The defect
CROSSMEMBER CAN BE OVERSTRESSED AND CAN FAIL, ALLOWING THE BROKEN CROSSMEMBER TO PROTUDE ABOVE THE TOP OF THE FRAME AND INTERFERE WITH CHASSIS COMPONENTS.
The risk
TRAILER HANDLING COULD BE AFFECTED DURING TURNINGMANEUVERS WHICH COULD RESULT IN LOSS OF TRUCK CONTROL AND A CRASH. ALSO, ACOMPLETELY SEPARATED CROSSMEMBER COULD AFFECT HEIGHT OF SUSPENSION AIR SPRINGSAND THE RESULTING LEAN COULD RESULT IN LOSS OF CONTROL.
The remedy
INSTALLATION OF A BOLTED DOUBLE PLATE TYPE CROSSMEMBER TO REPLACE THE STANDARD CHANNEL TYPE CROSSMEMBER.
NHTSA's own wording · initiated by ODI
Vehicles covered
| Model | Model years |
|---|---|
| Mack | 1981, 1982, 1983, 1984, 1985, 1986, 1987 |
Components: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack | 1981 | 0 | 3 |
| Mack | 1982 | 1 | 4 |
| Mack | 1983 | 0 | 4 |
| Mack | 1984 | 0 | 5 |
| Mack | 1985 | 0 | 7 |
| Mack | 1986 | 2 | 5 |
| Mack | 1987 | 1 | 3 |
Other suspension recalls in 1987
24 of the 197 recall campaigns reported to NHTSA in 1987 concerned the suspension; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 87V193000 18 Dec 1987 | BAYERISCHE MOTOREN WERKE |
| 87V189000 14 Dec 1987 | PACCAR, INCORPORATED |
| 87V148000 17 Sept 1987 | CHANCE COACH, INC. |
| 87V154000 16 Sept 1987 | BEALL TRANSLINER OF OREGN |
| 87V138000 4 Sept 1987 | VOLVO GM HEAVY TRUCK CORP |
| 87V128000 10 Aug 1987 | GENERAL MOTORS CORP. |
| 87V116000 28 Jul 1987 | PACCAR, INCORPORATED |
| 87V110000 16 Jul 1987 | GREAT DANE TRAILERS, INC. |
NHTSA recalls (public domain) · all recalls of 1987