Symptom Chart - Transaxle Cooling

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART - TRANSAXLE COOLING

Condition	Possible Sources	Action
Motor Electronics Cooling System (MECS) overheating	Clogged MECS radiator or hoses	INSPECT the MECS radiator and hoses for damage or plugging.
	Kinked MECS hoses	INSTALL a new MECS radiator or hoses as necessary.
	MECS leaks	INSPECT the MECS radiator and hoses for leaks. REPAIR or INSTALL new components as necessary.
	MECS pump does not operate	CHECK the MECS pump electrical system. GO to PINPOINT TEST A .
	Air in cooling system	Loosen the MECS bleed screw located on the DC/DC converter to bleed any air from the cooling system.
	Radiator cooling fans	CHECK the cooling fans. REFER to INTRODUCTION - GASOLINE MODELS article or INTRODUCTION -- FUSION HYBRID, MILAN HYBRID & MKZ HYBRID article.
	Internal transaxle concerns	REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - ELECTRONICALLY CONTROLLED CONTINUOUSLY VARIABLE TRANSMISSION (ECVT) - FUSION HYBRID, MILAN HYBRID & MKZ HYBRID article.