Two problems related to engine belts and pulleys have been reported for the 1997 Ford F-250. The most recently reported issues are listed below.
While driving, the vehicle lost steering and braking power. The assembly that tightened the belt drive around the steel shaft about one inch in diameter had broken off at the time where the truck had no brakes or steering.
Front end misalignment causing vehicle to vibrate and premature wear of tires. In addition, belt tensioner roller makes noise when vehicle is started, and popping noise from cab when driving over uneven surfaces due to cab mounting bolts to frame being loose.