| NHTSA Campaign Number: |
89V224000 |
| Vehicle/Equipment Make: |
INTERNATIONAL |
| Vehicle/Equipment Model: |
4600 |
| Model Year: |
1990 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS |
| Manufacturers Involved in Recall: |
NAVISTAR INTL CORP. |
| Manufacturered: |
19890401 - 19891101 |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
10459 |
| Date Owner Notified By Manufacturer: |
19891207 |
| Recall Initiated By: |
19891207 |
| Manufacturer Responsible For Recall: |
INTERNATIONAL TRUCK & ENGINE CORPORATION |
| Report Received Date: |
19891211 |
| Record Creation Date: |
19900102 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
THE THROTTLE VALVE INSIDE THE HYDRAULIC BRAKE BOOSTER MAY DEFORM FROM BUILDUP OF HEAT AND PRESSURE AND CLOSE-OFF FLUID RETURN PORTS. |
| Consequence Summary: |
THIS COULD CAUSE EXCESSIVE PRESSURE BUILDUP IN THEBOOSTER CAUSING THE BRAKES TO SELF APPLY WITH A SEVERE UNEXPECTED STOP. THISCONDITION COULD ALSO RESULT IN LOSS OF POWER STEERING ASSIST. EITHER CONDITIONCOULD RESULT IN AN ACCIDENT. |
| Corrective Summary: |
REPLACE BRAKE BOOSTER ASSEMBLY. |