bled the brakes and still no pedal - JeepForum.com
 
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post #1 of 10 Old 09-22-2008, 04:00 PM Thread Starter
mad_skillz
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bled the brakes and still no pedal

i just got done bleeding the crap out of the brakes.now it spits a nice stream of fluid.
but i still have a weak pedal with very little brakes.
i pumped the brakes untill they got hard when i had the jeep started and then i pressed the brakes and it stopped perfect.
but i had to pump them untill they where hard.if my calipers are shot could it be causing this?
or what else could this be.i bled the brake good.
what about that brake fluid sensor.could that do anything like this if it is bad?

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post #2 of 10 Old 09-22-2008, 04:26 PM
Turbonut
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Leak in system. A few weeks ago a friend of mine put a MC on his van as he said he had no leaks and thought it was the MC. Bleed the brakes, hard pedal that slowly went away. Found a leak in the metal line.
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post #3 of 10 Old 09-22-2008, 04:26 PM
-Joe-
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How did you bleed them?

Are you having to add fluid?

- Joe -

'95 Jeep Grand Cherokee Laredo I6 4.0L
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post #4 of 10 Old 09-22-2008, 05:26 PM Thread Starter
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i used one of those bleeder hand pump machines.the advance auto loaner tool one.and after that i even tried to bleed them with a friend and all i got was a nice stream of brake fluid from all wheels.
i dont think i am losing fluid.
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post #5 of 10 Old 09-22-2008, 06:27 PM
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First, I would ask why you thought you needed to bleed them. IE did you change the axles out, or did you do something to disconnect the brake lines somewhere? Perhaps you were low and topped it off?

If you have not had to add any fluid then you likely have not done much in the way of trying to get a bubble out of the lines. Further, if you have brake fluid that is older than about (I think) 5+ years then you should consider flushing it out with new stuff anyhow.

I do not know about the calipers, if they would cause this or not. Personally I really want to go with the brake fluid first. When you are parked push on the brakes for a long time and see if you really do have a leak or not...(engine running) good luck to you.
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post #6 of 10 Old 09-22-2008, 06:49 PM
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vaccum leak?
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post #7 of 10 Old 09-22-2008, 07:52 PM Thread Starter
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how would i check for a vacuum leak.and how would i fix it.


thanks
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post #8 of 10 Old 09-24-2008, 04:14 PM Thread Starter
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dont know if this matters but when i press the brake it goes to floor.when i take the vacuum hose off from the booster it has presser.is it supposed to do that?
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post #9 of 10 Old 09-24-2008, 04:15 PM Thread Starter
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also when i have the jeep started and i pump the brake the brake dont come up fast at all.it takes it good al time come up if i try and pump it
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post #10 of 10 Old 09-24-2008, 05:55 PM
chrisbean
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That's a million $ question. Not sure how to test that.Maybe some one here can jump in and tell us how. I just did mine as well, bleed the #$*& out of them till it was clear and i have so-so brakes. When I go to brake they are spongy at first then when I let off and brake again, it's like I have super brakes.A little pressure and they will stop you NOW!
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