Vehicle recall 87V187000 · December 14, 1987
1987 Mack MH
The pitman arm to drag link angle is out of phase.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The pitman arm to drag link angle is out of phase.
- Consequence
- Under certain conditions, steering linkage could go intoa toggle condition resulting in a slow wheel return and impaired steeringcontrol, creating the potential for a vehicle crash without prior warning.
- Remedy
- Replace mismarked pitman arm.
- Notes
- System: pitman armvehicle description: heavy duty trucks with sheppard steering gear.
Recall details
- NHTSA campaign
- 87V187000
- Reported to NHTSA
- December 14, 1987
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- August 5, 1988
- Vehicles potentially affected
- 29
- 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.