Does the 1976 Mack U have any recalls?

3 recalls found in NHTSA data as of September 22, 2026, covering: service brakes, air, suspension, engine and engine cooling. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 1976 Mack U recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mack dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 1976 Mack U?

0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

1976 Mack U recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

3 recalls found in NHTSA data as of September 22, 2026

For the 1976 Mack U. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

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.

Check your VIN with NHTSA

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.

1976 Mack U recalls, newest first

April 4, 1978NHTSA 78V0680009,700 vehicles potentially affected

Service brakes, air › Antilock › Control unit/module

Summary: An axle "no brake" condition could result from an eaton controller internal electrical malfunction. This condition may cause the anti-wheel lock valve solenoid to be continuously energized and prevent the brakes from being applied on one of the axles. As a result, the anti-wheel lock warning lamp is not activated.
Remedy: The dealer will inspect and, if necessary, replace the anti-wheel lock controller without charge to owner.

This recall on nhtsa.gov

February 9, 1978NHTSA 78V03100033,000 vehicles potentially affected

Suspension › Multiple axle

Summary: The tee bracket, which is mounted on the front axle of the bogie, may fail due to vibration brought on by road surface irregularities. Bracket failure would leave the tee bracket unsupported and cause broken hose connector fittings. This would result in automatic application of the spring emergency brakes.
Remedy: The dealer will replace the defective bracket with a redesigned version.

This recall on nhtsa.gov

October 12, 1977NHTSA 77V17300048,000 vehicles potentially affected

Engine and engine cooling › Cooling system › Fan

Summary: The flex blade fans on the involved vehicles may develop cracks in the laminated stiffener as a result of fatigue during operation. If such a condition exists and the cracks go undetected, continued operation could cause pieces of the stiffener to break off.
Remedy: Dealer will replace the original fan with a steel fixed blade fan, free of charge.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 1976 Mack U were found in NHTSA’s complaint data.

Other Mack U years

Other 1976 Mack models

Questions

Does the 1976 Mack U have any recalls?: 3 recalls found in NHTSA data as of September 22, 2026, covering: service brakes, air, suspension, engine and engine cooling. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 1976 Mack U recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Mack dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 1976 Mack U?: 0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.