Brake Leak

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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Brake Leak in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; So my brakes are spongy and my pedal goes all the way down. I have already bled the brakes and ...
  1. #1
    956Caddy's Avatar
    956Caddy is offline Cadillac Owners Fanatic
    Automobile(s): 2004 Cadillac Cts Black Raven
    Join Date
    Apr 2012

    Brake Leak

    So my brakes are spongy and my pedal goes all the way down. I have already bled the brakes and works for about 2 days then same thing. I already power washed the master cylinder and area and there are fluid stains along the rear of cylinder where it bolts onto booster and along both brake lines. Could this be the master cylinder? Also the rubber seal swells googled that it could be contaminated fluid? Any help please

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  3. #2
    AAIIIC's Avatar
    AAIIIC is offline Super Moderator
    Automobile(s): '05 CTS-V
    Join Date
    Aug 2007
    Where the Navy takes me...

    Re: Brake Leak

    The brake booster doesn't have any brake fluid in it, so if you're seeing brake fluid where the MC bolts to the booster it must be from the MC.
    '05 Stealth Grey CTS-V, 19x8.5/10" CCW T140s with Toyo Proxes T1 Sports (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

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