Unusual brake issue

[TerriJo]

I have an unusual problem with the brakes on my 2002 jeep Grand Cherokee laredo. The rig will suddenly feel like it's being dragged backwards. This usually happens on warmer days and after it's gone 25 miles or more. When this happens, I can't drive over 35mph due to the violent wobble it develops. When I use the brakes under this condition it REALLY gets to shaking. My boyfriend says this one has him stumped and he's pretty good with cars. The rear brakes are hot when this happens. How do I get it fixed? Help!!!!

 

[mark sr]

A faulty speed sensor can engage the brake but that normally just affects one wheel - which will get hot. But that won't cause a wobble as far as I know.

 

[TerriJo]

A faulty speed sensor can engage the brake but that normally just affects one wheel - which will get hot. But that won't cause a wobble as far as I know.

The wobble is so pronounced, it makes it difficult to control. I drove home the other day for 25 miles at 35 mph on a state highway. . . Not particularly great trip. . . It isn't so bad at 35 but at 40 it's dangerous as heck. Also it does feel like the brakes are on all the time when this happens. U know how when u are at a stop and take ur foot off the brake, the rig will move forward? Well, when this happens, and u take ur foot off the brake, it just sits there. And yes, they get hot. Very. Is it possible the brakes are set wrong somehow?

 

[TerriJo]

The wobble is so pronounced, it makes it difficult to control. I drove home the other day for 25 miles at 35 mph on a state highway. . . Not particularly great trip. . . It isn't so bad at 35 but at 40 it's dangerous as heck. Also it does feel like the brakes are on all the time when this happens. U know how when u are at a stop and take ur foot off the brake, the rig will move forward? Well, when this happens, and u take ur foot off the brake, it just sits there. And yes, they get hot. Very. Is it possible the brakes are set wrong somehow?

Mark sr, would a faulty sensor cause this problem intermittently? Or would rhe sensor just fail all at once? Cuz it isn't happening all the time.

 

[superj]

Check your booster and your master cyclinder. I have had a bad booster cause yhe brakes to slowly engage and act like what you are having trouble with. Snd it can cause your rotors to warp which will give you the shakes when you apply the brakes.