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Home >> Mercury >> 2007 >> Montego Base, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Rear Drive Axle/Differential) >> In-Vehicle Servicing >> Differential Electronic Module (DEM) >> Installation
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Differential Electronic Module (DEM): Installation

WARNING: This page is about a different variant/trim than selected.
    NOTE: If installing a new DEM, install a new solenoid valve.
    NOTE: Coat the new oil pressure/temperature sensor seal with Volvo transmission oil.
    NOTE: Install the concave side of the washer facing downward.
  1. Assemble the DEM as shown.
    Item Part Number Description
    1 - Spacer plate
    2 - Solenoid valve
    3 - Concave washer (faces down)
    4 4B487 Oil pressure/temperature sensor
    2. Fig 1: Assembling DEM
    GF0017338Courtesy of FORD MOTOR CO.
  2. Install the DEM upper bolt and the DEM in the active on-demand coupling cover. Then install the DEM lower bolt.
    • Tighten to 6 Nm (53 lb-in).
    3. Fig 2: Differential Electronic Module (DEM) Bolts
    GF0017336Courtesy of FORD MOTOR CO.
  3. Connect the DEM electrical connectors.
  4. Verify the fluid level in the DEM.
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