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Unread 05-24-2003, 12:34 PM   #1
rok_toy
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Join Date: Feb 2003
Location: CA
Posts: 59
Brake problem

I finally got that D44 under the front, finished bolting everything up!!

Here's the problem... I went through the brake bleeding process three times.(I've done this a zillion times before)

No air coming out, thought it was done?

I have absolutely no brakes, the pedal goes to the floor. I can't find any leaks, I'm not losing fluid.

I just put a new master on, still nothing!!


Any help................. PLEASE!!

I gotta do some wheeling soon or I'll go insane!!

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1986 CJ-7, 258/T5/Dana300, Dana 44's, 4.89's, ARB's, SOA, Warn8K, high-steer, 37" MTR's, onboard air( york style)...more to come!!
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Unread 05-24-2003, 06:06 PM   #2
jadams68
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1984 CJ7 
 
Join Date: Aug 2002
Location: Downingtown, PA
Posts: 2,898
Sounds to me like the new master cylinder is shot.
If you have no brakes and you're experienced with bleeding them correctly, I'd have to go with the mast. cyl.
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Unread 05-24-2003, 06:24 PM   #3
rok_toy
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Join Date: Feb 2003
Location: CA
Posts: 59
master?

Sounds to me like the new master cylinder is shot.


It did the same thing before I put the new master on!!

Thanks for the tip, but I can't help but think something is screwy somewhere.

The stock master should provide sufficient volume for the chevy calipers, right?


I'm totally stumped!!! Don't even know what else to check.


All new parts:

master cylinder
calipers
pads
lines
rotors...
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1986 CJ-7, 258/T5/Dana300, Dana 44's, 4.89's, ARB's, SOA, Warn8K, high-steer, 37" MTR's, onboard air( york style)...more to come!!
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Unread 05-25-2003, 10:34 AM   #4
rustyCJ
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Join Date: Sep 2002
Location: IL
Posts: 938
the prop valve might being doing this some how, not really sure how it could though. like you i would guess the stock master isnt pusing enough for the chevy calipers.
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Unread 05-26-2003, 03:05 PM   #5
rok_toy
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Join Date: Feb 2003
Location: CA
Posts: 59
Porportioning valve??

I think I narrowed it down to the porportioning valve.

A buddy told me There is some type of safety valve that keeps fluid from going to either end of the brake system, if there's a leak or problem.


He told me the safety valve( inside the porp. valve) has to be returned to the centered position. So the brakes will work properly.



Here's my question:

How so I get the valve reset?

Please let me know if you have any ideas.

Thanks fellow wheelers.
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1986 CJ-7, 258/T5/Dana300, Dana 44's, 4.89's, ARB's, SOA, Warn8K, high-steer, 37" MTR's, onboard air( york style)...more to come!!
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