Quote Originally Posted by Tone
Try using the search function and you'll find you to adjust the lock striker to hold the door better.
That was my first culprit, I played with that for a day and got the door from very loose to too tight with no change in noise behavior. I've even closed a rag in the door to jam it tight and still the noise is there. So it makes me think it's not the door itself moving around. I'll play with it a bit more...