wheel cylinder blowing
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Suspension, Brakes and Tires Discussion, wheel cylinder blowing in Item Specific Cadillac Discussion; Hey Folks I replaced the shoes and wheel cylinders on my 87 Brougham. The drivers side rear cylinder keeps popping ...
  1. #1
    johndfw's Avatar
    johndfw is offline Cadillac Owners Fanatic
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    wheel cylinder blowing

    Hey Folks
    I replaced the shoes and wheel cylinders on my 87 Brougham. The drivers side rear cylinder keeps popping appart. Two times now. The first time I was able to reassymbal it, this time the rubber boot was destroyed.
    Has this ever happened to anyone ealse?

    Later

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  3. #2
    Krashed989's Avatar
    Krashed989 is offline Cadillac Owners Connoisseur
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    Re: wheel cylinder blowing

    It may be time for a new proportioning valve.

  4. #3
    EcSTSatic's Avatar
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    Re: wheel cylinder blowing

    That's a new one. Even cars without the valve don't "pop". Did they give you the right parts? Are the shoes/hardware assembled correctly? The left and right should look like mirror images.

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    DaveSmed's Avatar
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    Re: wheel cylinder blowing

    Have pictures? The spring tension on the shoes should hold it together if nothing else. The drum would keep it from overextending when applied.Maybe something isn't quite lined up right?

  6. #5
    Krashed989's Avatar
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    Re: wheel cylinder blowing

    Are you bleeding it before putting everything back together?
    If so, you should put it all back together first (with a new cylender), then bleed it.

  7. #6
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    Re: wheel cylinder blowing

    Hey Folks
    I think what happened was one of the steel plungers, sorta shaped like a bolt with two slots on the head, was installed wrong. Mechanic error,not mechanical error. I must have goofed from being in a hurry.
    Thanks for your thoughts.
    Later

  8. #7
    ewill3rd is offline Cadillac Technician
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    Re: wheel cylinder blowing

    If those have the 4 little tabs on the pins that go into the shoes on the grooves, you have to be careful to make sure they mate properly with the shoe. If they are not in place, they will shoot right out when you step on the brake. It's hard to line all that stuff up when you assemble it.

    There is no other way that can happen though. I hate to say it but it has to be the way you put it together.

  9. #8
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    Re: wheel cylinder blowing

    Yeah..........Thats what I thought.

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