The defect
THE 7/8 INCH SPRING EYE BOLTS WITHIN THE SPRING EYE BUSHING HANGER BRACKET OF THE REAR SUSPENSION MAY FAIL.
The risk
THE SPRING COULD FALL ONTO THE ROAD SURFACE, WITHOUT WARNING TO THE DRIVER, AND A VEHICLE CRASH COULD OCCUR DUE TO THE SUDDEN DRAG OF THE SPRING.
The remedy
REPLACE ALL 7/8 INCH DIAMETER SPRING EYE BOLTS WITH 1 INCH DIAMETER BOLTS.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack | 1981, 1982, 1983, 1984, 1985, 1986, 1987 |
Components: SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
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 1990
8 of the 208 recall campaigns reported to NHTSA in 1990 concerned the suspension; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 90V193000 14 Nov 1990 | GENERAL MOTORS CORP. |
| 90V186000 19 Oct 1990 | HOLIDAY RAMBLER CORP. |
| 90V086000 7 May 1990 | SUBARU OF AMERICA, INC. |
| 90V066000 6 Apr 1990 | GREAT DANE TRAILERS, INC. |
| 90V064000 2 Apr 1990 | UNION CITY BODY COMPANY |
| 90V059000 23 Mar 1990 | UTILIMASTER CORPORATION |
| 90V032000 12 Feb 1990 | GENERAL MOTORS CORP. |
NHTSA recalls (public domain) · all recalls of 1990