| NHTSA Campaign Number: |
91V080000 |
| Vehicle/Equipment Make: |
MACK |
| Vehicle/Equipment Model: |
CF |
| Model Year: |
1989 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
STEERING:HYDRAULIC POWER ASSIST SYSTEM |
| Manufacturers Involved in Recall: |
MACK TRUCKS, INCORPORATED |
| Manufacturered: |
19880301 - 19890601 |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
35 |
| Date Owner Notified By Manufacturer: |
19910502 |
| Recall Initiated By: |
19910502 |
| Manufacturer Responsible For Recall: |
MACK TRUCKS, INC |
| Report Received Date: |
19910523 |
| Record Creation Date: |
19910524 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
INCORRECT MANUFACTURE OF THE HYDROBOOST CYLINDER ALLOWS THE BALL SOCKET CLAMP TO CONTACT RIGHT SIDE STEERING LEVER ON AN EXTREME LEFT TURN AND CAUSE FLEXING OF THE CYLINDER ROD . |
| Consequence Summary: |
THIS FLEXING CAN CAUSE SEAL FAILURE OR CYLINDER FAILUREOF THE HYDROBOOST UNIT AND RESULT IN LOSS OF STEERING CONTROL AND RESULT IN AVEHICLE ACCIDENT. |
| Corrective Summary: |
REPLACE INCORRECTLY BUILT BOOST CYLINDERS. |