I did a drain and fill yesterday and the fluid was black like oil...last summer i had it flushed..so do I do another drain and fill today or how often do I do this?? I looked and searched too...a little advice would be helpful
Thanks
Old on left...new on right


1998.5 SVT contour #5979 3L 1995 Mercury Mystique 2.5L auto, all ghetto fo sho