when you put the LHR top fixtures on, maybe you moved them. The top of the door is hitting the drums or sliding under the header if it isn't all flat. The strut needs to go at the top, even screwing it into the door skin around the crack helps the situation. The crack is not minor, it will...
I fix things like this all the time. What those guys say is true, you don't have a real strut and the opener looks like it is mounted high. But, if the door closes and the opener pushes the door underneath anything, it *****. Adjust the top of the door in and put new trim around the...