Brake problem!?!? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 03-01-2002, 03:22 PM Thread Starter
 
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Brake problem!?!?

Well my right pass side brakes froze up the other day. The caliper froze up. Well i replaced the caliper and put a new(rebuilt) one on. Well, it still feels locked up. I can jack up the tire and barly move it. My brake pedal is also different, as soon as it locked up, my brake pedal raised and now its only a few inches from the seat. Besides those 2 things it feels normal. Anyone know whats up? I have the heavy duty cj7 77 and early 78 brakes.
THanks
Andrew

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post #2 of (permalink) Old 03-01-2002, 03:24 PM
 
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Re: Brake problem!?!?

I had a problem with that
It turned out they used some piece of crap spring and the brakes were locked most of the time.
Make sure the pedal returns all the way up.

78 CJ7
Spring over 33's
4.3L V6, TH350
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post #3 of (permalink) Old 03-01-2002, 03:30 PM Thread Starter
 
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Re: Brake problem!?!?

no no no, the brake pedal comes way to far up, it almost hits the seat. I dont know if the brakes being locked and the pedal coming up are related or not, but they happened at the same time. THanks
ANdrew

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post #4 of (permalink) Old 03-01-2002, 03:36 PM
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Re: Brake problem!?!?

This is kind of a dumb question but, I don't know if '78 Jeeps had disk brakes. So, are we talking about a disk brake problem or drum brakes?

Ralph...

post #5 of (permalink) Old 03-01-2002, 03:37 PM Thread Starter
 
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Re: Brake problem!?!?

discs. my 78 has the heavy duty disc brakes stuff up front.
Andrew

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post #6 of (permalink) Old 03-01-2002, 03:43 PM
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Re: Brake problem!?!?

Well, there's not much to go wrong with a caliper. The hydraulics push the piston out and the piston moves the inside pad and the caliper moves to do the outside pad. The pads aren't tight in the caliper are they? Can you force the caliper piston in? If it's like my 88YJ, there are springs that sort of position the disk pads. I assume these are in place correctly?

Ralph...

post #7 of (permalink) Old 03-01-2002, 03:44 PM Thread Starter
 
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Re: Brake problem!?!?

guess it would also help to know i have manual brakes. and no leaks

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post #8 of (permalink) Old 03-01-2002, 03:46 PM Thread Starter
 
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Re: Brake problem!?!?

well the old caliper i couldnt force the piston in. this one i havent tried. And the pads are in place and there is like a little cli[p spring that holds it in place. Could this have anything to do with the master cylinder or anything? thanks
ANdrew

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post #9 of (permalink) Old 03-01-2002, 03:55 PM
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Re: Brake problem!?!?

Manual or power, the operation of the caliper is the same. Have you tried what I said? If the caliper is a rebuild, the piston could be bad. Try moving it manually. Also, are you sure only the one side seizes.

Ralph...

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post #10 of (permalink) Old 03-01-2002, 03:59 PM
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Re: Brake problem!?!?

I wouldn't think the master cylinder would affect just one brake. That's why I asked if the other brake seized as well. Maybe you should check the other side.

Ralph...

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