The defect
THROTTLE RETURN SPRINGS MAY FAIL DURING NORMAL OPERATION WITHOUT PRIOR WARNING.
The risk
IF BOTH THROTTLE RETURN SPRINGS FAIL THE ENGINE THROTTLENAT NOT RETURN TO THE IDLE POSTION WHEN THE THROTTLE PEDAL IS RELEASED. THIS MAYRESULT IN LOSS OF VEHICLE CONTROL, AND COULD CAUSE AN ACCIDENT.
The remedy
MANUFACTURER WILL REPLACE THE THROTTLE RETURN SPRINGS.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Western Star Conventional | 1987, 1988, 1989 |
Components: VEHICLE SPEED CONTROL:SPRINGS
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Western Star Conventional | 1987 | 0 | 7 |
| Western Star Conventional | 1988 | 0 | 8 |
| Western Star Conventional | 1989 | 0 | 8 |
Other vehicle speed control recalls in 1989
21 of the 234 recall campaigns reported to NHTSA in 1989 concerned the vehicle speed control; WESTERN STAR TRUCKS, INC. filed 38 campaigns in all.
| 89V234000 22 Dec 1989 | FORD MOTOR COMPANY |
| 89V211000 4 Dec 1989 | TOYOTA MOTOR CO., LTD. |
| 89V201000 19 Nov 1989 | LAG MOTORCOACH USA |
| 89V182000 30 Oct 1989 | IVECO TRUCK OF N.A., INC. |
| 89V159000 25 Sept 1989 | FORD MOTOR COMPANY |
| 89V136000 10 Aug 1989 | PACCAR, INCORPORATED |
| 89V135000 10 Aug 1989 | PACCAR, INCORPORATED |
| 89V115000 20 Jul 1989 | HARLEY-DAVIDSON MOTOR CO. |
NHTSA recalls (public domain) · all recalls of 1989