Specs: Trans Tune, Notes: Cleans and lubricates valve bodies, shift actuators solenoids, Controls moisture, Dissolves and liquefies harmful gum and varnish buildup in fluid, Helps fluid systems work smoother and last longer, Helps restore shift quality by cleaning sticky varnish from valve bodies shift solenoids, Safe for conventional and synthetic fluids, Safe in most types of automatic transmission fluid, hydraulics, or power steering fluid systems .