Question about Ford E-350 Super Duty

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Brakes 2000 E450 Ford V10, replaced rear calipers due to their being siezed up. Bled brakes conventionally, but still no pedal while running. Will build up somewhat when not running, but while running goes to floor and have only front brakes. Can hear calipers in rear moving to indicate some function. No hissing noises to indicate booster problem. Cannot locate a RABS block. May be looking in wrong spot... This is an E450 Super Duty Motorhome chasis. HELP!

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  • captgarys May 11, 2009

    I have bled over a quart of fluid through the system. Still spongy at best. Had good pedal prior to replacing calipers, so I don't suspect the master.... But I cannot seem to get the air out, if it is there.

  • jrk05a May 11, 2010

    This still sounds like you have air in the system. I would bleed your brakes again and make sure that there is plenty of fluid in your master cylinder...

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Check to see you haven't mounted the calipers on the wrong sides. bleeders should be on top not the bottom. RABS block is on the framerail near the drivers door

Posted on May 19, 2009

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