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2000 Jeep Cherokee Sport has brake pads that won't release after pressure removed from pedal... I think?!?

I just replaced the calipers, pads, and rotars in my 2000 jeep cherokee sport because I let my son drive the rig for a while and without me knowing he ground the rotar down to the thinnest I had previously ever seen and consequently melted the seal off the caliper from the heat! Needless to say I replaced both the passenger side assemly and the driver side assembly but after completing the job (including bleeding the brakes ) upon going to move it out of the driveway to test the new stoppers I realzed the car wouldn't move?! So I gassed it a little bit and the front two wheels were litereally being dragged by the back two across the ground without moving at all! It seemed as though the calipers were keeping the pads clamped to the rotars and not disengaging when pressure was removed from the pedal. Is this a master cylinder issue? Are the calipers I bought (which could be rebuilt) malfunctioning? What is your suggestion?

Update:

Turns out this year of Jeep Cherokee sport has 2 different size rotars that are supposed to fit. The folks at the local schucks just called tails and flipped heads claiming, " the only way to know which one fits is through trial and error." either way the rotars I needed happened to be 40 bucks more each but the lady had me out the door for 20 extra total and I was on the road within 10 minutes of arriving home. Thank you to all who responded, you can look foward to my responses to your inquiries.

5 Answers

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  • 1 decade ago
    Favorite Answer

    It could be your stability program acting up if the alignment is not right it will lock up. Have it checked by an official dealer. I am not discounting the faulty calipers and the master cylinder. You have done all the right things.

  • 1 decade ago

    Easy way to tell. Open the bleeder on the caliper to release the pressure. If it does release after that, you need a new brake hose. Now the brake hose is different from the brake like. The brake hose is the ruber hose that connects the line to the caliper. They clog up with debris and wont release the pressure. If it doesnt release, take the calipers back and get new ones.

  • 1 decade ago

    Will It move if you bleed the brakes again? If so sounds to me like you have a plugged return in your master cylinder, replace it with a rebuilt on,

  • ?
    Lv 4
    4 years ago

    i'm guessing which you probable have a rock caught in there, attempt using the Jeep backwards for slightly, and on an identical time persist with brakes. this might desire to dislodge it. (whilst doing this the grinding might seem to get worst first before it gets better)feels like small project.

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  • Check the caliper slides. Maybe they are stuck.

    Source(s): Me
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