Recall 78V-031: 1975–1978 Mack F, 1975–1978 Mack R and 1 more
MACK TRUCKS, INCORPORATED recall for suspension, reported to NHTSA on Feb 9, 1978, covering about 33,000 vehicles.
The problem
The tee bracket, which is mounted on the front axle of the bogie, may fail due to vibration brought on by road surface irregularities. Bracket failure would leave the tee bracket unsupported and cause broken hose connector fittings. This would result in automatic application of the spring emergency brakes.
The fix
The dealer will replace the defective bracket with a redesigned version.
Notes
Vehicle description: trucks equipped with highway bogies.system: suspension; tee bracket.consequences of defect: automatic application of the spring emergency brakescould cause loss of vehicle control and an accident.
Recall details
| Manufacturer | MACK TRUCKS, INCORPORATED |
|---|---|
| Component | Suspension › Multiple Axle |
| Recall started by | the manufacturer |
| NHTSA campaign number | 78V031000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Mack F | 1975, 1976, 1977, 1978 | All years |
| Mack R | 1975, 1976, 1977, 1978 | All years |
| Mack U | 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-031?
The tee bracket, which is mounted on the front axle of the bogie, may fail due to vibration brought on by road surface irregularities. Bracket failure would leave the tee bracket unsupported and cause broken hose connector fittings. This would result in automatic application of the spring emergency brakes.
How is recall 78V-031 fixed?
The dealer will replace the defective bracket with a redesigned version.
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.