Freightliner Recall 77V121000: Wheels

NHTSA recall 77V121000 · announced August 12, 1977 · filed by Freightliner Corp. · 163 units affected

The problem

ON THE INVOLVED VEHICLES, CRACKS MAY DEVELOP AT THE BASE OF THE INNER WHEEL BEARING CUP AND PROPAGATE CIRCUMFERENTIALLY AROUND THE BARREL OF THE HUB. A FRACTURE BETWEEN THE INNER HUB END AND THE FLANGE PORTION OF THE HUB COULD EVENTUALLY DEVELOP. FAILURE COULD OCCUR CAUSING HUB SEPARATION. CONTINUED OPERATION AFTER HUB SEPARATION HAS OCCURRED COULD RESULT IN LOCK-UP OF BRAKE ASSEMBLY, EXCESSIVE HEAT GENERATION DUE TO BRAKE LINING TO DRUM CONTACT, AND PROGRESSIVE DAMAGE TO THE HUB, CAUSING THE SEPARATED HUB WITH THE WHEEL AND TIRE TO DISENGAGE FROM THE TRUCK.

What to do

DEALER WILL REPLACE THE ALUMINUM HUBS WITH STEEL HUB, CUP AND STUD ASSEMBLIES, WITHOUT CHARGE TO OWNER.

Official NHTSA recall notice →

Notes

VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH FF-931 FRONT STEERING AXLES AND MOTORWHEEL CORPORATION ALUMINUM HUBS.SYSTEM: SUSPENSION; WHEELS.CONSEQUENCES OF DEFECT: EITHER HUB FAILURE OR COMPLETE SEPARATION OF THE WHEELASSEMBLY COULD CAUSE LOSS OF VEHICLE CONTROL AND AN ACCIDENT.NOTE: DRIVER MAY HEAR A SOUND THE INSTANT THE HUB SEPARATES, ALONG WITHTHUMPING AND WHEEL WOBBLE.

Vehicles covered by this recall

• 1976 Freightliner Freightliner
• 1977 Freightliner Freightliner

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.