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  1. C

    Zero brakes - SOLVED

    No problem! These master cylinders gave me a run for my sanity that’s for sure!
  2. C

    Zero brakes - SOLVED

    Got a 3rd MC and all is good now. Who would have thought I could get 2 bad ones. So incredibly irritating.
  3. C

    Zero brakes - SOLVED

    I will try that today, hopefully it’s something as simple as that
  4. C

    Zero brakes - SOLVED

    Correct
  5. C

    Zero brakes - SOLVED

    The pedal with no lines connected is the same as when I connect the brake lines. I can mash the pedal to the floors with little effort without lines connected and with lines connected. From my understanding, the pedal should become hard after 2-4 pumps when it uses all the stored vacuum from...
  6. C

    Zero brakes - SOLVED

    It’s not firm, as if it’s never depleting the vacuum in the booster. I can easily push the pedal to the floor, when car is on there is 0 resistance. (New booster, MC, rubber brake lines and calipers)
  7. C

    Zero brakes - SOLVED

    Got third master cylinder, bench bleed it until no bubbles when pushing plunger. Installed it. Bypassed abs pump. Still no pedal. With car off it will never get hard. I am completely at a loss.
  8. C

    Zero brakes - SOLVED

    I have gotten 2 master cylinders from autozone. i was thinking of trying again.. maybe 3rd times a charm. After that I am going to remove the abs pump and just completely bypass it. See if that does anything. I have never had this happen before.
  9. C

    Zero brakes - SOLVED

    Passenger side
  10. C

    Zero brakes - SOLVED

    Driver side
  11. C

    Zero brakes - SOLVED

    Bled the brakes again with the ABS pump running, no air coming out only fluid. The pedal never gets hard no matter how many times it’s pumped with the car off. Not loosing any fluid while car is sitting. No front brakes at all but have no air and only fluid when bleeding, rear brakes work when...
  12. C

    Zero brakes - SOLVED

    I want to thank everyone for the responses and apologize for the delay in me answering. The whole family came down with the flu and I honestly didn’t even realize y’all had posted.
  13. C

    Zero brakes - SOLVED

    I will try that tonight, thank you for the response. I’ll update after
  14. C

    Zero brakes - SOLVED

    Wjburken Followed directions from manufacturer when bench bleeding the cylinder . Started with rear passenger tire first , rear driver side , front passenger last front driver side . Yes using the pedal but pedal is soft never pumps up and gets firm . Never let the reservoir run low . When...
  15. C

    Zero brakes - SOLVED

    I have searched and read all over the internet with no answers. I have a 2001 GMC Yukon 2wd. Rear brakes were locking up so decided to replace all calipers and new rubber brakes lines to the calipers. That solved the issue of locked up brakes. Now I have no brakes. Replaced the master...

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