Originally Posted by BlazingSaddle
...Finally, the guy says he'll go ahead and order the gasket first thing Monday and I can bring my XF in once the gasket arrives...
See this thread on Valve Cover Leak. If this is the area your leak is in, he dosent need to order a gasket. It is just RTV gasket. And you car SHOULD sit until it is cured. 12 - 24 hours. This is a common issue with our cars.
https://www.crossfireforum.org/forum...over-leak.html