My 2004 Ford Explorer makes a loud clunk when shifting from park to reverse, what could this be caused by?

Sorry, Readability was unable to parse this page for content.

Source: http://answers.edmunds.com/question-My-2004-Ford-Explorer-makes-loud-clunk-shifting-park-reverse-caused-by-175278.aspx

st louis university mario manningham mario manningham williams syndrome hoya casa de mi padre corned beef and cabbage