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Old 04-19-2010, 05:13 PM   #1
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Abs ???

Does it have it own fluid holder?
Does it work with vacume hose and fluid or
just air?
Does it use the brake master cyl?

I have a big leak but master is still full
I have to give it a small pump then brakes
are strong.

Thanks for any thoughts

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Old 04-20-2010, 06:21 AM   #2
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What year and model Jeep and a big leak where???
Pics would help as well to get an idea and determine the issue.

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Old 04-20-2010, 06:35 AM   #3
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The abs system is part of the over all brake system and uses the same fluid. If the abs is not working, you still have brakes, just with out the abs part. Find the leak first. Then it sounds like your going to need to have the system bleed of air.
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Old 04-20-2010, 08:45 AM   #4
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Rats, I thought this was going to be about stomach muscles and workouts !!

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Old 04-20-2010, 09:20 AM   #5
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94 YJ Sahara

I thought it was the MC but its dry that high up
The leak looks like its on the firewallish
Just a guess its a brakeline around the firewall
I added brake fluid today,It was pouring out just behind the wheel well

I dont brake hard enough to know if the abs is working
but assume it is .


Sorry jimbo wrong site keep looking
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Old 04-20-2010, 10:02 AM   #6
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No problemo and I'll try and find out what a "FIREWALLISH" is too


Quote:
Originally Posted by birdhunter View Post
94 YJ Sahara

I thought it was the MC but its dry that high up
The leak looks like its on the firewallish
Just a guess its a brakeline around the firewall
I added brake fluid today,It was pouring out just behind the wheel well

I dont brake hard enough to know if the abs is working
but assume it is .


Sorry jimbo wrong site keep looking
Hope you find that leak, sometimes the brake lines can loosen a bit, at the Master cyl. because of vibration, there's a lot of pressure on that sys when you hit the brakes, so a little leak, makes for a BIG LEAK !!

Good kuck

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Old 04-20-2010, 10:10 AM   #7
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Find the wet spot.

If that doesn't work, prop hood up and have someone stand on the brake pedal....look/feel/listen for fluid spraying out.

and just for clarification - ABS doesn't use air. Air+ hydraulic brakes= bad news.

is it wet on the brake booster? (where the master cyl bolts to the jeep)...touch the bottom of this meeting place. if that's wet replace the MC.

once you find the leak and repair it wash everything down. Brake fluid is bad for paint. it likes to remove it.

DO NOT mess with the lines w/o the proper wrenches. stripping those little bastards is easy to do. use a good quality line wrench
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Old 04-20-2010, 10:59 AM   #8
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"find that wet spot"



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Old 04-20-2010, 11:32 AM   #9
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ABS is computer controlled braking. If it senses a wheel locking up it will release the braking pressure on the wheel. It's not a separate braking system.
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Old 04-20-2010, 02:56 PM   #10
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Quote:
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"find that wet spot"



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Old 04-20-2010, 03:13 PM   #11
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Hey now--What??


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Hey now.

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Old 04-20-2010, 04:22 PM   #12
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The leak is on the ABS unit
can I just by-pass the unit

Has anyone done this?

It has two hoses coming from the MC going to
the ABS Unit.
I think I could just plug those off??


Thanks I Found the wet spot Ha
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Old 04-20-2010, 05:36 PM   #13
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Don't bypass it. insurance/warranty??/ECM codes--

Unless someone is that familiar with the ABS sys units, it may be dealer time !!

Good luck

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Old 04-21-2010, 09:35 AM   #14
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IF the leak is indeed a bad unit (I"ve seen the units fail, but leaking unit is strange to me)

Anywho. I would advise you not to bypass it. Call daveysjeep.com and see what one will run, then see if autozone etc carries them...I don't want to know how much a new one is from a dealer. (the last one I bought was a few years back but IIRC it was ~800.00...)

Personally I do not think ABS is a necessity, if you know how to drive. BUT most people can't drive, so its a good thing. I say take it to a reputable brake shop for an estimate....
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Old 04-21-2010, 10:12 AM   #15
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Quote:
Originally Posted by mrcarcrazy View Post
IF the leak is indeed a bad unit (I"ve seen the units fail, but leaking unit is strange to me)

Anywho. I would advise you not to bypass it. Call daveysjeep.com and see what one will run, then see if autozone etc carries them...I don't want to know how much a new one is from a dealer. (the last one I bought was a few years back but IIRC it was ~800.00...)

Personally I do not think ABS is a necessity, if you know how to drive. BUT most people can't drive, so its a good thing. I say take it to a reputable brake shop for an estimate....
Ya
There is so much fluid all over its hard to tell if its the
unit or just one of the lines.
I will get in there dry up/clean as much as I can


Thanks again

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