Vehicle recall 87V166000 · October 26, 1987
Mack MH and RW Series
On right hand steering arm, keyway may be in the wrong location causing a toggle condition to occur under certain conditions.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- On right hand steering arm, keyway may be in the wrong location causing a toggle condition to occur under certain conditions.
- Consequence
- This could result in slow steering return without priorwarning which would affect steering control and create the potential for acrash.
- Remedy
- Replace incorrect steering arm.
- Notes
- System: steering armvehicle description: heavy duty trucks with dual steering gears.
Recall details
- NHTSA campaign
- 87V166000
- Reported to NHTSA
- October 26, 1987
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- August 11, 1988
- Vehicles potentially affected
- 200
- Initiated by
- the manufacturer
- Components
- Steering › Linkages
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.