NHTSA (USA)Critical
1993 FORD B600NHTSA Campaign #97V124000
The official notice
Defect
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS, BUS CHASSIS-COWL, AND BASIC CHASSIS MODELS EQUIPPED WITH CUMMINS 5.9L 160 HORSEPOWER ROTARY INJECTION PUMP DIESEL ENGINES. THE ACCELERATOR RETURN SPRINGS CAN FRACTURE.
Safety Risk
THE ACCELERATOR MAY NOT RETURN TO IDLE INCREASING THE RISK OF A VEHICLE CRASH.
Remedy
DEALERS WILL REPLACE THESE SPRINGS WITH A TORSION SPRING DESIGN.
Updated June 10, 2026