Model year record

1979 MACK F Series

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

Recalls

Recall campaignNHTSA 84V036000

Suspension: rear: springs: leaf spring assembly

Component
Suspension: rear: springs: leaf spring assembly
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
3,421
Reported to NHTSA
1984-03-23

Defect description

SPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.

Manufacturer remedy

THE AXLE HOUSING WILL BE INSPECTED AND REPLACED, IF NECESSARY. THE SPRING SEATS WILL ALSO BE REPLACED.

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.

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.