WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC ROUTINE - VIBRATION
Possible Component
Reference/Action
For additional information on driveline vibration, REFER to NOISE, VIBRATION & HARSHNESS