Transmission Cooler Flush

transmission cooler
A heat exchanger similar to a small radiator through which automatic transmission fluid passes and is cooled by airflow.
An auxiliary cooler that is available to provide extra cooling for automatic transmission fluid. Lower temperatures equal longer transmission life.

flush
(of a door) Having a smooth surface, without indented or protruding panels or moldings
blush: turn red, as if in embarrassment or shame; "The girl blushed when a young man whistled as she walked by"
Completely level or even with another surface
flush(p): of a surface exactly even with an adjoining one, forming the same plane; "a door flush with the wall"; "the bottom of the window is flush with the floor"
(of printed text) Not indented or protruding
flower: the period of greatest prosperity or productivity