Mack Fdm 1991
Model Fdm made in 1991 by Mack got 3 recalls. There were some recalls concerningengine and engine cooling, power train and vehicle speed control.
Model 1991
Recalls
| Campaign | Manufacturer | Manufacturing date | Type | # of units affected | Date Owner notified Mfg | Recall Initiated by | Manufacturers of recalled vehicles/products | Report Recieved Date | Record Creation Date | Regulation Part Number | FMVSS Number | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN | ||||||||||||||||
| 93V137000 | MACK TRUCKS, INCORPORATED | from 04/01/1991 to 05/01/1993 | V (Vehicle) | 11000 | 10/01/1993 | MFR | MACK TRUCKS, INC | 08/20/1993 | 09/01/1993 | |||||||
| Defect Summary | The engine cooling fan blades may break due to inadequate blade strength around the rivets that attach the blades to the fan spider. | |||||||||||||||
| Consequence Summary | If complete fracture of the fan blade occurs, it couldbe propelled outside the fan shroud, injuring person(s) in the vicinity ofthe truck. | |||||||||||||||
| Corrective Summary | An improved fan will be installed on these vehicles. | |||||||||||||||
| Notes | System: engine; cooling fan.vehicle description: class 8 heavy trucks equipped with 6 bladed fansmanufactured by engineered cooling systems, inc. | |||||||||||||||
| POWER TRAIN - DRIVELINE | ||||||||||||||||
| 93V176000 | MACK TRUCKS, INCORPORATED | from 08/01/1989 to 12/01/1991 | V (Vehicle) | 130 | 01/12/1994 | MFR | MACK TRUCKS, INC | 11/01/1993 | 11/16/1993 | |||||||
| Defect Summary | 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 Summary | Pillow block failure allows the driveline (jackshaft)to drop down onto the roadway and create a safety hazard to other vehicles. | |||||||||||||||
| Corrective Summary | 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. | |||||||||||||||
| VEHICLE SPEED CONTROL | ||||||||||||||||
| 94V032000 | MACK TRUCKS, INCORPORATED | from 07/01/1987 to 07/01/1992 | V (Vehicle) | 39777 | 05/27/1994 | ODI | MACK TRUCKS, INC | 02/15/1994 | 03/01/1994 | |||||||
| Defect Summary | 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 Summary | In the event the primary throttle return fails, failure of the secondary throttle return system would not provide protection against loss of throttle control. | |||||||||||||||
| Corrective Summary | 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. | |||||||||||||||