I have a 2000 Dodge Ram, 3/4 T, 4 x 4. I tow a 29' 5th wheel. When getting off the accelerator or accelerating from a slowdown, I feel a bouncing that seems to be the drive train. Any suggestions? I have checked the hitch, the shocks, and the driveline. and found nothing abnormal. Thanks!

 

mine does it when I let off the gas quickly, but it only bounces one or twice depending on gear. if you have a cummins it would just be from the engine and the "slamming" effect from the sudden absence of torque that was being placed on the frame and the rest of the truck.