Recall 79V-137: 1977–1979 Mack RWL, 1977–1979 Mack RWS and 2 more
MACK TRUCKS, INCORPORATED recall for steering, reported to NHTSA on Jun 1, 1979, covering about 6,673 vehicles.
The problem
The pitman arm retaining nut may not have been torqued to manufacturer specifications. This could result in inadequate retention of the nut at the output shaft, allowing the pitman arm to become loose.
The fix
Dealer will inspect and retorque pitman arm, if necessary, at no cost to owner.
Notes
Vehicle description: trucks.system: steering linkages; arm, pitman.consequences of defect: this condition could lead to premature wearing of theoutput shaft causing loss of vehicle control and an accident.
Recall details
| Manufacturer | MACK TRUCKS, INCORPORATED |
|---|---|
| Component | Steering › Linkages |
| Recall started by | the manufacturer |
| NHTSA campaign number | 79V137000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Mack RWL | 1977, 1978, 1979 | All years |
| Mack RWS | 1977, 1978, 1979 | All years |
| Mack WL | 1977, 1978, 1979 | All years |
| Mack WS | 1977, 1978, 1979 | 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 79V-137?
The pitman arm retaining nut may not have been torqued to manufacturer specifications. This could result in inadequate retention of the nut at the output shaft, allowing the pitman arm to become loose.
How is recall 79V-137 fixed?
Dealer will inspect and retorque pitman arm, if necessary, at no cost to owner.
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.