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Old 06-06-2013, 12:10 PM
 
Location: NoVa
18,431 posts, read 34,345,842 times
Reputation: 19814

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I have a 98 Jeep Cherokee Sport and the brakes have been replaced. Rotors, caliper, etc.

I know the thing is old. Sometimes when I stop it acts like it doesn't want to stop, and I can be going pretty slow. Under 10 mph. It makes a sound like I am slamming on the brakes and skidding going 60 mph all of a sudden.

The jeep pulls to the right. I can be going straight and the back end will come around on the right and I will be almost sideways. As though the left front wheel is holding on and the rest of it is swinging around.

This is a very scary thing when this happens. It just happened the end of last month and I did not hit the person in front of me but I came pretty close. They stopped suddenly and I was going pretty slow and my Jeep should not have reacted that way. Of course the people in the lane next to me could have also been hit but they were not. They did scream and yell and cuss at me as they were going by.

We dropped it off at the dealer last Friday and they have had it ever since and have tried to reproduce what happened but could not. Of course it does not happen all the time, but sometimes.


My Jeep has approx 130k miles on it.
Does anyone know what this is?
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Old 06-06-2013, 12:15 PM
 
2,341 posts, read 12,037,754 times
Reputation: 2040
Sounds like a problem in the rear brake cylinders.
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Old 06-06-2013, 12:17 PM
 
Location: NoVa
18,431 posts, read 34,345,842 times
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Quote:
Originally Posted by GarageLogic View Post
Sounds like a problem in the rear brake cylinders.
Thanks. I think they mentioned that when we dropped it off but not sure that they looked at them at all.

I will mention it to my SO and he can pit it up on the lift and take a peek...... He loves my Jeep......(not so much..... =/ )
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Old 06-06-2013, 12:53 PM
 
2,341 posts, read 12,037,754 times
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Quote:
Originally Posted by Pikantari View Post
Thanks. I think they mentioned that when we dropped it off but not sure that they looked at them at all.

I will mention it to my SO and he can pit it up on the lift and take a peek...... He loves my Jeep......(not so much..... =/ )
I'm thinking it's possible that one side or the other is sticking - or, the cylinder not releasing. The way to tell is if, when you get it apart, one of the sets of brake shoes is much thinner than the other.
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Old 06-06-2013, 01:01 PM
 
Location: NoVa
18,431 posts, read 34,345,842 times
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Quote:
Originally Posted by GarageLogic View Post
I'm thinking it's possible that one side or the other is sticking - or, the cylinder not releasing. The way to tell is if, when you get it apart, one of the sets of brake shoes is much thinner than the other.
Thank you. That is the only thing he didn't mess with. It is pretty scary when it happens.....
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Old 06-08-2013, 11:23 AM
 
Location: Log "cabin" west of Bangor
7,058 posts, read 9,074,602 times
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My wife has a '96 Cherokee Sport, it does the same thing.

Here's what the problem was/is:

Power steering hose was leaking and spraying on the left front rotor, causing the RF rotor to be doing the brunt of the work because the LF was lubed with the oil. The RF rotor warped slightly (probably from overheating) and now it 'grabs'. The problem is not so much evident as long as everything is dry, but if there is the least bit of moisture it becomes a serious problem.

Check your RF rotor for warpage, and your PS pump/lines for leakage. Because your problem sounds so severe, I'd suggest that you check the rear brakes too, because it seems like they aren't doing much for you either. The rears may need adjustment and/or new contact surfaces.
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Old 06-08-2013, 04:18 PM
 
Location: Windsor, Ontario, Canada
11,222 posts, read 16,419,497 times
Reputation: 13536
If you can't fix it Pikantari, you can send it to me and I'll "get rid of it" for you, free of charge.

I will in no way be keeping it for myself.
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Old 06-08-2013, 05:10 PM
 
Location: NoVa
18,431 posts, read 34,345,842 times
Reputation: 19814
Quote:
Originally Posted by Zymer View Post
My wife has a '96 Cherokee Sport, it does the same thing.

Here's what the problem was/is:

Power steering hose was leaking and spraying on the left front rotor, causing the RF rotor to be doing the brunt of the work because the LF was lubed with the oil. The RF rotor warped slightly (probably from overheating) and now it 'grabs'. The problem is not so much evident as long as everything is dry, but if there is the least bit of moisture it becomes a serious problem.

Check your RF rotor for warpage, and your PS pump/lines for leakage. Because your problem sounds so severe, I'd suggest that you check the rear brakes too, because it seems like they aren't doing much for you either. The rears may need adjustment and/or new contact surfaces.
Thanks a bunch, Zymer. My PS hose actually IS leaking. SO says he will get it up on the lift next weekend and look at it.

How is your wifes Jeep doing now? Once fixed is it fine, or does it seem to be a reoccurring problem?
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Old 06-08-2013, 05:11 PM
 
Location: NoVa
18,431 posts, read 34,345,842 times
Reputation: 19814
Quote:
Originally Posted by Magnatomicflux View Post
If you can't fix it Pikantari, you can send it to me and I'll "get rid of it" for you, free of charge.

I will in no way be keeping it for myself.
Sure thing, Magnatomic.
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Old 06-09-2013, 09:58 AM
 
865 posts, read 2,160,077 times
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As for the locking up, it's pretty common among Cherokee owners. There are a lot of topics on Jeep sites about Cherokee rear brakes locking up the first time. Cheap quality drums build up rust and tend to grab the first few times.

The auto adjusters in my Cherokee are bad and cuase the right side drum to back itself off over 3 -4 months. I usually manaully adjust both rear brakes every 3 months and it's fine.

Finally check the front soft lines. They could be disintegrating from the inside out and there could be pieces of rubber tube clogging it. There's two in the front and one in the rear.

I had a situation last year where, on right turns, the shock would get lose and clamp off the right caliper. So, if I was pulling into a parking spot with my wheel turned right, I could stop, but when I turned the wheel straight, the pedal would go dow nquite a bit!
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