Model year record

1980 MACK U Series

4 recall campaigns on file for this model year. No owner complaints on file.

Recalls

Recall campaignNHTSA 82V019000

Steering: steering wheel/handle bar

Component
Steering: steering wheel/handle bar
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
22
Reported to NHTSA
1982-03-02
Owners notified
1982-02-24

Defect description

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.

Manufacturer remedy

DEALER WILL INSPECT AND MODIFY THE STEERING SHAFT BY PROVIDING A GREATER SLIP LENGTH IN THE STEERING DRIVE SHAFT TO ELIMINATE SLIP JOINT SEPARATION.

Recall campaignNHTSA 81V088000

Service brakes, air: controls: hand control/valve

Component
Service brakes, air: controls: hand control/valve
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
10,000
Reported to NHTSA
1981-07-08
Owners notified
1981-12-21

Defect description

THE RETAINING PIN FOR THE BRAKE CONTROL KNOB HAS BEEN MISALIGNED (OFF THE CENTER LINE OF THE VALVE PLUNGER HOLE). THIS CAUSES THE KNOB TO BE OVERSTRESSED AT THE RETAINING PIN HOLE AREA CAUSING IT TO SEPARATE FROM THE VALVE.

Manufacturer remedy

THE HOLES WILL BE RETOOLED TO PROVIDE CORRECT ALIGNMENT AND PLASTIC KNOBS WILL BE REPLACED BY KNOBS OF STRONGER MATERIAL HAVING METAL REINFORCEMENTS.

Recall campaignNHTSA 80V054000

Steering: gear box (other than rack and pinion)

Component
Steering: gear box (other than rack and pinion)
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
109
Reported to NHTSA
1980-05-06
Owners notified
1981-01-31

Defect description

THE PREFABRICATED PINCH BOLT CLAMP AT THE LOWER STEERING SHAFT LOWER YOKE MAY NOT PERFORM ADEQUATELY WHEN TIGHTENED TO SPECIFICATIONS. THE CLAMP MAY THEN DEFORM AND LOSS OF CLAMPING FORCE AND STEERING SHAFT DISENGAGEMENT MAY RESULT.

Manufacturer remedy

DEALER WILL RETROFIT WITH LOWER STEERING SHAFT LOWER YOKES THAT PROVIDE FOR INTEGRAL PINCH BOLT INSTALLATION IN PLACE OF PREVIOUS SEPARATELY FABRICATED CLAMP FOR THE PINCH BOLT.

Recall campaignNHTSA 80V052000

Parking brake: driveline: air

Component
Parking brake: driveline: air
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
9,666
Reported to NHTSA
1980-05-06
Owners notified
1980-10-20

Defect description

ON CERTAIN VEHICLES, THE KNOB THAT OPERATES THE TRACTOR PARK VALVE MAY BREAK OFF, RENDERING THE VALVE INOPERABLE.

Manufacturer remedy

DEFECTIVE KNOBS WILL BE REPLACED WITH AN IMPROVED TYPE, WITHOUT CHARGE TO OWNER.

Owner complaints

A complaint is one person's report to a federal agency. It is not a finding.

No complaints recorded for this model year.

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.