I actually fractured my left Clavicle playing lacrosse two years ago. To be honest I paid attention to my doctor and trainer by getting enough rest before returning to training both in the weight room and on the field. I was also very stubborn and refused to just be seditary so I introduced weights slowly. I know this is all common sense but like you, I too feel the pressure on my shoulder from time to time with certain exercises.
My clavicle actually pokes up on top of my shoulder a bit. I had to stay away from heavy benching, especially incline and basically eliminated shoulder movements thats werent some sort of raises. From there I reintroduced the pressing movements back into my workout. Good luck and I hope you heal soon.