The MotorVac TransTech IV combines both inline and dipstick capabilities allowing for the two most common methods of ATF exchange from a single machine. The conventional ATF exchange method of inline exchange provides an effective transmission flush by connecting directly to the transmission cooler lines. New fluid flows through the transmission as old fluid is directed into the TransTech IV waste tank in a 1-to-1 ratio. Vehicle specific adapters are included for a perfect fit meaning less mess and zero waste. The TransTech IV also features a convenient dipstick option that allows an effective ATF exchange through the transmission dipstick tube. This useful alternative is suitable when cooler lines are corroded or difficult to access.