The defect
DOWELS MAY HAVE BEEN OMITTED DURING SPRING CAP INSTALLATION; THIS WOULD PUT SHEAR LOAD ON THE FOUR (4) SPRING CAP BOLTS.
The risk
THIS COULD RESULT IN LOOSENING AND FAILURE OF THE BOLTSWITH POSSIBLE LOSS OF CONTROL AND ACCIDENT POTENTIAL.
The remedy
INSTALL THE MISSING DOWELS TO PREVENT MOVEMENT BETWEEN THE SPRING CAP AND AXLE HOUSING.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack DM Series | 1988 |
| Mack DMM Series | 1988 |
| Mack MH | 1988 |
| Mack RD Series | 1988 |
| Mack RW Series | 1988 |
Components: SUSPENSION:REAR:SPRINGS
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 DM Series | 1988 | 0 | 5 |
| Mack DMM Series | 1988 | 0 | 5 |
| Mack MH | 1988 | 0 | 4 |
| Mack RD Series | 1988 | 0 | 8 |
| Mack RW Series | 1988 | 0 | 2 |
Other suspension recalls in 1989
19 of the 234 recall campaigns reported to NHTSA in 1989 concerned the suspension; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 89V236000 26 Dec 1989 | GREAT DANE TRAILERS, INC. |
| 89V228000 5 Dec 1989 | PACCAR, INCORPORATED |
| 89V133000 10 Aug 1989 | PORSCHE CARS N.A. INC. |
| 89V132000 8 Aug 1989 | MOTOR COACH IND., INC. |
| 89V120000 24 Jul 1989 | PREVOST CAR, INCORPORATED |
| 89V123000 24 Jul 1989 | COACHMEN INDUSTRIES, INC. |
| 89V119000 24 Jul 1989 | MACK TRUCKS, INCORPORATED |
| 89V117000 18 Jul 1989 | GREAT DANE TRAILERS, INC. |
NHTSA recalls (public domain) · all recalls of 1989