An automatic transmission functions harder when driving or even lugging heavy bunches in rugged circumstances, so it gets hotter than usual. Severe warmth is dangerous to your transmission, and if you frequently use your motor vehicle for pulling or transporting tons, and/or drive in rugged situations like sloping landscapes or mountainous, unpaved streets, an aftermarket transmission cooler might be a good suggestion. A transmission colder helps the transmission remain trendy, also when working read more from here challenging than ordinary, which in turn allows you receive the most ideal functionality as well as lengthy life out of it.