My brother-in-law has a Fusion with 215k miles. He bought it used at a good price, but the transmission made a lot of noise between 2nd and 3rd gear. I pumped out about 5 quarts through the dipstick tube, and replaced it with Castrol Import MV fluid. I also added LubeGard Shudder Fix, and it was almost gone. I know Ford specs Mercon LV, but would Valvoline Import work? This transmission came with T-IV from the factory.