1985 Mercedes Benz 380sel brake pedal going soflosin

1985 MERCEDES BENZ 380SEL
20,000 MILES • V8 • 2WD • AUTOMATIC
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PETERDD9
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  • 4 POSTS
brake pedal hard whilst engine off. start motor pedal goes soft nearly to floor and revs go up approx 400 rpm
Jun 18, 2010 at 10:35 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
If there's no leakage anywhere -test the brake master cylinder could be leaking internally not creating pressure
Jun 18, 2010 at 10:39 PM
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