Brake bleeding on a '95 F355 | FerrariChat
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Brake bleeding on a '95 F355

Discussion in 'Technical Q&A' started by AZLambo, Dec 31, 2005.

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  1. AZLambo

    AZLambo Formula Junior

    Nov 4, 2003
    511
    Phoenix, AZ
    Full Name:
    Jeff
    #1 AZLambo, Dec 31, 2005
    Last edited by a moderator: Sep 7, 2017
    I changed brake pads today and when bleeding...the outer right rear bled fine, then, nothing from the inner right rear (no brake fluid would come out when my assistant pushed the brake pedal).............and nothing (no brake fluid from the next wheel (left rear) inner or outer bleed screw!!! Since this is an ABS equiped vehicle, does the ignition need to be on, so the ABS pump is working...........in other words, is something keeping the brake fluid from coming out of the bleed screws when pumping the brake pedal? I can't believe the I would have a bunch of faulty or plugged up bleed screws!

    Help!!! My brake light is now on and won't go off.
    I am a novice, so explain in detail, please.

    Thanks,
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  2. AZLambo

    AZLambo Formula Junior

    Nov 4, 2003
    511
    Phoenix, AZ
    Full Name:
    Jeff
    #2 AZLambo, Jan 2, 2006
    On the F355, YOU NEED THE IGNITION KEY ON WHEN BLEEDING THE BRAKES!
    Otherwise the system becomes unpressurized after bleeding the first bleed screw, and with someone pushing the brake pedal, no more brake fluid is going to come out of subsequent bleed screws. The ABS pump will cycle with the ignition on, keeping the system pressurized and letting you bleed the brakes. When you hear the pump come on, close the bleed screw your working on (if open) to let the pressure build up. Then bleed as normal. Whenever the pump comes on again, close the screw your working on. Besides this, bleed as normal with a buddy at the brake pedal.
     
  3. ferrarioldman

    ferrarioldman Formula 3
    Professional Ferrari Technician Silver Subscribed

    Jun 19, 2002
    1,035
    Summerfield, NC
    Full Name:
    Tom Jones
    #3 ferrarioldman, Jan 2, 2006
    It is very common for the bleeder screws to become blocked. If I have a problem like this I remove the bleeder screws and clear the holes before proceding. You may also want to check the opening down inside the bleeder screw hole in the caliper. After you have done this and have made sure that the fluid is topped up, turn the key on allowing the pressure to build until the pump cuts off. Press pedal and open rear inner bleeder screw first. Do not pump pedal. When you feel the pedal "kick back", let off the pedal and again allow the pressure to build. Repeat on outer bleeder screw then do the same on the other rear side. I usually do the RR first. For the fronts, you do not need the pump pressure so you can bleed it with a normal pumping method. I believe that if you were to do a search in this forum with "bleeding brakes" you will find many threads pertaining to this. Be sure to keep the resviour full.
     

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