Designed for the service technician, this paper provides a procedural guide to determine suitability for converter reuse. Valuable to governing bodies and agencies as a single source document for establishing standards of repair. Subjects covered are torque converter operation, vehicle road tests, static stall testing and analysis, in vehicle leak tests, bench tests, turbine, stator and end play checks. Pressure checks and converter flushing procedures are also covered in detail. Practices defined will become the standard for the automotive service and repair industry.