Methods for cooling automatic transmission Nissan Almera G15
The Nissan Almera G15 automatic transmission is equipped with several cooling systems that help maintain its operating temperature within the acceptable range.
Automatic transmission internal radiator:
* Inside the automatic transmission there is a small radiator that transfers heat from the transmission oil to the engine coolant.
* Coolant circulates through the internal radiator, cooling the automatic transmission oil.
Transmission oil cooler:
* Outside the car, usually next to the main engine radiator, there is an additional radiator specifically designed for cooling automatic transmission oil.
* Automatic transmission oil circulates through the transmission oil cooler, where it is cooled by the air flow from the cooling system fan.
Thermostatic valve:
* The thermostatic valve regulates oil flow through the transmission oil cooler.
* When the transmission oil temperature rises, the valve opens, allowing more oil to flow through the radiator and cool.
* When the oil temperature drops, the valve closes, restricting the flow of oil through the radiator.
Engine Control Unit (ECU):
* The ECU monitors the operation of the automatic transmission and adjusts its operation depending on the oil temperature.
*If the transmission oil temperature is too high, the ECU may reduce the gear ratio or activate limp mode to prevent transmission damage.
Automatic transmission cooling system maintenance:
To maintain effective cooling of the automatic transmission, it is necessary to regularly service its cooling system:
* Check and, if necessary, replace the engine coolant that circulates through the internal automatic transmission radiator.
* Inspect and clean the transmission oil cooler to ensure proper air flow and heat dissipation.
* Change the automatic transmission oil and filter regularly to remove contaminants and maintain optimal cooling system performance.