1991 MACK RW 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:
- 94V136000 on 07/27/1994
- Component:
- Vehicle speed control
- Manufactured:
- 10/31/1991 - 02/28/1994
- Affected:
- 7,350
- Defect:
- The hand throttle cable passes through the accelerator rod assembly at an angle that wears a groove in the rod, which is located under the accelerator pedal. the cable can become wedged in the groove worn into the rod and cause the accelerator to stick in an open position.
- Consequence:
- This can result in loss of control of the bus, and could result in an accident.
- Correction:
- Dealers will install a positioning bracket for routing the hand throttle cable through the accelerator rod assembly.
- Notes:
- System: fuel; throttle linkages and control.vehicle description: school and transit buses.note: if the 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 blue bird service center at 1-912-825-9608. also, contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.
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