have air in the system. You need to bleed your brakes.
 
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