I don't know about an '07 camelot, but for a '02 Endeavor, it is usually the seam between the front cap and the roof (aluminum in my case). I have to clean and re-seal that seam about every other year. Usually starts right over the door so I can get it re-sealed before it creeps over to the drivers side and leaks on my satellite controls.
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2002 HR Endeavor
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