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Technical Rear brake lockup

Discussion in 'The Hokey Ass Message Board' started by rockable, Feb 9, 2020.

  1. rockable
    Joined: Dec 21, 2009
    Posts: 2,730

    rockable
    ALLIANCE MEMBER

    Well crap. Now that I have the rears working as they should, it looks like i will have to reinstall the residual valve I took out while trying to fix the brake drag problem I had. I was under the impression that the combo valve had residual pressure built in.

    Oh well, all should be right when I'm done.
     
    Last edited: Feb 15, 2020
  2. rockable
    Joined: Dec 21, 2009
    Posts: 2,730

    rockable
    ALLIANCE MEMBER

    Jesus. This got crazy. After reinstalling the residual valves, I still didn't have a good pedal and my rear brakes were getting up to 250 while the front rotors were a cool85 degrees. So, I decided that the master cylinder must be bad and changed it out. Still had the same problem.

    Today, I replaced the darned combination valve and, after very limited road testing (due to weather), it appears that problem is now solved. The front rotors were now at 150 degrees and the drums were about the same. I will further test it this weekend.

    My assumption is that the metering valve was messed up somehow since I could get sufficient fluid flow to bleed my brakes. I hate these valves.
     

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