This adapter serves as an aid when carrying out the PowerFlush treatment and forms the connection between the vehicle and the PowerFlush equipment. Consult the product advice database for help with choosing the right adapter. Kroon-Oil PowerFlush flushes and cleans the entire automatic transmission very rapidly and effectively, and provides it with fresh ATF. Clutch problems that are caused by dirt can be easily resolved. After treatment, the transmission will function and change gear as good as a new one in most cases.