2022 Ford F-550 SD Suspension Problems

“I was driving about 57 mph headed NW on I270 in the north Denver metro area. I went over a bridge abutment and the vehicle started shaking violently in the front end. I let off the gas but the extreme vibration/shaking continued until I slowed down to around 20 mph. I thought I had lost something in the front end. Then it happened again when I was driving between I70 and US 50 in western Colorado. …”

“Ford Motor Company has had a known issue with the truck frames cracking on the F-550 chassis. They acknowledged it by doing a recall, which either replaced or repaired the chassis frame or installed reinforcement braces if no cracks were visible. The recall expired in September of 2023. In October 2023 we noticed a crack on the frame just outside the recall reinforcement brace that Ford-certified technicians installed. We found another in November (reinforcement brace installed) and another in January (with Ford's new and improved frame produced due to a recall issue). …”

“at speeds starting 40 mph the Ford 550 tends to sway and require steering changes. This is a fire truck Chassie and when weighed on certified scales it is in the required specification range. The Ford dealer says not their problem. The builder of the fire body keeps asking for more information on tires and weighing the truck.”