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Brake bleeding problem

Discussion in 'General Tech and Maintenance' started by Korax, Jul 25, 2010.

  1. Korax

    Korax New Member

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    So, I did a rear brake swap on my ED 3dr. Here is the list of work I did. The rear trailing arms are from a 93 si.

    Reman DA Integra brake booster
    New DA Integra master cyl
    New 93 Si rear calipers
    New rotors/pads
    40/40 valve, very clean
    SS lines all around
    New OEM brake line from prop valve to front drivers side wheel well. It was brittle and I broke it putting on the stainless line.

    I bench bled the the master cyl properly. Hooked up the two lines it came with and used my hand vacuum bleeder. Pushed the pedal and bubbles came out.. I repeated until it stop pushing air out. I hooked up the two lines that went to the the prop valve and starting bleeding the lines from the passenger front, driver front, passenger rear, driver rear. When I did the first two there was a decent amount of fluid that came out but there were still a lot of bubbles. When I moved to the back almost nothing came out. I got some fluid but it was taking a really long time. When I moved back to the front it was pretty much the same as the back. I was hardly getting fluid anymore. I kept going around and still getting pretty much nothing. I never let the fluid go below low on the res. The lines are all tight, the hose from the bleeder seals well. I have the lid on the res. Ideas? Maybe I'm missing something stupid or doing something wrong.. I have never had this much trouble doing this.. but I have never had so much air in the system either.
     
  2. B16RacerN2NR

    B16RacerN2NR Working Hard VIP

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    Inspect the prop valve. It sounds to me like it's either faulty or it's one from an ABS vehicle. You should be using a non-abs prop valve BTW...

    Redo the bleeding again but this time start furthest from the wheel from the master cylinder and work your way to the closest. This isn't a must but it's usually the rule of thumb method. Try it out, it may help.
     
  3. Korax

    Korax New Member

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    I'm gonna work on this again tomorrow morning. How can you tell if it is an ABS or non ABS valve? I would have assumed as much seeing how you don't use ABS booster/master cyl either, though I didn't know there could be a dif in valves. My 40/40 looks exactly like the one I removed other than the "40/40" stamp or w/e is on it.
     
  4. B16RacerN2NR

    B16RacerN2NR Working Hard VIP

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    Honestly, I don't know how to tell. All the ones i've gotten, I took off the cars myself and verified that the car didn't have abs.

    There may not be a difference but it's worth taking a look at to help narrow down your problem.
     
  5. Korax

    Korax New Member

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    Sorry, I forgot to post the other day. This issue is resolved. It must have been the master cyl. I ended up taking it back off and bench bled it again. Pedal is retarded stiff now and no air in the lines.
     
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