Symptom Chart

WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

TRANSMISSION COOLING SYMPTOM CHART

Condition	Possible Sources	Action
Transmission overheating	Excessive vehicle or towing loads, severe vehicle use.	REFER to Owner's Guide.
	Incorrect fluid level.	CHECK and, if necessary, ADJUST the fluid to the correct level. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W or AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W .
	Fluid condition.	CHECK fluid condition. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W or AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W .
	Incorrect fluid type.	REFER to SPECIFICATIONS .
	Transmission cooling system damaged, blocked, restricted or installed incorrectly.	CARRY OUT the transmission fluid cooler flow test. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W or AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W .
	System leaks.	REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W or AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W .
	Engine overheating.	REFER to ENGINE COOLING .
	Powertrain control system electrical inputs/outputs, vehicle wiring harnesses, powertrain control module (PCM), torque converter clutch (TCC) solenoid.	CARRY OUT on-board diagnostics. See INTRODUCTION - GASOLINE and/or INTRODUCTION -- 6.0L DIESEL articles , and AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W or AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W .
	Internal transmission concerns.	REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W or AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70W/4R75W .
Fluid leak at transmission in-tank cooler	Transmission fluid cooler-to-fluid cooler fitting.	REFER to the COMPONENT TEST .