1989 MACK MH Recalls (2)
- Campaign:
- 89V079000 on 06/04/1989
- Component:
- Suspension:front
- Manufactured:
- 01/31/1989 - 02/28/1989
- Affected:
- 100
- Defect:
- Torque rod bolts are grade 2 instead of grade 5, which is not to specification, and could fail.
- Consequence:
- Bolt failure could allow the rear axle to shift; thiscould adversely affect truck control and could result in a crash.
- Correction:
- Replace torque rod bolts with bolts of the proper specification.
- Notes:
- System: suspension/torque rod fasteners.vehicle description: heavy duty trucks with reyco suspension.
- 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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