Weak brakes - JeepForum.com
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post #1 of 5 Old 01-22-2013, 10:27 AM Thread Starter
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1992 YJ Wrangler 
Join Date: Jun 2011
Location: Kensington
Posts: 38
Weak brakes

Several months ago the brakes on my Jeep started getting weak where I needed to push harder on the pedal for the same effect. My mechanic quickly fixed it and said the rear brakes just needed to be adjusted. Now, it's started happening again, and I was hoping someone might have some idea why?

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post #2 of 5 Old 01-22-2013, 11:11 AM
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1989 YJ Wrangler 
Join Date: Mar 2009
Location: quechee Vermont
Posts: 4,699
adjust them again. They wear out

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
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post #3 of 5 Old 01-22-2013, 11:21 AM
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Sounds like the booster or MC ORRRRR a soft line is clogging up and not letting fluid pass.
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post #4 of 5 Old 01-22-2013, 12:13 PM
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1993 YJ Wrangler 
Join Date: Jun 2011
Location: Surprise,
Posts: 645
check your brake fluid. is it clear or dark? if it's dark its absorbed too much moisture and MAY need flushed. Brake fluid isnt really compressable, but when it absorbs moisture, it can now compress some creating a spongy or weak brake.

Above suggestions are also good things to check.

93' YJ 2.5L, 4.88's, 8.8, E-Locker & LSD
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post #5 of 5 Old 01-22-2013, 05:19 PM
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1987 YJ Wrangler 
Join Date: Oct 2010
Location: Dawsonville
Posts: 93
Your YJ has rear drums, correct? Is your emergency braking acting similar to the main brake pedal?

If so, then there is a good chance that it is in the rear brakes and not the front.
I would also pull the rear drums off and check that the adjuster lever is stopping them from moving as it should. Maybe the adjusting lever spring has broken?

This will take you to a picture for more in depth look & part info.
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