NHTSA Campaign Id 90V051000; Date: Mar. 16, 1990
Wiper failure during vehicle operation could reduce driver's ability to see the road, and creates a potential for an accident.
1989 Mack DM; 1989 Mack DMM; 1989 Mack R; 1989 Mack RB; 1989 Mack RD; 1989 Mack RM; 1989 Mack RW; 1989 Mack U
Component: Visibility:windshield Wiper/washer:linkages
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 2,350
A tolerance mismatch in the crank assembly of the bosch windshield wiper motor could cause instantaneous separation of the crank from the linkage assembly in the left hand control arm assembly; this would make the system inoperable.
Replace left hand control arm linkage assembly.
System: windshield wiper control arm assembly. Vehicle description: heavy-duty trucks.
Date Owners notified by Manufacturer: May 17, 1991
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