NHTSA Campaign Id 94V206000; Date: Oct. 21, 1994
The fastener washers can crack, ultimately resulting in gearbox mounting assembly failure and loss of steering control.
1994 Mack RB; 1994 Mack RD
Component: Steering:gear Box (other Than Rack And Pinion)
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 204
The steering gearbox mounting fasteners were not properly heat treated.
Dealers will replace the suspect washers with new, improved washers.
System: steering; gear box. Vehicle description: heavy duty class 8 trucks. Note: if the vehicle is presented to an authorized dealer on an agreed upon service date and the remedy is not provided free of charge within a reasonable time or the remedy does not correct the defect, please contact mack at 1-800-439-3011. Also, contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.
Date Owners notified by Manufacturer: Feb 1, 1995
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