Flush the transmission in your 2014-2018 Jeep Grand Cherokee 3.0L EcoDiesel with high-quality Transmission Fluid. Using a high-quality fluid helps to prevent the formation of corrosion, rust, and foam while offering smooth gear changes. By decreasing heat that can lead to premature wear, these fluids can help to extend the service life of the transmission. Royal Purple, Hot Shot's Secret, Lucas Oil, and Sun Coast Converters are just some of the manufactures XDP offers.