PULLING INTO DRIVEWAY AT MY BROTHER'S HOUSE AND BRAKE LINE RUSTED THROUGH CAUSING MY TO ON THIS DOWNHILL GRADE RUN INTO ANOTHER VEHICLE AT HIS HOUSE. DAMAGED THE BUMPER AND GRILL ON MY TRUCK AND HIS BUMPER AND HOOD OF HIS CAR IN AN OLDS ALERO. REPLACING ALL BRAKE LINES WITH STAINLESS STEEL AND NOT REPAIRING THE DAMAGED PARTS DUE TO GM BEING CHEAP ON SUCH A VITAL PART.