Vehicle recall 79V130000 · May 30, 1979
Mack RWL and RWS
It has been determined that two screws that are part of the bearing assembly located at the cab dash sheet may not have been tightened properly.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- It has been determined that two screws that are part of the bearing assembly located at the cab dash sheet may not have been tightened properly. As a result, the upper steering shaft may be free to "float" throughout much of its length which may result in inadequate engagement in the slip splines of the lower steering shaft. Axle articulation could result in disengagement of the lower steering shaft slip splines.
- Remedy
- Dealer will install a sleeve between the dash sheet bearing and the upper steering shaft lower yoke to assure positive upper steering shaft location.
- Notes
- Vehicle description: trucks.system: steering assembly; steering column shaft, upper.consequences of defect: loss of steering control could cause loss of vehiclecontrol and an accident.
Recall details
- NHTSA campaign
- 79V130000
- Reported to NHTSA
- May 30, 1979
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- November 23, 1979
- Vehicles potentially affected
- 2,187
- Initiated by
- NHTSA’s Office of Defects Investigation
- Components
- Steering › Steering wheel/handle bar
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.