I just got my first tahoe. First 4wd. First chevy for that matter. When u test drove the tahoe everything seemed great. Now 2 weeks later I have a roaring noise between 65 and 75. Jacked the rear up and spun the wheels. Quiet. Put it in gear and the roaring seems to be coming from more towards the front. Any help is greatly appreciated. 2005 tahoe 4wd previous owner put leveling kit on