Mack U recalls by year
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
22 recalls found for the Mack U in NHTSA data as of September 22, 2026. Choose a model year:
| Model year | Recalls | Complaints |
|---|---|---|
| 1992 Mack U | 1 | 0 |
| 1991 Mack U | 1 | 0 |
| 1990 Mack U | 1 | 0 |
| 1989 Mack U | 2 | 0 |
| 1988 Mack U | 1 | 0 |
| 1987 Mack U | 1 | 0 |
| 1979 Mack U | 1 | 0 |
| 1978 Mack U | 5 | 0 |
| 1977 Mack U | 8 | 0 |
| 1976 Mack U | 3 | 0 |
| 1975 Mack U | 6 | 0 |
| 1974 Mack U | 6 | 0 |
| 1973 Mack U | 5 | 0 |
| 1972 Mack U | 4 | 0 |
| 1971 Mack U | 5 | 0 |
| 1970 Mack U | 3 | 0 |
| 1969 Mack U | 2 | 0 |
| 1968 Mack U | 1 | 0 |
| 1967 Mack U | 1 | 0 |
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 recalls
- Feb 15, 199494V032000Vehicle speed control39,777 vehiclesMack CF, CH and 15 more models
Fuel injection system reconfiguration to comply with engine emission standards cause higher engine vibration levels which lead to early wear and complete failure of the secondary…
- Mar 16, 199090V051000Visibility2,350 vehiclesMack DM, DMM and 6 more models
A tolerance mismatch in the crank assembly of the bosch windshield wiper motor could cause instantaneous separation of the crank from the linkage assembly in the left hand…
- May 31, 197979V133000Engine and engine cooling23,000 vehiclesMack DM, DMM and 13 more models
In the event of turbocharger compressor wheel failure, one or more of the four capscrews that hold the turbocharger together may be struck by parts of the compressor wheel,…
- Apr 3, 197979V082000Steering12,000 vehiclesMack DM, R and 2 more models
An improper pinch bolt and nut may have been used in the clamping of the steering shaft to the steering gear input shaft.
- Jan 12, 197979V017000Suspension4,000 vehiclesMack DM, R and 2 more models
A casting deficiency exists in the lower section of the caps resulting in a reduction in the thickness of the material.
- Oct 3, 197878V210000Service brakes, air19,370 vehiclesMack DM, DMM and 12 more models
Delays of up to about 2 seconds may exist in the brake application times to the brakes on the bogie axles in the presence of certain types of wheel speed sensor signal…
- Aug 8, 197878V171000Steering2,100 vehiclesMack F, MB and 2 more models
Deficiencies, in the form of forging laps, cracks and excessive decarburization during heat treatment, exist in the steering knuckles.
- Apr 4, 197878V068000Service brakes, air9,700 vehiclesMack DM, DMM and 11 more models
An axle "no brake" condition could result from an eaton controller internal electrical malfunction.