Model year record

1978 MACK MC 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 81V083000

Structure: body

Component
Structure: body
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
180
Reported to NHTSA
1981-07-07
Owners notified
1982-02-26

Defect description

THE RIGHT HAND FRONT CANOPY CAB MOUNTING BRACKET INTERFERES WITH THE RIGHT HAND BRAKE CHAMBER ON THE STEERING AXLE WHEN IN A CERTAIN DEGREE TURN AND SEVERE BUMPING IS PRESENT.

Manufacturer remedy

THE FRONT CANOPY CAB MOUNTING BRACKET WILL BE MODIFIED TO ALLOW FOR CLEARANCE OF THE RIGHT HAND FRONT BRAKE CHAMBER, 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.