Auto Transmission Fluid (ATF) is the lubricant in the transmission gearbox. It serves the important function of making sure the gearbox work properly. The gearbox is highly sensitive to ATF quality. Old and dirty ATF can increase the chance of gearbox getting damaged significantly, and it is an expensive repair. Using the ATF change machine at MSP Lubricant Service to change the ATF will thoroughly change the ATF and allow it to be used for 50,000 km.