Question about 2000 Jeep Cherokee

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Front brake calipers hanging up

Yeah, everything was changed, and yes it is equipped with abs. I always know when it's going to happen because i feel a **** shutter in the front end. If i speed up, it's like a flat tire. Also, when it happens, the brake pedal is hard. The rest of the time, it feels pretty normal. Between diesel trucks during the day and working on our round track car at night, my husband pretty well has a full schedule. I am glad I dont have to keep bothering him with questions now, Not that i want to bother anybody,mind you. He's just ready to park it and get another one to be honest with you.Thanks for your help so far. I'll talk to you again soon.

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  • jody grainter Sep 10, 2008

    I hope you're right. I just want to get it fixed and be done with it. I'll get my husband to check into everything and let you know how it goes. Thanks again, jody

  • lanibugg Oct 17, 2008

    Help! I just got home (barely) with burning eyes, and smelling of burning 'something'. I have a 1991 Jeep Cherokee 2.5L, 4 cylinder. My front driver side tire was smoking, and it seemed to be coming from the center of the tire - thru the rim. When I pulled into the driveway I kept the car on to see what was going on it smelled and was very smoky (it was at night, so I couldn't see much), and pressed on the brakes it was hard to press down on them.

    What is a brake caliper? Will I need a rotor, brake pads, and everything mentioned above. I guess I'm looking to educate myself so when I take it to a mechanic I don't get completely ripped off. And how much do you think it will be to fix it. Driving with a toddler in the back seat just completely freaked me out.



    Any advise is greatly appreciated.......



    Lani

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  • Master
  • 5,158 Answers

I may be on to something... does that vehicle have a traction control system on it ?

Robert

Posted on Sep 09, 2008

  • 2 more comments 
  • Roberta Smith
    Roberta Smith Sep 09, 2008

    been thinking about some things on this. From experience if a caliper seized to the point where the brake(s) were locked on and it heated up that much.... the rotor will need to be changed. the metal on that rotor from the heat would have made it extremely brittle and subject to cracks. also again the pads would have been severely damaged as well. when you feel the shudder you have mentioned. is that when you apply the brakes as that indicates a warped rotor... most likely from how hot it got.

    at first blush it will need a major brake overhaul... pads, rotors and calipers.

    before that tho i am trying to determine what the underlying cause of the brakes failing in that manner.



    My van has close to 180,000 plus miles on it and i would not consider investing the money to fix a problem like this but the truck you one is still relatively low miles.



    Robert

  • Roberta Smith
    Roberta Smith Sep 09, 2008

    brake pedal being hard (with power brakes) would be an indicator of a failed or failing booster (the proper name escapes me at the moment) the air chamber behind the master cylinder next to the firewall. i would investigate a vacuum leak in either the chamber or a valve leading to it. have your husband hook up a vacuum tester to it and see if it is leaking... then to the valve before the chamber. the kind you use to create a vacuum and watch to see if the vacuum drops.



    Robert

  • Roberta Smith
    Roberta Smith Sep 09, 2008

    I feel i need to expand on why i suspect that problem. if the brakes are partially applied (by choice or not) there is a device in the brake line that proportions more fluid to the front brakes then the rear... i believe the ration is 60/40 front/rear.

    brakes applied even during normal braking do get extremely hot but are usually given a chance to cool. brakes applied while still driving get beyond hot (close to meltdown).

    i believe that the reason it has spread to the other side is that when they first locked on the first side was worn down alot. that side now takes longer to clamp down on the caliper then the side that is now affected.



    Time for your husband to test my idea as i'm not there to do it.



    Robert

  • Roberta Smith
    Roberta Smith Sep 20, 2008

    Jody... i'm interested to know how you made out on this ?





    Robert

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Front brake calipers hanging up


i'll do more research on this tomorrow.
yes there is a valve body
yes it could be the master cylinder
and as odd as it seem both calipers could have failed at the same time. incidentally another issue would be that the brakes locked on. i presume he changed the pads AND the rotor(s).
as i said i'll do more research in the morning on it. i have to change both front rotors and pads on my van on wednesday... might even notice something then that may help you.
You didn't mention if this vehicle has abs brakes... if you have stop you will know whether you have them or not.

actually something else that has occured to me... when you apply the brakes is there any shaking or do you feel a pulsing in the brake pedal ?

Robert

Sep 09, 2008 | 2000 Jeep Cherokee

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