Mack U Series recalls by year
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
10 recalls found for the Mack U Series in NHTSA data as of September 22, 2026. Choose a model year:
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.
Newest Mack U Series recalls
- May 22, 198989V086000Steering16,000 vehiclesMack CH, DM Series and 3 more models
Steering wheel retaining nuts may have been improperly installed and/or torqued.
- Mar 3, 198989V032000Steering3,127 vehiclesMack DM Series, DMM Series and 5 more models
An incorrect high pressure power steering hose may have been installed.
- Jul 27, 198888V125000Steering6,400 vehiclesMack DM Series, DMM Series and 4 more models
Some of the nuts/bolts used to fasten the steering pitman arm may loosen.
- May 23, 198888V085000Power train203 vehiclesMack DM Series, DMM Series and 4 more models
Clamp plates used between the drive shaft and carrier yokes may crack and could break due to improper heat treatment.
- Nov 23, 198787V179000Steering323 vehiclesMack CF, DM Series and 6 more models
Cross steering levers may be improperly heat treated and subject to fail during normal operation.
- Mar 22, 198484V033000Steering4,393 vehiclesMack DM Series, Mack MC Series and 12 more models
Improper steering clamp bolts and torque applied during installation.
- Mar 2, 198282V019000Steering22 vehicles1980-1982 Mack U Series
Certain vehicles may be subject to steering shaft separation due to loose set screws in the dash sheet bearing which may allow the shaft to move.
- Jul 8, 198181V088000Service brakes, air10,000 vehiclesMack F Series, MC Series and 2 more models
The retaining pin for the brake control knob has been misaligned (off the center line of the valve plunger hole).