Recall 93V-024: 1992–1993 Mack CH, 1992–1993 Mack CL and 6 more
MACK TRUCKS, INCORPORATED recall for trailer hitches, reported to NHTSA on Feb 16, 1993, covering about 4,924 vehicles.
The problem
The carrier yoke bolts were manufactured with worn rolling thread dies, causing stress concentrations which caused cracks during the quenching process.
The risk
This condition can cause bolt failure and allow thedriveline to separate from the carrier assembly.
The fix
Replace the carrier yoke bolts.
Notes
System: trailer yoke.vehicle description: heavy trucks.
Recall details
| Manufacturer | MACK TRUCKS, INCORPORATED |
|---|---|
| Component | Trailer Hitches |
| Recall started by | the manufacturer |
| NHTSA campaign number | 93V024000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Mack CH | 1992, 1993 | All years |
| Mack CL | 1992, 1993 | All years |
| Mack DM | 1992, 1993 | All years |
| Mack MH | 1992, 1993 | All years |
| Mack MR | 1992, 1993 | All years |
| Mack RB | 1992, 1993 | All years |
| Mack RD | 1992, 1993 | All years |
| Mack RM | 1992, 1993 | All years |
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 93V-024?
The carrier yoke bolts were manufactured with worn rolling thread dies, causing stress concentrations which caused cracks during the quenching process.
How is recall 93V-024 fixed?
Replace the carrier yoke bolts.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.