I OWN A JEEP GRAND CHEROKEE LIMITED W/ 36,000 MILES BRAKES PULSATE AT 40 MPH AND ALMOST OUT OF CONTROLL @ 55 MPH AND OVER WHEN APPLYING BRAKES. ALMOST SIDE SWIPED A BUS WITH MY CHILD IN CAR TO KEEP IT ON THE ROAD. HAVE RETURNED TO DEALER ( JOHN IRISH AUTO PLAZA SAN RAFAEL CA) JIM GRAVES HAS BEEN VERY UNDERSTANDING. ITS NOT THE DEALER I AM UPSET IT IS WITH CHRYSLER/ DAIMLER!!! THEY HAVE A SERIOUS PROBLEM , ARE THEY WAITING FOR SOMEONE TO DIE!!! THEY REPLACE WITH THE SAME DEFECTIVE ROTORS THEY SHOULD PROVIDE ANOTHER BRAKE ROTOR SYSTEM TO SEE IF IT TAKES CARE OF THE PROBLEM. I HEAR STILLEN HAS SOMETHING THAT MAY WORK. HISTORY: 8181 MILES BRAKES SHIMMY; EXCESSIVE RUN OUT, 9377 MILES REPLACE FRONT ROTORS, 15832 MILES FRONT & REAR HAVE EXCESSIVE RUN OUT RESURFACED F & R ROTORS,21293 MILES SHIMMY EXCESSIVE RUN OUT; REPLACED FRONT CLIPPERS & ROTORS, 26,133 MILES F & R ROTORS HAVE RUN OUT, 28921 MILES VIBRATION F & R ROTORS HAVE EXCESIVE RUN OUT; RESURFACES F & R ROTORS. 29450 NEED REAR BRAKES, 29492 MILES REPLACED REAR BRAKES AND ROTORS. 33101 MILES SHIMMY VIBRATION F & R ROTORS HAVE EXCESSIVE RUN OUT. RESURFACED F & R ROTORS. 36202 MILES VIBRATIONS AGAIN TAKING BACK TO DEALER. MANAGER AGREED THIS IS REALLY BAD! *AK