Ford knows about this problem that started with the 2007 vehicles. (Edge, Mariner, Escape, Escape Hybrid, among others). See their problem report TSB 09-21-6. The real problem is that it is not a recall and it is a major nuisance and health hazard. If you turn your fans on all the way you are covered by a cloud of white dust. The repair is extremely labor intensive, to be done by an expert, and costly! I'm waitin for a class action lawsu...
2012 Ford Edge Problem Reports
Newest 2012 Ford Edge Problem Reports
when shifting from park the vehicle has a loud clunk that can be felt by the driver. Took vehicle to dealer. They replaced two speed sensors. Be warned, they will not fix it if there aren't any trouble codes.
A leaking axle shaft seal and / or PTU cover seal can cause transmission (red) or Power Transfer Unit (PTU) (brown) fluid leaks at the axle area. The axle shaft seal and / or PTU cover seal may be leaking and should be replaced as required.