Automatic transmission cooling system Subaru Forester
The Subaru Forester automatic transmission uses a passive cooling system consisting of a radiator and a heat exchanger. The radiator is located at the front of the car, and the heat exchanger is located inside the engine radiator.
Radiator
* Air radiator with tubes and fins
* Engine coolant circulates through tubes
* Air passing through the fins cools the coolant
Heat exchanger
*Located inside the engine radiator
* The automatic transmission fluid circulates through the heat exchanger
* Engine coolant circulating through the engine radiator cools the automatic transmission fluid
How does this work:
When the engine is running, engine coolant circulates through the radiator and heat exchanger. Air flowing through the radiator cools the engine coolant. The cooled coolant then enters the heat exchanger, where it cools the automatic transmission fluid. The cooled working fluid is returned to the automatic transmission.
Electronic Transmission Control Unit (TCU)
The TCU monitors the temperature of the automatic transmission fluid. If the temperature gets too high, the TCU can activate an additional radiator located under the vehicle to provide additional cooling.
Important Notes:
* The automatic transmission cooling system should be checked and serviced regularly to ensure proper operation.
* Using low-quality coolant or failing to replace it in a timely manner can damage the cooling system.
* Overheating of the automatic transmission can lead to serious damage and costly repairs.