1976 cj-5 brakes - JeepForum.com
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post #1 of 3 Old 07-29-2011, 07:57 AM Thread Starter
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1979 CJ7 
Join Date: Dec 2004
Location: Thomasille
Posts: 182
1976 cj-5 brakes

My brake pedal goes all the way to the floor, I noticed that one side of the master cylinder is losing fluid but i cant find the leak, i used to be able to put more fluid in and pump the pedal and it would be ok, now the pedal still goes to the floor, any suggestions?


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post #2 of 3 Old 07-29-2011, 08:33 AM
Corripe Cervisiam
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1985 CJ7 
Join Date: Oct 2005
Posts: 7,008
It sounds like there is air in the system. Try bleeding it and seeing if that improves the pedal. The problem is that if it's leaking enough to let in air, then you might not be able to bleed it successfully.

"I give you a republic, if you can keep it." - Benjamin Franklin
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post #3 of 3 Old 07-29-2011, 08:48 AM
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2012 JK Wrangler 
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Location: Grand Rapids, Michigan
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If there is a leak, you will have to find it if you want your pedal to return to normal and stay that way.
I usually get stuck helping my friends with brakes and recently had to redo everything except the brake booster.
Just look underneath for a wet area of brake line or if your lucky itll get the frame wet too and be easy to see.
Also check the drums to see if its leaking out the cylinder in there.
Then replace whatevers leaking.
If your master cylinder went dry in one of the areas you'll have to bench bleed the master cylinder to get the air out of that, then bleed the lines after that. You can't get the air out of the master cylinder by regular bleeding.

Squishy pedal = air. And if its leaking, thats where the air came from!

°llllll° Money well wasted
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