- radiator fan motor
- An electrically operated motor responsible for driving the radiator fan. An electric motor allows much more freedom in radiator location and engine bay design and permits aftercooling of the engine with the engine switched off: most engines mounted crosswise at the front (as on most front-wheel-drive subcompacts) use electric radiator fans which also lead to reduced power losses, since the vehicle's engine is not also required to drive the radiator fan also. The problem with them, however, is that even with the engine off, the fan may start up unexpectedly for the person inspecting the engine bay.
Dictionary of automotive terms. 2015.
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