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Thread: Drum brakes / wheel cylinder swap help

  1. #1
    Join Date
    Mar 2013
    Location
    Portland
    Posts
    1,430

    Default Drum brakes / wheel cylinder swap help

    So I decided to do the rear (drum) brakes today.
    Dana 35's on my '89.
    ... and decided to do all the hardware and the wheel cylinders at the same time

    Pain in the arse vs. Disks!

    AND THE LET DRUM WAS FULL OF GUE (guessing brake fluid and brake dust). WTF!

    So I got it all reassembled, but don't have a brake gauge. I used the drum as a measure pulled it off adjusted and repeat until it had a hint of drag.
    Finished the assembly and tried to bleed the brakes with a hand pump bleeder.
    NO F'ING JOY!
    Drug my kid out to assist. Open valve ~ he pushed the brake. Tightened ~ he released. Repeat a few times. And topped every so often.
    Still no solid flow.
    Re bless the front... solid.

    Gonna tinker more tomorrow or Wed when I get a moment.
    Did the forward and solid stop... backward and solid stop ~ 10 times each way to let the brakes self adjust.

    Since I changed out the wheel cylinders... do I need to bleed it different?
    How do I know the brakes are properly adjusted after all that?
    Be strong when you are weak.
    Be brave when you are afraid.
    Be humble when you are victorious.
    But be a badass everyday!
    . . . . . . . . . . . . . . .

  2. #2
    Join Date
    Sep 2009
    Location
    Chico, CA
    Posts
    29,847

    Default Re: Drum brakes / wheel cylinder swap help

    Nothing special with bleeding new cylinders accept they sometimes take a while to get the air out of them. The self adjusters will adjust as you back up. No way of knowing when they are done
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  3. #3
    Join Date
    Mar 2013
    Location
    Portland
    Posts
    1,430

    Default Re: Drum brakes / wheel cylinder swap help

    Does each wheel adjust independently?

    ... I noticed that after a bit of stop 'n go, there was more room in the resevoir. So I'm gonna check it again every few days.

    Thanks
    Be strong when you are weak.
    Be brave when you are afraid.
    Be humble when you are victorious.
    But be a badass everyday!
    . . . . . . . . . . . . . . .

  4. #4
    Join Date
    Sep 2009
    Location
    Chico, CA
    Posts
    29,847

    Default Re: Drum brakes / wheel cylinder swap help

    Yes independently
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

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