The defect
IMPROPER STEERING CLAMP BOLTS AND TORQUE APPLIED DURING INSTALLATION. THE BOLT COULD FAIL, ALLOWING THE STEERING YOKE TO BECOME LOOSE.
The remedy
INSPECTION AND, IF NECESSARY, INSTALLATION OF PROPER STEERING SHAFT CLAMP BOLTS TIGHTENED TO SPECIFICATIONS.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack DM Series | 1983, 1984 |
| Mack MC Series | 1983, 1984 |
| Mack MH | 1983, 1984 |
| Mack R series | 1983, 1984 |
| Mack RD Series | 1983, 1984 |
| Mack RM Series | 1983, 1984 |
| Mack U Series | 1983, 1984 |
| Mack WS | 1983, 1984 |
| Western RL Series | 1983, 1984 |
| Western RS Series | 1983, 1984 |
| Western RWL Series | 1983, 1984 |
| Western RWS Series | 1983, 1984 |
| Western WL Series | 1983, 1984 |
| Western WS Series | 1983, 1984 |
Components: STEERING: STEERING WHEEL/HANDLE BAR
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 | 1983 | 0 | 1 |
| Mack DM Series | 1984 | 0 | 1 |
| Mack MC Series | 1983 | 0 | 1 |
| Mack MC Series | 1984 | 0 | 1 |
| Mack MH | 1983 | 0 | 8 |
| Mack MH | 1984 | 0 | 9 |
| Mack R series | 1983 | 0 | 2 |
| Mack R series | 1984 | 1 | 2 |
| Mack RD Series | 1983 | 0 | 2 |
| Mack RD Series | 1984 | 0 | 2 |
| Mack RM Series | 1983 | 0 | 1 |
| Mack RM Series | 1984 | 0 | 1 |
| Mack U Series | 1983 | 0 | 1 |
| Mack U Series | 1984 | 0 | 1 |
| Mack WS | 1983 | 0 | 1 |
| Mack WS | 1984 | 0 | 1 |
| Western RL Series | 1983 | 0 | 1 |
| Western RL Series | 1984 | 0 | 1 |
| Western RS Series | 1983 | 0 | 1 |
| Western RS Series | 1984 | 0 | 1 |
| Western RWL Series | 1983 | 0 | 2 |
| Western RWL Series | 1984 | 0 | 2 |
| Western RWS Series | 1983 | 0 | 2 |
| Western RWS Series | 1984 | 0 | 2 |
| Western WL Series | 1983 | 0 | 1 |
| Western WL Series | 1984 | 0 | 1 |
| Western WS Series | 1983 | 0 | 1 |
| Western WS Series | 1984 | 0 | 1 |
Other steering recalls in 1984
21 of the 164 recall campaigns reported to NHTSA in 1984 concerned the steering; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 84V161000 13 Dec 1984 | FREIGHTLINER CORP. |
| 84V122000 30 Oct 1984 | CHRYSLER CORPORATION |
| 84V124000 10 Oct 1984 | GENERAL MOTORS CORP. |
| 84V109000 19 Sept 1984 | INTERNATIONAL HARVESTER |
| 84V102000 4 Sept 1984 | AMERICAN SUZUKI MOTOR CORP. |
| 84V100000 29 Aug 1984 | FORD MOTOR COMPANY |
| 84V099000 29 Aug 1984 | VOLVO GM HEAVY TRUCK CORP |
| 84V094000 1 Aug 1984 | AMERICAN LAFRANCE |
NHTSA recalls (public domain) · all recalls of 1984