The defect
THE ENGINE FAN MAY EXPERIENCE A RESONANT FREQUENCY CAUSING PREMATURE FAN FAILURE, AND SEPARATION FROM THE ENGINE.
The risk
ENGINE FAN SEPARATION CAN CAUSE DEATH OR INJURY TO ANYPERSON IN THE PATH OF THE FAN.
The remedy
REPLACE ENGINE FAN WITH FAN FROM ANOTHER MANUFACTURER.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth T600 | 1990, 1991 |
| Kenworth W900B | 1990, 1991 |
| Kenworth W900L | 1990, 1991 |
Components: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Kenworth T600 | 1990 | 1 | 2 |
| Kenworth T600 | 1991 | 0 | 3 |
| Kenworth W900B | 1990 | 0 | 3 |
| Kenworth W900B | 1991 | 0 | 3 |
| Kenworth W900L | 1990 | 0 | 1 |
| Kenworth W900L | 1991 | 0 | 2 |
Other engine and engine cooling recalls in 1991
4 of the 220 recall campaigns reported to NHTSA in 1991 concerned the engine and engine cooling; PACCAR, INCORPORATED filed 199 campaigns in all.
| 91V225000 31 Dec 1991 | HYUNDAI MOTOR AMERICA |
| 91V211000 27 Dec 1991 | NISSAN NORTH AMERICA, INC. |
| 91V192000 5 Nov 1991 | FREIGHTLINER CORPORATION |
NHTSA recalls (public domain) · all recalls of 1991