Durango 2WD V8-5.7L (2008)
Valve Deactivation Solenoid: Description and Operation
Description
DESCRIPTION
The Multi Displacement System selectively deactivates cylinders 1,4,6, and 7, to improve fuel economy. It has two modes of operation:
-
8 cylinders for acceleration and heavy loads.
-
4 cylinders for cruising and city traffic.
The main components of the Multi Displacement System are:
-
Unique MDS camshaft.
-
Deactivating roller tappets.
-
4 control valves/solenoids.
-
control valve/solenoid wiring harness.
-
oil temp sensor.
