Recall 78V-172: 1974–1978 Mack CF, 1974–1978 Mack DM and 3 more
MACK TRUCKS, INCORPORATED recall for steering, reported to NHTSA on Aug 8, 1978, covering about 13,800 vehicles.
The problem
The existing cross steering arms may have insufficient fatigue life in the neck area. This is near the boss for the cross steering tube ball joint connection. Failure of either of the cross steering levers could lead to loss of steering control of the right front wheel.
The fix
The dealer will inspect and, if necessary, install cross steering arms of improved design and greater strength.
Notes
Vehicle description: truck tractors.system: steering; steering arm.consequences of defect: loss of steering control could lead to loss of vehiclecontrol and an accident.
Recall details
| Manufacturer | MACK TRUCKS, INCORPORATED |
|---|---|
| Component | Steering › Linkages › Knuckle › Spindle › Arm |
| Recall started by | the manufacturer |
| NHTSA campaign number | 78V172000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Mack CF | 1974, 1975, 1976, 1977, 1978 | All years |
| Mack DM | 1974, 1975, 1976, 1977, 1978 | All years |
| Mack DMM | 1974, 1975, 1976, 1977, 1978 | All years |
| Mack MB | 1974, 1975, 1976, 1977, 1978 | All years |
| Mack RD | 1974, 1975, 1976, 1977, 1978 | 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 78V-172?
The existing cross steering arms may have insufficient fatigue life in the neck area. This is near the boss for the cross steering tube ball joint connection. Failure of either of the cross steering levers could lead to loss of steering control of the right front wheel.
How is recall 78V-172 fixed?
The dealer will inspect and, if necessary, install cross steering arms of improved design and greater strength.
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.