Mitsubishi automatic transmission cooling system
The automatic transmission cooling system in Mitsubishi cars is designed to maintain the optimal operating temperature of the transmission. Overheating of the automatic transmission can lead to serious damage such as clutch wear, oil burning and component failure.
Automatic transmission cooling system components:
* Coolant Heat Exchanger: Located in the engine radiator, it consists of a series of tubes and plates through which engine coolant and transmission fluid circulate. The heat exchanger transfers heat from the transmission fluid to the coolant, which is then circulated through the engine.
* Cooling pipes: Connect the heat exchanger to the automatic transmission and circulate transmission fluid through the heat exchanger.
* Transmission Cooling Throttle (if equipped): Regulates the flow of transmission fluid through the heat exchanger. As the transmission fluid temperature rises, the throttle valve opens to increase flow through the heat exchanger and increase cooling.
* Transmission Cooling Thermostat: Automatically regulates transmission fluid temperature by opening or closing to direct fluid flow through the heat exchanger or directly back into the transmission.
Working principle:
* Transmission fluid heats up during automatic transmission operation due to friction and sliding of parts.
* Hot transmission fluid circulates through a heat exchanger where it is cooled by engine coolant.
* Cooled transmission fluid returns to the automatic transmission and absorbs heat from other transmission components.
* This process continues, maintaining the optimal operating temperature of the automatic transmission.
Automatic transmission cooling system maintenance:
To ensure efficient operation of the automatic transmission cooling system, it is necessary to regularly carry out the following preventive measures:
* Replacement of transmission fluid and filter in accordance with the manufacturer’s regulations.
* Check and flush the heat exchanger if necessary.
* Checking the serviceability of the automatic transmission cooling throttle valve (if equipped).
* Check and replace the automatic transmission cooling thermostat in case of malfunction.
Regular maintenance will help extend the life of the automatic transmission and prevent it from overheating and costly repairs.