NHTSA Campaign 93V024000
TRAILER HITCHES
Issued by MACK TRUCKS, INCORPORATED · Reported Feb 16, 1993 · 4,924 vehicles affected
What's wrong
THE CARRIER YOKE BOLTS WERE MANUFACTURED WITH WORN ROLLING THREAD DIES, CAUSING STRESS CONCENTRATIONS WHICH CAUSED CRACKS DURING THE QUENCHING PROCESS.
Consequence
THIS CONDITION CAN CAUSE BOLT FAILURE AND ALLOW THEDRIVELINE TO SEPARATE FROM THE CARRIER ASSEMBLY.
Remedy
REPLACE THE CARRIER YOKE BOLTS.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| MACK | CH | 1992 | 4,924 |
| MACK | CH | 1993 | 4,924 |
| MACK | CL | 1992 | 4,924 |
| MACK | CL | 1993 | 4,924 |
| MACK | DM | 1992 | 4,924 |
| MACK | DM | 1993 | 4,924 |
| MACK | MH | 1992 | 4,924 |
| MACK | MH | 1993 | 4,924 |
| MACK | MR | 1992 | 4,924 |
| MACK | MR | 1993 | 4,924 |
| MACK | RB | 1992 | 4,924 |
| MACK | RB | 1993 | 4,924 |
| MACK | RD | 1992 | 4,924 |
| MACK | RD | 1993 | 4,924 |
| MACK | RM | 1992 | 4,924 |
| MACK | RM | 1993 | 4,924 |
Source: NHTSA Campaign 93V024000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.