| NHTSA Campaign Number: |
94V032000 |
| Vehicle/Equipment Make: |
MACK |
| Vehicle/Equipment Model: |
FDM |
| Model Year: |
1990 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
VEHICLE SPEED CONTROL |
| Manufacturers Involved in Recall: |
MACK TRUCKS, INCORPORATED |
| Manufacturered: |
19870701 - 19920701 |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
39777 |
| Date Owner Notified By Manufacturer: |
19940527 |
| Recall Initiated By: |
19940527 |
| Manufacturer Responsible For Recall: |
MACK TRUCKS, INC |
| Report Received Date: |
19940215 |
| Record Creation Date: |
19940301 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| 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. |