1990 MACK FDM Recalls (2)
- Campaign:
- 93V176000 on 11/15/1993
- Component:
- Power train:driveline
- Manufactured:
- 07/31/1989 - 11/30/1991
- Affected:
- 130
- Defect:
- The driveshaft to the front driving axle is secured to a bracket using two pillow blocks. these blocks are of insufficient strength to support the driveshaft and could fail.
- Consequence:
- Pillow block failure allows the driveline (jackshaft)to drop down onto the roadway and create a safety hazard to other vehicles.
- Correction:
- Mack will install thicker pillow blocks and support u-bolts.
- Notes:
- System: powertrain; driveline; bracket; support; center shaft.vehicle description: front discharge mixer model medium-duty truck chassis.note: if your vehicle is presented to an authorized dealer on an agreed uponservice date and the remedy is not provided within a reasonable time and freeof charge or the remedy is not provided within a reasonable time and free ofcharge or the remedy does not correct the defect or noncompliance, pleasecontact the national highway traffic safety administration's auto safety hotlineat 1-800-424-9393.
- 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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