SOLENOID, Multiple Displacement: Description: Description
WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
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.