Two problems related to driveshaft have been reported for the 2004 Dodge Dakota. The most recently reported issues are listed below.
My vehicles drive shaft fell off while making a stop at a red light, the pinon nut had come loose. It was towed to a mechanic's shop, my dad came and reattached it. It still made a whirring sound, at first I was on the way to the mechanic for what I though was a pinon seal leak.
Vibrating at speeds greater than 50 mph. Spoke to Dodge reference #15238936 the vehicle continues to vibrate after multiple attempts to repair truck at dealers. Tires balanced and rotated, then tires replaced, brakes replaced, shocks replaced. Swapped rims. Serviced transmission, replaced driveshaft and u joints. Pressure balance the tires. Replaced axel bearings and possibly the axel. Replaced ring gear and pinion and all bearings. Multiple alignments.