NHTSA Campaign 87V010000
SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM
Issued by MACK TRUCKS, INCORPORATED · Reported Feb 9, 1987 · 5,235 vehicles affected
What's wrong
CROSSMEMBER CAN BE OVERSTRESSED AND CAN FAIL, ALLOWING THE BROKEN CROSSMEMBER TO PROTUDE ABOVE THE TOP OF THE FRAME AND INTERFERE WITH CHASSIS COMPONENTS.
Consequence
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.
Remedy
INSTALLATION OF A BOLTED DOUBLE PLATE TYPE CROSSMEMBER TO REPLACE THE STANDARD CHANNEL TYPE CROSSMEMBER.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| MACK | MACK | 1972 | 5,235 |
| MACK | MACK | 1973 | 5,235 |
| MACK | MACK | 1974 | 5,235 |
| MACK | MACK | 1975 | 5,235 |
| MACK | MACK | 1976 | 5,235 |
| MACK | MACK | 1977 | 5,235 |
| MACK | MACK | 1978 | 5,235 |
| MACK | MACK | 1979 | 5,235 |
| MACK | MACK | 1980 | 5,235 |
| MACK | MACK | 1981 | 5,235 |
| MACK | MACK | 1982 | 5,235 |
| MACK | MACK | 1983 | 5,235 |
| MACK | MACK | 1984 | 5,235 |
| MACK | MACK | 1985 | 5,235 |
| MACK | MACK | 1986 | 5,235 |
| MACK | MACK | 1987 | 5,235 |
Source: NHTSA Campaign 87V010000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.