CONSUMER WAS DRIVING APPLYING THE BRAKE PEDAL WENT TO THE FLOOR AND REAR ENDED THE CAR IN FRONT. TT VEHICLE HAD BEEN TO DEALER PRIOR TO ACCIDENT REGARDING BRAKE PROBLEMS, DEALER HAD RESURFACED REAR DRUMS, SANDED LINGINGS, AND REPLACED FRONT BRAKE PADS. ENGINE REVS TO 1500 RPMS AFTER SITTING 20 TO 25 MINUTES, ENGINE RUNS ROUGH. SEAT BELTS DO NOT ALWAYS RETRACT. TRANSMISSION SHIFTS HARD. WHEN AIR CONDITIONER IS ON MEDIUM OR HIGH, VEHICLE'S ENGINE REVS TO 2500 RPMS ON ACCELERATION FROM A STOP. *SLC