Differential Electronic Module (DEM): Installation

WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If installing a new DEM, install a new solenoid valve.
Coat the new oil pressure/temperature sensor seal with Volvo transmission oil.
Install the concave side of the washer facing downward.

Fig 1: Identifying Spacer Plate, Solenoid Valve & Oil Pressure/Temperature Sensor

Courtesy of FORD MOTOR CO.

Assemble the DEM as shown.
Install the DEM upper bolt and the DEM in the active on-demand coupling cover. Then install the DEM lower bolt.
- Tighten to 6 N.m (53 lb-in).
Fig 2: Installing DEM Upper Bolts
Courtesy of FORD MOTOR CO.
Connect the DEM electrical connectors.
Verify the fluid level in the DEM.