Motor Electronics Coolant Expansion Tank

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.

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

Courtesy of FORD MOTOR CO.

ITEM DESCRIPTION

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 in this service information.
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: Locating MECS Coolant Expansion Tank With Fasteners
  Courtesy of FORD MOTOR CO.
Compress the constant tension clamp and remove the MECS hose from the coolant expansion tank.

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