The defect
THE THROTTLE VALVE INSIDE THE HYDRAULIC BRAKE BOOSTER MAY DEFORM FROM BUILDUP OF HEAT AND PRESSURE AND CLOSE-OFF FLUID RETURN PORTS.
The risk
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.
The remedy
REPLACE BRAKE BOOSTER ASSEMBLY.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| International 1452SC | 1990 |
| International 1652SC | 1990 |
| International 3700 | 1990 |
| International 3800 | 1990 |
| International 4600 | 1990 |
| International 4700 | 1990 |
| International 4900 | 1990 |
Components: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| International 1452SC | 1990 | 0 | 1 |
| International 1652SC | 1990 | 0 | 1 |
| International 3700 | 1990 | 0 | 4 |
| International 3800 | 1990 | 2 | 4 |
| International 4600 | 1990 | 0 | 1 |
| International 4700 | 1990 | 0 | 1 |
| International 4900 | 1990 | 0 | 2 |
Other service brakes, hydraulic recalls in 1989
23 of the 234 recall campaigns reported to NHTSA in 1989 concerned the service brakes, hydraulic; NAVISTAR INTL CORP. filed 163 campaigns in all.
| 89V235000 26 Dec 1989 | JAGUAR ROVER TRIUMPH INC. |
| 89V227000 18 Dec 1989 | FREIGHTLINER CORP. |
| 89V223000 11 Dec 1989 | FORD MOTOR COMPANY |
| 89V221000 8 Dec 1989 | VOLKSWAGEN OF AMERICA,INC |
| 89V213000 5 Dec 1989 | DAIHATSU AMERICA, INC. |
| 89V209000 29 Nov 1989 | MARMON MOTOR COMPANY |
| 89V206000 21 Nov 1989 | SHELBY AUTOMOBILES, INC. |
| 89V202000 16 Nov 1989 | BLUE BIRD BODY COMPANY |
NHTSA recalls (public domain) · all recalls of 1989