| NHTSA Campaign Number: |
94E020000 |
| Vehicle/Equipment Make: |
HERCULES |
| Vehicle/Equipment Model: |
IMPCO |
| Model Year: |
1991 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
VEHICLE SPEED CONTROL |
| Manufacturers Involved in Recall: |
HERCULES ENGINE CO. |
| Manufacturered: |
19910101 - 19940601 |
| Type of Report: |
E (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
412 |
| Date Owner Notified By Manufacturer: |
19940701 |
| Recall Initiated By: |
19940701 |
| Manufacturer Responsible For Recall: |
HERCULES TIRE & RUBBER COMPANY |
| Report Received Date: |
19940701 |
| Record Creation Date: |
19940726 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
THE ENGINE THROTTLE PLATE SHAFT CAN BECOME DISCONNECTED FROM THE THROTTLE LEVER ASSEMBLY. THE HEX HEAD LOCKING SCREW BETWEEN THE THROTTLE STOP ASSEMBLY AND THE THROTTLE SHAFT CAN LOOSEN. ALSO, THE HEX HEAD PINCH BOLT BETWEEN THE THROTTLE LEVER AND THE THROTTLE PLATE SHAFT CAN LOOSEN. THE THROTTLE RETURN SPRING CONTROLS THE THROTTLE PLATE POSITION THROUGH THE THROTTLE LEVER. IF EITHER SCREW LOOSENS, THE THROTTLE RETURN SPRINGS NO LONGER CONTROL THE THROTTLE PLATE POSITION. |
| Consequence Summary: |
UNANTICIPATED FULL THROTTLE CONDITIONS CAN OCCUR,RESULTING IN A LOSS OF THROTTLE CONTROL AND POSSIBLE ACCIDENT. |
| Corrective Summary: |
THE THROTTLE BODY HAS BEEN REDESIGNED TO INCLUDE A SECONDARY RETURN SPRING ATTACHED DIRECTLY TO THE THROTTLE PLATE SHAFT. THROTTLE STOP ASSEMBLY AND SECONDARY RETURN SPRING LOCKING SCREWS WILL BE TORQUED TO SPECIFICATION AND TREATED WITH A THREAD SEALING COMPOUND SPECIFICALLY DESIGNED FOR THREAD LOCKING APPLICATIONS. |
