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Brake pedal soft after new brake lines Update: bled system and still soft

Discussion in 'Technical Chat' started by mpatrick, Nov 25, 2017.

  1. Nov 25, 2017 at 2:50 PM
    #41
    20tacoma17

    20tacoma17 Well-Known Member

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    Check master cylinder after every couple times so you dont run low on fluid.
     
  2. Nov 25, 2017 at 2:51 PM
    #42
    mpatrick

    mpatrick [OP] Well-Known Member

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    Truck can be off but ignition on right? Or motor running?
     
  3. Nov 25, 2017 at 2:53 PM
    #43
    Tdkrum5

    Tdkrum5 New TRD OR for me.

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    Yes its a two person job.
     
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  4. Nov 25, 2017 at 2:54 PM
    #44
    cory02taco

    cory02taco Well-Known Member

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    I've done it either way. Ignition doesn't need to be on. Pump the pedal till there's pressure, have them hold down on it while you crack the fitting and let the fluid out, tighten the fitting, repeat until there are no bubbles and you have a good pedal. Start at the wheel farthest from the master cylinder.
     
  5. Nov 25, 2017 at 2:54 PM
    #45
    cory02taco

    cory02taco Well-Known Member

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    Or one person and a vacuum pump.
     
  6. Nov 25, 2017 at 2:55 PM
    #46
    20tacoma17

    20tacoma17 Well-Known Member

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    As stated above, you can do it off. No ignition does not need to be On.
     
    wilcam47 likes this.
  7. Nov 25, 2017 at 2:57 PM
    #47
    Tdkrum5

    Tdkrum5 New TRD OR for me.

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    On my BMW the engine needs to be running for the brake booster and the ABS. Have not worked on the Tacoma yet.
     
  8. Nov 25, 2017 at 3:07 PM
    #48
    mpatrick

    mpatrick [OP] Well-Known Member

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    Seems like the pedal stays hard after the first pump and bleeding..
     
  9. Nov 25, 2017 at 3:10 PM
    #49
    20tacoma17

    20tacoma17 Well-Known Member

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    While you are bleeding their foot should slowly gall to the floor? If not try it with engine running. Just be careful. Pressure will be higher.
     
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  10. Nov 25, 2017 at 3:18 PM
    #50
    mpatrick

    mpatrick [OP] Well-Known Member

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    So far it's working!
     
  11. Nov 25, 2017 at 3:19 PM
    #51
    20tacoma17

    20tacoma17 Well-Known Member

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    Getting any air?
     
  12. Nov 25, 2017 at 3:34 PM
    #52
    mpatrick

    mpatrick [OP] Well-Known Member

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    Yes, actually got quite a bit of air. Building up that pressure made a huge difference and reall made a lot of air come out. Only downfall to all this is that I still have o install the front lines. But the truck is back to normal as of now and I'm happy! Thanks for everyone's help!
     
    wilcam47 and Sandman614 like this.
  13. Nov 25, 2017 at 3:36 PM
    #53
    20tacoma17

    20tacoma17 Well-Known Member

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    Glad it worked out. Now the fronts will be easy..:thumbsup:
     
  14. Nov 25, 2017 at 3:38 PM
    #54
    mpatrick

    mpatrick [OP] Well-Known Member

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    Ya, now that I know how to do right lol thanks for your help! Dealing with the brakes stresses me out lol
     
  15. Nov 25, 2017 at 4:24 PM
    #55
    cory02taco

    cory02taco Well-Known Member

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    That's how we learn my dude.
     
  16. Nov 25, 2017 at 4:31 PM
    #56
    Extra Hard Taco

    Extra Hard Taco Well-Known Member

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    ARB Bumper, SOS sliders, SOS rear bumper, SOS skid plate. OME Lift. Some other stuff.
    Sounds like air in the lines to me.
    :notsure:
     
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  17. Nov 25, 2017 at 4:32 PM
    #57
    mpatrick

    mpatrick [OP] Well-Known Member

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    Ya it's was. I wasn't building up the needed pressure but I was able to figure it all out.
     
  18. Nov 25, 2017 at 5:56 PM
    #58
    Vasqu3zk

    Vasqu3zk Well-Known Member

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    When you do those fronts, like I said pinch em off with vise grips so (not crazy hard) that fluid does leak to much and air doesn’t get into tho lines. Helps a lot with that bleed your gonna do and saves a lot of fluid too. Happy we all could help and get it back to normal!
     
    wilcam47 likes this.
  19. Nov 25, 2017 at 6:13 PM
    #59
    Sandman614

    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    They're easy when you figure out a good system. The 2 person: (pump, pump, pump, pump, HOLDING, crack open, CLOSED, repeat) has been the best way I've done. Glad you got it worked out.
     
    mpatrick[QUOTED][OP] likes this.
  20. Nov 25, 2017 at 10:29 PM
    #60
    mpatrick

    mpatrick [OP] Well-Known Member

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    Ya thanks man! Appreciate the help!
     
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