NHTSA Campaign Id 80V162000; Date: Dec. 10, 1980
1980 Mack R Series
Component: Steering:wheel And Handle Bar
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 1,524
The weld on the upper steering shaft where the female spline connects to the tube assembly may have been incorrectly positioned and actually missed the seam.
The dealer will inspect and, if necessary, replace the affected shaft with one that has been properly welded, at no charge.
Vehicle description: trucks. System: steering; upper steering shaft. Consequences of defect: this condition can cause separation of the steeringshaft assembly, resulting in complete loss of steering, without prior warningand, possibly, an accident.
Date Owners notified by Manufacturer: Jun 8, 1981
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