How 4x4 Suspension Works on Dodge RAM Power Wagon
Watch An Off Road Truck Suspension While Moving!
This video provides a visual understanding of what's happening under your car while you drive. What were looking at, starting with the right we have the tire, wheel, and brake caliper. Moving left you can see the spring and damper. Towards the bottom is what Ram calls the Articulink, an additional linkage in the lower control arm which allows for greater articulation of the front axle. Above the axle you can see the track bar or Panhard rod. You want to allow up and down motion of the suspension, but prevent lateral and longitudinal motion. The track bar is used to restrict side to side movement.
Above the track bar you can see the drag link. This is part of the steering linkage and is used to rotate the right wheel, which is then linked by a cross-car-tie-rod to rotate the left wheel. Finally, we have the jounce bumper or bump stop, which is used to prevent contact between the axle and the frame when suspension travel is excessive due to shock impacts.
2015 RAM Power Wagon Review - https://youtu.be/Y3pAdIN6VhY