Steering Gear Box problems of the 1998 Dodge Ram 1500

We started to have problems with the van since it was purchased, we went back to the dealer rigth after we noticed a few problems with the van, such as car pulling to the rigth and a loud thump sound coming from the rigth rear side every time we pass those speed bumps. And when they inspected the van they (the dealer technicians), told me that a shock absorver needed to be replace and alignment was needed as well. After this two things were done, everything went down the hill. . . . When I drove home the van I noticed that van was pulling still to the rigth and a noise was coming from the left front suspension when braking, is more like a cracking noise, I'll mention that this was't happening all the time, but the pulling to the rigth was. We went back with them, they aligned again. . . But, this time the van was not pulling to the rigth but to the left instead, this happend when driving straigth or when braking as well, we went back to the same dealer, but after some attempsof fixing this problem and a very unpleasent experiences with their (customer representaives) at desplaines Dodge dealer, not to try again wih them, we contacted Chrysler representatives, and told them about the very dumb comment the customer representative of desplaines Dodge dealer, that they suggested to take the van to a 5 stars shop the comment the customer representative made was (that the van was pulling to the rigth because it was a safety feature build in the van to prevent people wander to the to the left in case the fell sleep, this was a very dumb thing to said. So finally we went to that 5 stars dealer, and a (big) inprovement was achieve, the van was pulling less but on this occasion instead of pulling to rigth it started to pull to the left and the steering wheel was not straight, it was croocked to the left and before was to the right. I noticed more play on the steering wheel. I'll mention that ever since we have this van in our possession the steering wheel never th.