74 eldorado, brakes gone
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Suspension, Brakes and Tires Discussion, 74 eldorado, brakes gone in Item Specific Cadillac Discussion; Hi, I am new owner of a 74 eldo convertible, was driving it the other day, brakes went to the ...
  1. #1
    74droptop_eldorado is offline Cadillac Owners Member
    Automobile(s): 74 Cadillac Eldorado Convertible
    Join Date
    Jun 2010
    Age
    31
    Posts
    15

    74 eldorado, brakes gone

    Hi, I am new owner of a 74 eldo convertible, was driving it the other day, brakes went to the floor while driving, I rolled through 4 way stop and lock ebrake up to stop it. I have driven it over 400 miles with perfect brakes, no issues, now all of a sudden pedal goes to floor with no braking power. I looked under hood, the resovoir is full, but it has no pressure on pedal. Is this a brake booster problem? anyone ever replaced one of these? does not seem like a hard job but any ideas I would appreciate it, thanks
    DR
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  3. #2
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
    Join Date
    Feb 2003
    Location
    california
    Age
    67
    Posts
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    Re: 74 eldorado, brakes gone

    Assuming no fluid leaks at any wheel, the master cylinder most likely failed, not the booster. A failed booster would keep you from depressing the pedal. A master can fail when its completely full. It by- passes fluid within itself thereby never providing the pressure to move the fluid. One other thought, if this car has rear drum brakes, remove the drums to see if the wheel cylinders are leaking.

  4. #3
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
    Join Date
    Feb 2003
    Location
    california
    Age
    67
    Posts
    5,905

    Re: 74 eldorado, brakes gone

    Never heard back. Did he die driving with no brakes???

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