One problem related to suspension torsion bar has been reported for the 2003 Ford Explorer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Ford Explorer based on all problems reported for the 2003 Explorer.
Rear of vehicle emitted a thumping and popping sound. First thought that rear tire had blown or that rear end had malfunctioned. After regaining control of vehicle and pulling off to shoulder on three wheels and a rotor, determined that the driver's side rear wheel and tire had disappeared. All lugs and nuts were gone. Wheel had departed from vehicle and gone in an unknown direction. Rotor and caliper where still attached to vehicle. Policeman was later able to retrieve wheel and tire from some distance down the highway behind the vehicle. Rim was scored all the way around the circumference of the inside of the rim. I assume that the rim had dropped down onto either the lugs or rotor prior to finding its way out of the fender well. Blessed to be able to talk about this. Ford motor company, there are recurrent problems here. Had rear bearing replaced on same wheel approximately 16 months prior. Suggested repairs around $400. 00 to start for this incident. There may be greater damage and cost because the vehicle rested and dragged upon the rear suspension strut and torsion bar prior to get it stopped and pulled off of the pavement onto the grassy shoulder.