| 摘要 |
The invention relates to an engine coolant changing apparatus for changing an engine coolant such as LLC (long- life coolant) in an engine coolant path containing a radiator, comprising coolant storing means possessing a pressure action port and a liquid inlet and outlet, detaching means to be attached or detached to or from a filler port of a radiator, communicating means for communicating between the liquid inlet and outlet and the detaching means, and pressure action means for applying a negative pressure to the pressure action port to overheat the coolant to a low temperature by driving an engine when discharging the coolant from an engine coolant system, and applying a positive pressure to the pressure action port when feeding a fresh liquid, so that the coolant can be changed promptly in a short time, without requiring manipulation of radiator drain cock or jack-up of the vehicle.
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