Symptom Chart

Condition	Possible Sources	Action
Transaxle overheating	Clogged transaxle fluid coolers or lines	INSPECT the transaxle cooler and fluid cooler tubes for damage or plugging. INSTALL a new transaxle cooler or cooler tubes as necessary.
	System leaks	INSPECT transmission fluid cooler and lines for leaks. SERVICE as required.
	Engine overheating	REFER to ENGINE COOLING article.
	Internal transmission concerns	REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 4F50N article.
Coolant in the transaxle	Leak in the in-tank fluid cooler inside the radiator	INSTALL a new radiator. REFER to ENGINE COOLING article.
Automatic transmission fluid in the coolant	Leak in the in-tank fluid cooler inside the radiator	INSTALL a new radiator. REFER to ENGINE COOLING article.
Fluid leak at the transmission in-tank cooler	Transmission fluid cooler-to-fluid cooler fitting	REFER to the Component Test.