Motor Electronics Coolant Expansion Tank

WARNING: This page is about a different car, the 2010 Mercury Milan and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Motor Electronics Coolant Expansion Tank Replacement Components With Torque Specifications

Courtesy of FORD MOTOR CO.

PART NUMBER REFERENCE TABLE

Item	Part Number	Description
1	W505424	Motor Electronics Cooling System (MECS) coolant expansion tank bolt
2	W701152	MECS coolant expansion tank nut
3	W701152	MECS coolant expansion tank
4	8C045	MECS coolant expansion tank outlet hose

Drain the Motor Electronics Cooling System (MECS). For additional information, refer to MOTOR ELECTRONICS COOLING SYSTEM DRAINING AND FILLING .
Remove the nut and the bolt and position the MECS coolant expansion tank aside.
- To install, tighten to 8 Nm (71 lb-in).
Fig 2: Identifying Motor Electronic Cooling Systems (MECS) Nut & Bolt
Courtesy of FORD MOTOR CO.
Compress the constant tension clamp and remove the MECS hose from the coolant expansion tank.

Fig 3: Locating Constant Tension Clamp
Courtesy of FORD MOTOR CO.
To install, reverse the removal procedure.