The defect
A TOLERANCE MISMATCH IN THE CRANK ASSEMBLY OF THE BOSCH WINDSHIELD WIPER MOTOR COULD CAUSE INSTANTANEOUS SEPARATION OF THE CRANK FROM THE LINKAGE ASSEMBLY IN THE LEFT HAND CONTROL ARM ASSEMBLY; THIS WOULD MAKE THE SYSTEM INOPERABLE.
The risk
WIPER FAILURE DURING VEHICLE OPERATION COULD REDUCE DRIVER'S ABILITY TO SEE THE ROAD, AND CREATES A POTENTIAL FOR AN ACCIDENT.
The remedy
REPLACE LEFT HAND CONTROL ARM LINKAGE ASSEMBLY.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack DM | 1989 |
| Mack DMM | 1989 |
| Mack R | 1989 |
| Mack RB | 1989 |
| Mack RD | 1989 |
| Mack RM | 1989 |
| Mack RW | 1989 |
| Mack U | 1989 |
Components: VISIBILITY:WINDSHIELD WIPER/WASHER: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 |
|---|---|---|---|
| Mack DM | 1989 | 0 | 2 |
| Mack DMM | 1989 | 0 | 2 |
| Mack R | 1989 | 0 | 3 |
| Mack RB | 1989 | 0 | 3 |
| Mack RD | 1989 | 0 | 3 |
| Mack RM | 1989 | 0 | 2 |
| Mack RW | 1989 | 0 | 2 |
| Mack U | 1989 | 0 | 2 |
Other visibility recalls in 1990
17 of the 208 recall campaigns reported to NHTSA in 1990 concerned the visibility; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 90V192000 12 Nov 1990 | UTILIMASTER CORPORATION |
| 90V179000 1 Nov 1990 | VOLVO GM HEAVY TRUCK CORP |
| 90V149000 23 Aug 1990 | CHAMPION HOME BLDR. CO. |
| 90V135000 27 Jul 1990 | LIMOUSINE WERKS, INC. |
| 90V126000 10 Jul 1990 | AMERICAN HONDA MOTOR CO. |
| 90V111000 6 Jun 1990 | ABC BUS COMPANIES, INC. |
| 90V110000 4 Jun 1990 | SUBARU OF AMERICA, INC. |
| 90V107000 4 Jun 1990 | GENERAL MOTORS CORP. |
NHTSA recalls (public domain) · all recalls of 1990