Driveshaft Center Bearing
WARNING: This page is about a different car, the 2008 Mercury Sable, 2008 Ford Taurus X, and 2008 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
With the vehicle in NEUTRAL, position it on a hoist. Refer to JACKING AND LIFTING article. Rotate the driveshaft by hand. If the bearings show signs of roughness or are noisy, install a new driveshaft assembly. Refer to DRIVESHAFT article.