NHTSA recall 99V303000
Power train › Driveline
Kenworth T300 and 2 more
The defect
Vehicle description: heavy duty trucks. the installation of the aluminum steering driveline exceeds the u-joint angles specified by dana, the driveline manufacturer. by exceeding this specification, the u-joint could contact and cause a stress riser in the aluminum drive shaft. this contact could cause in a notch in the aluminum drivement, resulting in a stress riser in the shaft.
The risk
This notch could cause premature failure of the steering driveline, resulting in loss of vehicle control and/or vehicle crash without prior warning.
The remedy
Dealers will replace the aluminum driveline with a steel version.