The defect
STEERING ARM MAY FAIL IF USED ON EATON EFA12F4 FROM AXLE IN CONJUNCTION WITH ROSS HFB70 POWER STEERING GEAR.
The risk
A FAILED STEERING GEAR ARM COULD LEAD TO LOSS OF VEHICLECONTROL AND VEHICLE CRASH.
The remedy
INSTALL A NONADJUSTABLE 1500 PSI POWER STEERING PUMP PRESSURE RELIEF VALVE TO LIMIT STEERING ARM FORCES. REPLACE STEERING ARM WITH A DESIGN CAPABLE OF WITHSTANDING HIGHER FORCES. ADJUST MAXIMUM POPPET VALVE SETTINGS TO 500 PSI AND ADJUST AXLE STOPS.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Freightliner COE | 1984, 1985, 1986, 1987, 1988 |
| Freightliner Conventional | 1984, 1985, 1986, 1987, 1988 |
Components: STEERING: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 |
|---|---|---|---|
| Freightliner COE | 1984 | 0 | 5 |
| Freightliner COE | 1985 | 0 | 6 |
| Freightliner COE | 1986 | 0 | 5 |
| Freightliner COE | 1987 | 0 | 4 |
| Freightliner COE | 1988 | 0 | 2 |
| Freightliner Conventional | 1984 | 1 | 4 |
| Freightliner Conventional | 1985 | 0 | 7 |
| Freightliner Conventional | 1986 | 1 | 6 |
| Freightliner Conventional | 1987 | 0 | 4 |
| Freightliner Conventional | 1988 | 0 | 2 |
Other steering recalls in 1988
19 of the 197 recall campaigns reported to NHTSA in 1988 concerned the steering; FREIGHTLINER CORP. filed 116 campaigns in all.
| 88V187000 1 Dec 1988 | VOLKSWAGEN OF AMERICA,INC |
| 88V167000 24 Oct 1988 | FREIGHTLINER CORP. |
| 88V157000 4 Oct 1988 | NAVISTAR INTL CORP. |
| 88V158000 4 Oct 1988 | CHANCE COACH, INC. |
| 88V131000 4 Aug 1988 | WESTERN STAR TRUCKS, INC. |
| 88V125000 27 Jul 1988 | MACK TRUCKS, INCORPORATED |
| 88V124000 26 Jul 1988 | MACK TRUCKS, INCORPORATED |
| 88V122000 25 Jul 1988 | PACCAR, INCORPORATED |
NHTSA recalls (public domain) · all recalls of 1988