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slow brakes

Discussion in 'Chevy Trucks' started by gilcontr, Apr 11, 2002.

  1. gilcontr

    gilcontr Junior Member
    Messages: 5

    i am having problems with my power brake system. for some reason, when i step on the brake pedal and wait for it to come back up again, it comes back slowly. If i pump the brakes a couple of times, it seems to build up pressure but then goes away in a matter of seconds. At the moment, the vaccum tube is running off the intake manifold. the master cylinder and booster are brand new. Anybody have any advice???:confused:
  2. MTCK

    MTCK Senior Member
    Messages: 346

    Air in the system? Have you bled the brakes properly? It sounds like that kind of problem to me.