Vehicle recall 88V043000 · March 28, 1988
1986-1988 Mack RM
The steering shaft spline engagement is only .52, the recommended engagement is 2 inches.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The steering shaft spline engagement is only .52, the recommended engagement is 2 inches.
- Consequence
- Under impacts such as road potholes, it could result inshaft disengagement. The driver would immediately lose steering controlwithout warning and vehicle crash could occur.
- Remedy
- Replace shafts that measure under the minimum engagement dimensions with a longer shaft.
- Notes
- System: steeringvehicle description: trucks
Recall details
- NHTSA campaign
- 88V043000
- Reported to NHTSA
- March 28, 1988
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- March 25, 1988
- Vehicles potentially affected
- 259
- Initiated by
- the manufacturer
- Components
- Steering › Gear box (other than rack and pinion)
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.