3 of 25,867 recalls from Transport Canada and NHTSA.
IN THE EVENT OF A PRIMARY ACCELERATOR CONTROL SPRING FAILURE, THE SECONDARY (BACK-UP) ACCELERATOR CONTROL RETURN SPRING WILL NOT RETURN THE THROTTLE TO THE FULLY CLOSED POSITION, AS REQUIRED BY FMVSS NO. 124, "ACCELERATOR CONTROL SYSTEM."
CONSEQUENCE OF NON-COMPLIANCE: LOSS OF THROTTLE CONTROL COULD RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING.
DEALERS WILL REPLACE THE SECONDARY THROTTLE RETURN SPRING.
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.
THE ACCELERATOR MAY NOT RETURN TO IDLE INCREASING THE RISK OF A VEHICLE CRASH.
DEALERS WILL REPLACE THESE SPRINGS WITH A TORSION SPRING DESIGN.
AS A RESULT OF INHERENT VIBRATION IN THESE ENGINES, THE THROTTLE RETURN SPRINGS CAN FRACTURE.
IF ONE OF THE TWO RETURN SPRINGS FRACTURES WHILE THEVEHICLE IS BEING DRIVEN, A SUBSTANTIAL REDUCTION IN ACCELERATOR PEDAL EFFORTWOULD BE FELT. IF THE SECOND SPRING ALSO FRACTURES, THE THROTTLE WOULD NOTRETURN TO IDLE POSITION AND CAN RESULT IN INCREASED ENGINE SPEED AND THEPOSSIBILITY OF LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
THE THROTTLE RETURN CONTROL SYSTEM WITH THE COIL TORSION SPRING DESIGN WILL BE REPLACED.
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