Wj brake problem / abs delete? - JeepForum.com
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post #1 of 13 Old 10-15-2012, 08:55 PM Thread Starter
99RubiconWJ
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Wj brake problem / abs delete?

So I've been having a problem with calipers hanging up one after another, was thinking it could be the abs system? Can i delete the system and run lines straight from master cylinder to brakes? would i have any problems?

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post #2 of 13 Old 10-15-2012, 09:14 PM
billzcat1
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It's not your ABS. It's probably faulty hoses. Running with no ABS means you no longer have the eletronic brake force distribution. That means incorrect static brake bias and an unsafe vehicle.


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post #3 of 13 Old 10-16-2012, 07:27 AM Thread Starter
99RubiconWJ
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i already replaced the rear hoses now the front caliper locked up, seems wierd they keep locking up one after another
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post #4 of 13 Old 04-17-2013, 12:31 AM
damessor92
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how does that mean uneven brake force bias if he uses an adjustable brake proporting valve itll have the same setup as an older car just set the back brakes so their about half as much as the fronts
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post #5 of 13 Old 04-17-2013, 07:20 AM
doityourselfMM
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Have you replaced the front hoses? Rubber hoses do deteriorate, rot, and clog on the inside. When this happens, the high pressure created when you brake is enough to push the piston out. However, when you release the pedal, the clogged hose can retain enough static pressure to keep the pads dragging on the rotors.

Brake hoses are like arteries. They clog, and lose their ability to freely pass fluid.

IMHO ..... Don't screw with the ABS system. Your life may depend on it some day. Fix what is broken. Don't create a massive band-aid, and potentially create more problems.

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i already replaced the rear hoses now the front caliper locked up, seems wierd they keep locking up one after another
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post #6 of 13 Old 07-27-2021, 09:33 AM
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I am having this issue as well. Front-right started dragging so we replaced caliper (+rotor+pads). Now the left-front started dragging about 10 miles later.

Did you end up solving it? Was it the hoses?
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post #7 of 13 Old 07-27-2021, 09:52 AM
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Let me make sure I understand...you only replaced the one right front dragging caliper, then the left caliper started dragging?
I don't mean to be a wise-a55 on this but it seems obvious what to do next, right?

Yes, both sets of front hoses are also suspect in a dragging caliper situation as are 20 year pistons that are pitted or have dirt in the bore, slide pins that are not free and bracket clips that get gummed up.

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post #8 of 13 Old 07-27-2021, 01:10 PM
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Brown_Bessy you should start your own topic, details etc.
Using a old old topic (2012) can be confusing and may not depict your issue.
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post #9 of 13 Old 07-29-2021, 07:41 PM
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WJ60 and snowbuggy like this.

Uphill Slow, Downhill Fast, Tonnage First, Safety Last!
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post #10 of 13 Old 08-01-2021, 01:08 AM
Delta0
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Quote:
Originally Posted by 99RubiconWJ View Post
So I've been having a problem with calipers hanging up one after another, was thinking it could be the abs system? Can i delete the system and run lines straight from master cylinder to brakes? would i have any problems?
In Merry Old England, that might be known as taking a sledgehammer to crack a walnut.

In any event, you are unlikely to solve your problem by taking your ABS out,
In fact, as far as I can see, you'd probably make the problem worse..
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post #11 of 13 Old 08-01-2021, 09:12 AM
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front hoses, major league job on wj

99wj, 150,000 miles
00xj ,189,000 miles
10hummer3,76,000 miles
98xj, 133,000 miles
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post #12 of 13 Old 08-01-2021, 12:35 PM
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Originally Posted by 2oldjeeps View Post
front hoses, major league job on wj
How's that 2old please?
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post #13 of 13 Old 08-02-2021, 06:34 PM
Brown_Bessy
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Quote:
Originally Posted by jtec View Post
Brown_Bessy you should start your own topic, details etc.
Using a old old topic (2012) can be confusing and may not depict your issue.
@jtec - My bad. Will start a new thread next time.

@Double E -- Thanks for the quick reply. I thought that it was strange for both calipers to fail within 10 miles of each other so I was wondering if the failure was upstream in the system. Sounds like that's not likely if I'm reading you correctly.

Update for anyone that reads this trying to troubleshoot the same issue: Replaced the 2nd caliper and have been monitoring surface temp of rotors. So far, so good.. although the older rotor is consistently 20-50 degrees hotter than the new one. It's only been about 20 miles so I will continue to monitor and report back.
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