1990 MACK MC Recalls (2)
- 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.
- Campaign:
- 94V192000 on 10/17/1994
- Component:
- Steering:linkages
- Manufactured:
- 12/31/1989 - 05/31/1990
- Affected:
- 321
- Defect:
- The steering arm can develop cracks causing the lever to break without warning.
- Consequence:
- This can result in loss of steering control and an accident.
- Correction:
- Dealers will replace the steering levers with an improved steering lever with increased fatigue strength.
- Notes:
- System: steering; linkages.vehicle description: heavy duty class 8 trucks equipped with fa(w) 14.3 spicerfront axle.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 trucks at 1-610-439-3011. also, contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.
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