Motor Electronics Cooling System (MECS) 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: MECS Expansion Tank Replacement Components With Torque Specifications
Courtesy of FORD MOTOR CO.
ITEM DESCRIPTION
Item
Part Number
Description
1
W701152
Motor Electronics Cooling System (MECS) coolant expansion tank nut