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New master

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Sterling
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2010/01/23 08:32:14 (permalink)
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New master

i just installed the reconditioned master cylinder.

now i flushed out the brake fluid the one person way (submerged rubber hose in B-fluid while pumping through pedal)

and its stopping the car again. but still spongey?

so yeah just wondering if theres any procedures for new masters?
#1


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    Mickas
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    RE: New master 2010/01/23 08:45:48 (permalink)
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    should have bled the master in a bench vice first.
    #2
    grant
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    RE: New master 2010/01/23 09:03:46 (permalink)
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    Did you replace the wheel cylinders i think you mentioned were playing up on the rear??

    Are the drums round / worn? and the shoes just touching them?

    Does pedal pump up still, hit the skids on grass and see if it all locks up.

    checked or replaced the rubber brake lines?

    escort pedals in general are soft so don't worry too much about it as long as it stops.
    #3

    Gdub
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    RE: New master 2010/01/23 09:15:45 (permalink)
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    Sterling

    Did you follow my suggestion in your previous thread re: handbrake adjustment?

    If the handrake has been adjusted from the cable without the rear brakes having been adjusted properly first the handbrake will feel great but the pedal will be low and feel shizenhaussen.

    You can tell by taking the drums off and looking at how the handbrake levers sit. They should not have tension on the cable pulling the levers forward.
    #4
    Roger Miller
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    RE: New master 2010/01/23 09:53:33 (permalink)
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    quote:
    Originally posted by Sterling

    i just installed the reconditioned master cylinder.

    now i flushed out the brake fluid the one person way (submerged rubber hose in B-fluid while pumping through pedal)

    and its stopping the car again. but still spongey?

    so yeah just wondering if theres any procedures for new masters?

    Chap,
    Go for a drive.

    Then bleed them again.

    Start at left rear, [cause rears are linked]till no bubbles are found.
    Left front and then right front.

    Be prepared to use a full bottle of fluid.

    yep , line must be submerged.

    #5
    Andrew
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    RE: New master 2010/01/23 11:30:01 (permalink)
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    Sterling,

    As everyone else is saying;

    1. Did you replace the dodgey cylinder?
    2. Bleed the braked and be prepared to use a LOT of fluid. DO NOT reuse fluid that has come out (even if it was new). I find the best way is to get someone to pump the pedal while you open and close the bleed nipple (saying on---off---on---off so they know when to push) and keep going until you get no bubbles.
    3. Check your handbrake adjustment.
    4. The pedal may still feel soft even when bled properly, but the brakes should pull the car up quite well. The pedal must not go to the ground if you sit with your foot on it and the car idling.

    Cheers,
    Andrew
    #6

    KIZZA
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    RE: New master 2010/01/23 16:26:41 (permalink)
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    Check the crap linkage set-up from pedal to master for slop/play. This isn't going to give you a spongey pedal but won't be helping your case either. mine was badly worn and the pedal was doing nothing until it was over half way to the floor.
    #7
    Mickas
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    RE: New master 2010/01/23 17:15:51 (permalink)
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    May be you are confusing spongy with excessive pedal travel?? caused by yes those anoying cr@ppy linkage setup.
    #8
    Sterling
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    RE: New master 2010/01/23 21:07:57 (permalink)
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    thanks for the replies guys, ive given them a good bleed as i got the boys around for a drink up tonight, fair bit of air came out.

    did all three, then all 3 again with engine running.

    the pedal is definately still spongey,

    and the handbrake i adjusted again, yes i replaced both rear cyl's pedal has gotten alot better but still shizenhousen compared to real mid life cars.

    ill have a re read of your replies 2moro and ill see what i can do.

    thanks heaps.

    #9
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