The defect
SECONDARY SERVICE RESERVOIR AIR CHECK VALVES MAY NOT SEAT PROPERLY DUE TO A MECHANICAL INTERFERENCE CONDITION BETWEEN A CIRCULAR BRASS GUIDE AND THE WALL OF A CYLINDRICAL FERRULE IN WHICH THE BRASS GUIDE IS INTENDED TO MOVE FREELY.
The risk
IN THE EVENT OF PRESSURE LOSS IN THE SUPPLY RESERVOIR,A DEFECTIVE CHECK VALVE WOULD ALLOW PRESSURE EQUALIZATION BETWEEN PRIMARY ANDSECONDARY SERVICE RESERVOIRS, PRESENTING THE POTENTIAL FOR LOSS OR ABSENCE OFFRONT BRAKING ABILITY, WHICH COULD CAUSE LOSS OF CONTROL AND AN ACCIDENT.
The remedy
INSTALL REVISED DESIGN SECONDARY SERVICE RESERVOIR CHECK VALVE COMPONENTS.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Ford L8000 | 1989, 1990 |
| Ford L9000 | 1989, 1990 |
| Ford LA9000 | 1989, 1990 |
| Ford LL9000 | 1989, 1990 |
| Ford LN7000 | 1989, 1990 |
| Ford LN8000 | 1989, 1990 |
| Ford LN9000 | 1989, 1990 |
| Ford LNT8000 | 1989, 1990 |
| Ford LNT9000 | 1989, 1990 |
| Ford LS8000 | 1989, 1990 |
| Ford LS9000 | 1989, 1990 |
| Ford LT8000 | 1989, 1990 |
| Ford LT9000 | 1989, 1990 |
| Ford LTA9000 | 1989, 1990 |
| Ford LTL9000 | 1989, 1990 |
| Ford LTS8000 | 1989, 1990 |
| Ford LTS9000 | 1989, 1990 |
Components: SERVICE BRAKES, AIR:CONTROLS, PEDALS AND LINKAGES
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Ford L8000 | 1989 | 0 | 1 |
| Ford L8000 | 1990 | 0 | 1 |
| Ford L9000 | 1989 | 0 | 1 |
| Ford L9000 | 1990 | 0 | 1 |
| Ford LA9000 | 1989 | 0 | 1 |
| Ford LA9000 | 1990 | 0 | 1 |
| Ford LL9000 | 1989 | 0 | 1 |
| Ford LL9000 | 1990 | 0 | 1 |
| Ford LN7000 | 1989 | 0 | 1 |
| Ford LN7000 | 1990 | 0 | 1 |
| Ford LN8000 | 1989 | 0 | 1 |
| Ford LN8000 | 1990 | 0 | 1 |
| Ford LN9000 | 1989 | 0 | 1 |
| Ford LN9000 | 1990 | 0 | 1 |
| Ford LNT8000 | 1989 | 0 | 1 |
| Ford LNT8000 | 1990 | 0 | 1 |
| Ford LNT9000 | 1989 | 0 | 1 |
| Ford LNT9000 | 1990 | 0 | 1 |
| Ford LS8000 | 1989 | 0 | 1 |
| Ford LS8000 | 1990 | 0 | 1 |
| Ford LS9000 | 1989 | 0 | 1 |
| Ford LS9000 | 1990 | 0 | 1 |
| Ford LT8000 | 1989 | 0 | 1 |
| Ford LT8000 | 1990 | 0 | 1 |
| Ford LT9000 | 1989 | 0 | 1 |
| Ford LT9000 | 1990 | 0 | 1 |
| Ford LTA9000 | 1989 | 0 | 1 |
| Ford LTA9000 | 1990 | 0 | 1 |
| Ford LTL9000 | 1989 | 0 | 1 |
| Ford LTL9000 | 1990 | 0 | 1 |
Other service brakes, air recalls in 1990
7 of the 208 recall campaigns reported to NHTSA in 1990 concerned the service brakes, air; FORD MOTOR COMPANY filed 963 campaigns in all.
| 90V199000 6 Dec 1990 | COLLINS BUS CORPORATION |
| 90V180000 1 Nov 1990 | VOLVO GM HEAVY TRUCK CORP |
| 90V083000 3 May 1990 | BANKHEAD TRANSPORTATION |
| 90V079000 24 Apr 1990 | MARMON MOTOR COMPANY |
| 90V075000 16 Apr 1990 | OSHKOSH TRUCK CORPORATION |
| 90V027000 12 Feb 1990 | STRICK CORPORATION |
NHTSA recalls (public domain) · all recalls of 1990