Normal operating temperature of automatic transmission coolant
* 80-120°C (176-248°F)
Permissible deviations
*Up to 10°C (18°F) below or above the specified range is considered acceptable.
Causes of automatic transmission coolant overheating
* Faulty automatic transmission thermostat
*Low coolant level
* Clogged automatic transmission cooling radiator
* Faulty automatic transmission coolant pump
* Slipping or sticking of automatic transmission components
Consequences of automatic transmission coolant overheating
* Damage to friction linings and other automatic transmission components
* Accelerated wear of transmission fluid
* Complete breakdown of the automatic transmission
Actions to take if the automatic transmission coolant overheats
* Stop immediately and turn off the engine.
* Check the coolant level and add if necessary.
* Allow the automatic transmission to cool for 30-60 minutes.
* Check the automatic transmission radiator for blockages or damage.
*Consult a qualified mechanic for diagnosis and repair.