1987 MACK DMM Recalls (2)
- Campaign:
- 90V034000 on 02/28/1990
- Component:
- Steering:linkages
- Manufactured:
- 11/30/1980 - 06/30/1988
- Affected:
- 1,862
- Defect:
- Crack may develop on steering arm that could progress and reduce the fatigue life of the steering arm.
- Consequence:
- Steering arm could fail without warning resulting in loss of steering control and possibly a crash.
- Correction:
- Install a redesigned steering arm.
- Notes:
- System: steering arm.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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