I pulled into parking space, turned the wheels to the left and came to a complete stop. When I put the gear in park and let of the brake I heard a loud pop coming from the passenger's side. The noise was so loud, people walking by looked down at the front of my truck. I got out and looked around and didn't notice anything wrong. When I got home, I put the truck in the air, checked everything that could have possibility cause that sound and couldn't find anything wrong or duplicate the sound. This occurred a week ago, the truck drives ok and the sound hasn't happened again. Any ideas on what this could have been, the front end is tight and no leaking grease from the CV axle.