Question about 1990 Buick Reatta

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Back brakes won,t bleed

When i first got this car i had brake problems, it takes both feet on the pedal to stop car,i was told that the brake pads were probaly glazed and needed replaced. this i did,although they looked fine.rotors are also fine.i can get brake fliud to drain out the back lines on gravity , "after i replaced the proportation valve next to the rear wheel" the front wheels bled with no problem. also im going to have to remove/replace steering wheel because the horn buttons are broken and need replaced. how do i remove the steerning wheel without the airbag inflating?? thanks so much for your time

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  • 2 more comments 
  • bobvanpelt1 Aug 30, 2008

    i started with the front wheels and they bled, how do i undo the front now?? just let them drain while i try to bleed the back first? Thanks

  • bobvanpelt1 Aug 30, 2008

    nothing comes out the back bleeders using the brake pedal on either side.this has an ABS system i assume your aware of that.do i have to do anything with the 5 electrical connections that run to the master clyinder? there is a yellow ABS light that comes on when the ignition switch is turned,should this be?

  • bobvanpelt1 Aug 30, 2008

    i assume the proportioning valve is located inside the case that is attached to the master clyinder?? the one where the three brake lines feed from?? is that a part thats availibe without having to buy the whole master unit? or are you talking about the module thats in the trunk on the drivers side?

  • bobvanpelt1 Aug 30, 2008

    Thanks keemo68, for your input on my brake problem, hope it works! will know tomorrow if i can get a new module

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  • 1,263 Answers

You can prevent it from inflating by wearing a anti staic bracelet. it has an alligator clip that will attach to a ground. just take your time and you will do allright. when bleeding brakes always start with the right rear then the left rear then right front and finally left front. this is a two man operation. please rate this solution thanks

Posted on Aug 30, 2008

  • 2 more comments 
  • Ronald Mueller
    Ronald Mueller Aug 30, 2008

    no you never open more than one bleeder at a time. you have someone push the brake pedal down and hold it. then you open bleeder until you have steady stream and close bleeder. repeat as neccessary one wheel at a time in the directions i told you. make sure brake fluid resevoir is always full with fluid.hope this helps please rate the solution. thanks.

  • Ronald Mueller
    Ronald Mueller Aug 30, 2008

    ok if your ABS light is on and you have problems with hard operation it's your ABS moduel. there is a proportioning valve intergrated inside the unit which is malfunctioning which tells me why ythe front's work and the back doesn't

  • Ronald Mueller
    Ronald Mueller Aug 30, 2008

    the one inthe case of the unit up front. this is a dealer only item. also i should mention that if you had lost all the fluid out of master cylinder you will have to bench bleed it again.

  • Ronald Mueller
    Ronald Mueller Aug 30, 2008

    good luck please rate the help i have given you i would appreciate it thanks

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