2007 Cadillac DTS dropping break pedal

4,000 MILES • V8 • FWD • AUTOMATIC
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MIKECLIFF87
  • MEMBER
  • 1 POST
the car was in an accident, i changed the power booster, master cylinder, abs pump, break lines, and properly had everything bled with a tech 2 and bench bled the master cylinder, but the pedal still goes to the floor gradually, and i promise that there isnt any air in the system. the dealer couldnt figure it out. can anybody help me?
Nov 3, 2008 at 9:21 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
What your describing is classic internal seal failure of the master cylinder.
Nov 4, 2008 at 1:37 AM
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