Patent ID: 6071355
Filing Date: 2000-06-06
Classification: F01M,F02B,F16H

Abstract:
A method for cleaning a transmission of a vehicle having a radiator, said transmission including a transmission fluid pan, transmission cooling lines, and a torque converter, said method comprising the steps of:starting an engine of said vehicle and bringing it to normal operating temperature;charging a predetermined amount of a preselected transmission cleaner into said transmission;driving the vehicle for a predetermined distance and changing gears at preselected times while driving so that all gears of said transmission are used equally during said driving;shutting down the engine;purging transmission fluid from said transmission fluid pan by submerging a trailing end of a first hose in said transmission fluid, connecting a leading end of said first hose into fluid communication with an inlet of a remote charging tank, connecting an outlet of said remote charging tank through a switch means to a source of negative pressure, setting said switch means to cause said transmission fluid to flow into a transmission fluid waste tank disposed between said outlet and said source of negative pressure;removing said trailing end of said first hose from said transmission fluid pan;disconnecting a transmission cooling line from a preselected port of said radiator;placing said trailing end of said first hose into fluid communication with said transmission cooling line at said preselected port while maintaining said leading end of said first hose in fluid communication with said inlet of said remote charging tank;vacuuming transmission fluid from said transmission cooling line; andreattaching said transmission cooling line;whereby all transmission fluid is removed from said transmission cooling lines; andwhereby most of said transmission fluid is removed from said torque converter.