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Break problems after 1 ton swap.

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by crazy_swede_73, Apr 12, 2004.

  1. crazy_swede_73

    crazy_swede_73 Registered Member

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    I bet you've heard this before,,,

    During the axle swap the MC got dry, so i figured i'll try and gravity bleed the system ,,,,with no luck! i still had spongy pedal and rear breaks locking up, so i tried bench bleeding the MC ,,again same thing, bought a new MC bench bled it and ,,same thing,,,
    Rear locks up before front and spongy pedal.
    I tapped on and bled the combination valve but it didnt help i still have bad preasure to the front breaks.
    I'm thinking bad combo valve,,,???

    Crazy_and tired of break fluid on my hands_swede
     
  2. Muddytazz

    Muddytazz 1 ton status

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    I had the same situation when I did my 3/4ton swap the other weekend. I ended up having to get it pressure bled. All fixed now /forums/images/graemlins/thumb.gif
     
  3. crazy_swede_73

    crazy_swede_73 Registered Member

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    I think i have to try that, i'll just drive down to my friend's shop and give him a couple of those green monsters (heiniken) and say hook me up ,,,,and if that doesn't work,,?,,
     
  4. FRIZZLEFRY

    FRIZZLEFRY 1/2 ton status

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    I have had the same problem.Did ya try again after your drive?After mine wouldnt gravity bleed and I still had a spongy pedal,I drove it around a bit and tried it again.I was able to get the rest of the air out after the short drive /forums/images/graemlins/grin.gif
     
  5. Resurrection_Joe

    Resurrection_Joe 1 ton status

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    Might try some speed bleeders, I just picked up a set for 24 bucks for all 4 wheels and I think theyll work, I think they worked fine for Jay Pee
     
  6. crazy_swede_73

    crazy_swede_73 Registered Member

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    Nope,,,i drove around for an hour,, still spongey /forums/images/graemlins/mad.gif,,,i'm changing that valve,,,
     
  7. crazy_swede_73

    crazy_swede_73 Registered Member

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    News flash,,,,,

    I think i found a bug /forums/images/graemlins/tongue.gif
    A guy at work told me that if you mix up the calipers and mount a caliper on the wrong side, you will have the bleeder screw at the bottom of the caliper.Wich means that the air thats inside will never come out, i just checked (retard) AND the bleeders screws IS on the bottom of the mthafokkin caliper,

    /forums/images/graemlins/hack.gif /forums/images/graemlins/yikes.gif /forums/images/graemlins/dunno.gif
     
  8. supersize75k5

    supersize75k5 OrganDonorRacing.com

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    check your calipers and make shure they are not swapped, ask me how I know /forums/images/graemlins/ignore.gif
     
  9. Muddytazz

    Muddytazz 1 ton status

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    I know that on mine, I have the caddy calipers in the rear, and in order to put on the ebrake kit, you have to have the bleeder screws down /forums/images/graemlins/shocked.gif
     
  10. marv_springer

    marv_springer 1/2 ton status

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    [ QUOTE ]
    Crazy_and tired of break fluid on my hands_swede

    [/ QUOTE ]

    /forums/images/graemlins/histerical.gif

    Marv
     
  11. crazy_swede_73

    crazy_swede_73 Registered Member

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    ohh yes,, they were swapped /forums/images/graemlins/shocked.gif
    I put them where they should be and tought hey this is gonna work /forums/images/graemlins/tongue.gif NOT.
    I guess that i just have to get that valve ,,i think /forums/images/graemlins/eek.gif
    The only problem is that where i live, US parts aren't that cheap,,so that valve is somewhere around $110 ,,sucks.
     
  12. Ben

    Ben Registered Member

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    So... should the bleeder screws always be on the top or bottom? Any opinions? Doesn't matter?
     
  13. crazy_swede_73

    crazy_swede_73 Registered Member

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    It should always be on top.
     
  14. crazy_swede_73

    crazy_swede_73 Registered Member

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    problem solved /forums/images/graemlins/laugh.gif
    It was the combination valve,,after bleeding the system ,,,AGAIN /forums/images/graemlins/rotfl.gif´the truck stops like never before /forums/images/graemlins/waytogo.gif
     
  15. marine_enlisted

    marine_enlisted 1/2 ton status

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    Congratulations! So was your truck 1/2 ton originally? What m/c, combination valve, and rear calipers are you using? Do your rears still lock before the fronts? /forums/images/graemlins/ears.gif
     
  16. supersize75k5

    supersize75k5 OrganDonorRacing.com

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    /forums/images/graemlins/woot.gif /forums/images/graemlins/waytogo.gif
     
  17. crazy_swede_73

    crazy_swede_73 Registered Member

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    Thanks!!
    Yes its a K5 ,,so i bought k5 stuff, the MC an Valve was AC delco,
    Front locks before rear /forums/images/graemlins/peace.gif Hard!
    I dont have rear disc's yet /forums/images/graemlins/grin.gif, maybe next year. /forums/images/graemlins/thumb.gif
     
  18. crazy_swede_73

    crazy_swede_73 Registered Member

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    Cool!!! /forums/images/graemlins/thumb.gif /forums/images/graemlins/thumb.gif /forums/images/graemlins/thumb.gif
     

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