THE REAR SUSPENSION WAS REPLACED TWO TIMES, AND THE THIRD TIME, THE REAR AXLE FELL ONTO THE STREET. AT THE TIME A PATIENT ALONG WITH PARAMEDIC(S) WERE IN THE REAR. (AMBULANCE TRUCK) THE PARKING BRAKE IS UNSAFE, BECAUSE IT IS AN AUTOMATIC TRANSMISSION, IT HAS TWO NEUTRALS AND NO LOCK-UNSAFE. SCC