Symptom Chart - Transmission Cooling

Condition	Possible Sources	Action
Transmission overheating	System leaks	INSPECT for leaks. REPAIR as necessary.
	Incorrect fluid level	ADJUST fluid to correct level.
	Fluid condition	INSPECT fluid according to instructions under Fluid Condition Check. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55S article.
	Damaged, blocked, reversed, leaking or restricted cooler lines or cooler tubes	INSPECT cooler lines and tubes. REPAIR or flush as necessary.
	Engine concerns causing transmission to overheat	INSPECT engine cooling system. For additional information, REFER to ENGINE COOLING article.
	Excessive towing loads	CHECK gross vehicle weight.
	Incorrect idle or performance	REFER to the Introduction - Gasoline Engines article.