Recall 94V143000 — STEERING:HYDRAULIC POWER ASSIST SYSTEM Defect in 1992-1994 THOMAS SAF-T-LINER
RECALL This recall affects up to 1,150 vehicles.
Recall Summary
| NHTSA Campaign | 94V143000 |
| Manufacturer | THOMAS BUILT BUSES, INC. |
| Vehicles Affected | 1,150 |
| Component | STEERING:HYDRAULIC POWER ASSIST SYSTEM |
| Date Notified | |
| Affected Vehicles |
Defect Description
A SUDDEN HYDRAULIC PRESSURE LOSS DURING HARD TURNS RESULTS IN A MOMENTARY LOSS OF POWER STEERING ASSIST. THE PRESSURE LOSS OCCURS WHEN THE HYDRAULICALLY DRIVEN ENGINE COOLING FAN TURNS OFF IN THE TURN.
Safety Consequence
THE DRIVER REACTS TO THE LOSS OF POWER STEERING ASSIST BY OVERSTEERING, WHICH COULD RESULT IN A VEHICLE ACCIDENT.
Remedy
THE HYDRAULIC CONTROL VALVES WILL BE REPLACED WITH VALVES OF A NEW DESIGN. UNTIL SUCH TIME AS PARTS ARE AVAILABLE, OWNERS WILL BE INSTRUCTED TO DISCONNECT THE FAN CUTOFF SWITCH SO THAT HYDRAULICALLY DRIVEN FANS WILL RUN FULL TIME, ELIMINATING THE PRESSURE SPIKE.
Related Recalls for THOMAS
| Campaign | Vehicle | Component | Date | Affected |
|---|---|---|---|---|
| 16V395000 | 1998 THOMAS VISTA | STRUCTURE:BODY:DOOR | 24,698 | |
| 16V407000 | 1999 THOMAS SAF-T-LINER CONVENTIONAL | STRUCTURE:BODY:DOOR | 717 | |
| 15V425000 | 2003 THOMAS SAF-T-LINER CONVENTIONAL | STRUCTURE:BODY:DOOR | 3,013 | |
| 15V432000 | 2005 THOMAS SAF-T-LINER CONVENTIONAL | STRUCTURE:BODY:DOOR | 103,038 | |
| 14V423000 | 2014 THOMAS MYBUS | SEAT BELTS | 4 | |
| 08V622000 | 2003 THOMAS ER | ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS | 18,198 | |
| 08V356000 | 1997 THOMAS MVP ER | ENGINE AND ENGINE COOLING | 3,773 | |
| 08V430000 | 2006 THOMAS MVP EF | EQUIPMENT ADAPTIVE/MOBILITY | 1,419 | |
| 08V432000 | 2007 THOMAS MVP EF | EQUIPMENT ADAPTIVE/MOBILITY | 1,046 | |
| 08V087000 | 2006 THOMAS ER | STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS | 243,435 |