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braking woes

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by stevewix, Jan 5, 2005.

  1. stevewix

    stevewix Registered Member

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    hi all, i've got an 85 m1009 cucv that i recently swapped 1 ton axles onto. i thought it braked weird before, swapping the axles confirmed my suspicion, the rear brakes aren't getting any kind of pressure. i can't gravity bleed them, it acts like the line is kinked or the proportioning valve is screwed up. i'm 99% sure they never worked right from day one, so i would rather inspect master cyl, etc.

    the rear has a new pro-comp brake line, so the rubber one isn't collapsed or anything.

    ideas? questions? post up!
     
  2. Resurrection_Joe

    Resurrection_Joe 1 ton status

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    Are the lines kinked?

    I had a pain in the ass braking problem and went through 3 masters. I broke off a fitting on the MC and replaced the hardlines to it, and it seems to work fine now on stands

    You can try gettin a used master so you can start throwing parts at it, I got them from members for cheap cheap
     
  3. stevewix

    stevewix Registered Member

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    hey thanks, after bleeding the brakes 4 TIMES then using a suction bleeder i finally got an enourmous air pocket out of the systemworks!
     
  4. Resurrection_Joe

    Resurrection_Joe 1 ton status

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    Hooray!

    I fell out of my truck last time I bled brakes

    Three feet to concrete
     

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