Recall 80V-054: 1976–1980 Mack R Series, 1976–1980 Mack U Series
MACK TRUCKS, INCORPORATED recall for steering, reported to NHTSA on May 6, 1980, covering about 109 vehicles.
The problem
The prefabricated pinch bolt clamp at the lower steering shaft lower yoke may not perform adequately when tightened to specifications. The clamp may then deform and loss of clamping force and steering shaft disengagement may result.
The fix
Dealer will retrofit with lower steering shaft lower yokes that provide for integral pinch bolt installation in place of previous separately fabricated clamp for the pinch bolt.
Notes
Vehicle description: trucks.system: steering; power steering shaft; fabricated pinch bolt clamp.consequences of defect: disengagement of the steering shaft may cause loss ofvehicle control without prior warning and, possibly, an accident.
Recall details
| Manufacturer | MACK TRUCKS, INCORPORATED |
|---|---|
| Component | Steering › Gear Box (Other Than Rack and Pinion) |
| Recall started by | NHTSA (Office of Defects Investigation) |
| NHTSA campaign number | 80V054000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Mack R Series | 1976, 1977, 1978, 1979, 1980 | All years |
| Mack U Series | 1976, 1977, 1978, 1979, 1980 | 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 80V-054?
The prefabricated pinch bolt clamp at the lower steering shaft lower yoke may not perform adequately when tightened to specifications. The clamp may then deform and loss of clamping force and steering shaft disengagement may result.
How is recall 80V-054 fixed?
Dealer will retrofit with lower steering shaft lower yokes that provide for integral pinch bolt installation in place of previous separately fabricated clamp for the pinch bolt.
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.