Other information:
Removal
Remove the camshafts.
Refer to: Camshafts (303-01B Engine - 2.0L EcoBoost (177kW/240PS) – MI4, Removal and Installation).
If the camshafts and valve tappets are to be reused,
make sure they are assembled in their original positions...
System Operation
Principles of Operation
Power Transfer Unit (PTU) Operation
The PTU has four (4) modes of operation: Connected, Connecting,
Disconnected, and Disconnecting. Each mode is commanded by the AWD
module. The power transfer unit contains a reversible DC
motor and two hall effect position sensors...