Weird. I ride along with the test drivers all the time to check for noises and have never experienced what you're talking about? Maybe it just needs door adjustment and its echoing in the cab area making it seem noisy there.
At what speed are we talking about?
PLEASE do not send questions via Private Message, my inbox fills up too quickly. Post questions in the forum as a new thread so that other users can benefit from the answers. Use Private Messages for sensitive information only (VIN, Contact info or things you do not want the public to see).