brake light
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, brake light in Past Cadillac Vehicle Discussion; 90 brougham, warning brake light been on all week brake fluid good did have a small leak under the drivers ...
  1. #1
    lincolncadillac's Avatar
    lincolncadillac is offline Cadillac Owners Member
    Automobile(s): 1990 Brougham, 1989 Brougham
    Join Date
    Mar 2011
    Location
    Kingsland GA / Jacksonville FL
    Age
    45
    Posts
    83

    brake light

    90 brougham, warning brake light been on all week

    brake fluid good

    did have a small leak under the drivers door about 2 months ago, but doesnt appear to be leaking now.

    brakes are working fine

    some times when I press the brake it disappears

    ...master cylinder?
    ...air in system?

    just now starting to drive this car every once in a while since I got it, starting to find out what happens to a car after it sits for 2 years

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  3. #2
    sven914 is offline Cadillac Owners Connoisseur
    Join Date
    Dec 2008
    Posts
    4,164

    Re: brake light

    Check and make sure the parking brake is not partially engaged. Then check the connector on the combination valve for for corrosion, and make sure the terminals aren't shorted out.

  4. #3
    jayoldschool's Avatar
    jayoldschool is offline GM RWD V8 addict
    Automobile(s): 81 FWB D'Elegance coupe
    Join Date
    Sep 2006
    Location
    Ontario, Canada
    Age
    41
    Posts
    6,732

    Re: brake light

    You have a leak. Leaks don't go away. line is rusted through under the doors, up on top of the frame. Very common with these cars. Get the car up in the air, find the leak, cut the line, fix it, and bleed the system. Flare the tubing properly, don't use compression fittings. Once you get pressure back and equalized, your light will go off.

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