NHTSA Campaign 79V017000

SUSPENSION:MULTIPLE AXLE

Issued by MACK TRUCKS, INCORPORATED · Reported Jan 12, 1979 · 4,000 vehicles affected

What's wrong

A CASTING DEFICIENCY EXISTS IN THE LOWER SECTION OF THE CAPS RESULTING IN A REDUCTION IN THE THICKNESS OF THE MATERIAL. FAILURE OF A CAP CAN ALLOW THE END OF THE REAR SPRING TO DETACH FROM THE AXLE HOUSING.

Remedy

DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ANY OF THE SPRING INSULATOR CAPS FOUND TO BE DEFECTIVE. THIS WILL BE DONE AT NO COST TO OWNER.

Vehicles affected by this recall

Make Model Year Units
MACK DM 1977 4,000
MACK DM 1978 4,000
MACK R 1977 4,000
MACK R 1978 4,000
MACK RD 1977 4,000
MACK RD 1978 4,000
MACK U 1977 4,000
MACK U 1978 4,000

Source: NHTSA Campaign 79V017000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.