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Cant get a firm pedal after bleeding brakes

Discussion in '2nd Gen. Tacomas (2005-2015)' started by mnudo200827, Sep 18, 2010.

  1. Sep 18, 2010 at 6:03 PM
    #1
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    I jut installed some SS lines in the rear from all pro and after getting them all hooked up, cant get a firm pedal, it just goes to the floor and their is a hissing sound when i press down the pedal and it seems to be coming from the front so i dont think the lines have a hole. but when i bleed the brakes, the oil doesnt come shooting out like the front does, it just slowly runs out. I have done it probably 30 times to each rear wheel. Any help would be great. Thanks...mike
     
  2. Sep 18, 2010 at 6:20 PM
    #2
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    anybody got any ideas?!?!?!
     
  3. Sep 18, 2010 at 6:20 PM
    #3
    brutalguyracing

    brutalguyracing BIG DADDY

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    broken mods
    might have to bleed master cyc...
    but im not sure
     
  4. Sep 18, 2010 at 6:20 PM
    #4
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    how do i do that?
     
  5. Sep 18, 2010 at 6:24 PM
    #5
    brutalguyracing

    brutalguyracing BIG DADDY

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    broken mods
    not sure i have had a few:drunk::cheers: tonight
     
  6. Sep 18, 2010 at 6:25 PM
    #6
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    :rofl:
     
  7. Sep 18, 2010 at 6:26 PM
    #7
    brutalguyracing

    brutalguyracing BIG DADDY

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    broken mods
    one of the pros will chime in soon im sure.....
     
  8. Sep 18, 2010 at 6:26 PM
    #8
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    thats what i am waiting for lol
     
  9. Sep 18, 2010 at 6:32 PM
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    brutalguyracing

    brutalguyracing BIG DADDY

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    hey when your bleeding them are you leaving the cover off and adding fluid
     
  10. Sep 18, 2010 at 6:35 PM
    #10
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    if you mean the master cylinder cover, no i have it on but i am adding fluid to it. Am i supposed to leave it off, i have always left it on and had no problems.
     
  11. Sep 18, 2010 at 6:43 PM
    #11
    Janster

    Janster Old & Forgetful

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    How did you bleed the brakes? Did you bleed at all 4 wheels?
     
  12. Sep 18, 2010 at 6:45 PM
    #12
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    ya i have done all 4, the fluid comes shooting out of the fronts but in the rears it just trickles out, i have gotten a few good spurts of air and fluid but the pedal still wasnt right and i kept doing it and it just trickles out.
     
  13. Sep 18, 2010 at 6:48 PM
    #13
    JAG

    JAG Well-Known Member

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    Bleed the breaks starting from the left (driver) rear wheel... then right (passenger) rear wheel then bleed to passenger side front then to driver side front. You will need two people to bleed the brakes (unless you have fancy equipment). Even though you didn't touch the rear brakes... air could easily be trapped in the lines if the master cylinder was low.
     
  14. Sep 18, 2010 at 6:49 PM
    #14
    johnw

    johnw Well-Known Member

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    like what procedure are you bleeding front then back? you should start the farthest away from the master cylinder so its on the driver side i think start bleeding the right rear tire until fluid come out then left rear then right front then left front make sure fluid level is full
     
  15. Sep 18, 2010 at 6:50 PM
    #15
    JAG

    JAG Well-Known Member

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    Did you work from the rear driver side in a circle to the drive side front?
     
  16. Sep 18, 2010 at 6:52 PM
    #16
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    actually i havent done it one at a time all the way around, i have done the rears more often, just because the fluid shoots out of the fronts
     
  17. Sep 18, 2010 at 7:00 PM
    #17
    JAG

    JAG Well-Known Member

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    Ok scratch everything you have done. And just start fresh. Fill up the master cylinder with dot brake fluid because you are prob low. Have a friend help you. Have him press on the brake all the way you can physically can to bleed it on the driver side rear then work in a circle to the driver front. You will prob have to do this a...........

    Hang on a sec.

    Have you ever done brakes before?
     
  18. Sep 18, 2010 at 7:03 PM
    #18
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    ya i have done them before, this is the first time having problems like this, i usually do it the way you guys have explained, but i dont know, i guess since the fronts are shooting out fluid and the rears are just trickling, i kept working on the rears
     
  19. Sep 18, 2010 at 7:06 PM
    #19
    JAG

    JAG Well-Known Member

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    Couple things...

    Make sure the lines are installed correctly.

    Make sure the master cylinder has plenty of fluid.

    Start from the driver rear bleed the brakes until it shoots out fluid. You may have to bleed it a couple of times. Do you have someone able to help u?

    edit... key part... make sure that when the line is open whoever inside presses down on the pedal all the way. Make sure they know NOT to release the pedal until you closed the valve. Do this process a couple times working to the cylinder.
     
  20. Sep 18, 2010 at 9:28 PM
    #20
    mnudo200827

    mnudo200827 [OP] Well-Known Member

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    ya i finally got it, they were holding down pedal cause they were telling me they were. It took about another 15-20 bleeds in the rear to get all the air out, i guess from swamping out the lines it had a ton of air in it. Thanks for the help
     
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