1989 MACK RD Recalls (3)

Campaign:
90V051000 on 03/27/1990
Component:
Visibility:windshield wiper/washer:linkages
Manufactured:
05/31/1989 - 09/30/1989
Affected:
2,350
Defect:
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.
Consequence:
Wiper failure during vehicle operation could reduce driver's ability to see the road, and creates a potential for an accident.
Correction:
Replace left hand control arm linkage assembly.
Notes:
System: windshield wiper control arm assembly.vehicle description: heavy-duty trucks.

Campaign:
90V052000 on 03/27/1990
Component:
Steering:gear box:shaft sector
Manufactured:
05/31/1989 - 07/31/1989
Affected:
267
Defect:
Interference between steering gear sector shaft and the frame rail through hole can cause sector shaft wear and can weaken shaft cause it to break.
Consequence:
Shaft failure during vehicle operation would cause loss of steering control and a crash without prior warning.
Correction:
Enlarge frame rail through hole to prevent interference: replace steering gear sector shaft if scored.
Notes:
System: steering gear sector shaft.vehicle description: heavy-duty trucks.

Campaign:
94V032000 on 02/28/1994
Component:
Vehicle speed control
Manufactured:
06/30/1987 - 06/30/1992
Affected:
39,777
Defect:
Fuel injection system reconfiguration to comply with engine emission standards cause higher engine vibration levels which lead to early wear and complete failure of the secondary throttle return mechanism.
Consequence:
In the event the primary throttle return fails, failure of the secondary throttle return system would not provide protection against loss of throttle control.
Correction:
A new production secondary throttle return system configuration will be installed.
Notes:
System: fuel; fuel pump.vehicle description: class 8 trucks equipped with e6 and e7 engines with robert bosch p7100 mechanically-governed fuel injection pumps.note: if your vehicle is presented to an authorized dealer on an agreed upon service date and the remedy is not provided within a reasonable time and free of charge or the remedy does not correct the defect or noncompliance, please contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.

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