One problem related to suspension noise has been reported for the 2003 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Ford F-150 based on all problems reported for the 2003 F-150.
The rear end suspension is going out per the dealership. Vehicle makes a loud humming noise at 50 mph. On 2 separate occasions, while driving on the interstate on a smooth surface road, vehicle made a loud clung noise that felt like the suspension dropped. Dealership has serviced the vehicle 3 times for this issue, and replaced the bearings and other suspension components. A factory engineer also inspected vehicle for this problem and indicated that there' was no solution this issue, and to extend the warranty.