NHTSA Campaign 86V005000

POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

Issued by MACK TRUCKS, INCORPORATED · Reported Jan 14, 1986 · 484 vehicles affected

What's wrong

INCORRECT INNER WHEEL BEARINGS WERE INSTALLED IN THE REAR AXLES WHICH WEARS A GROOVE IN THE SPINDLE DUE TO A POOR FIT. CONSEQUENCE OF DEFECT: A DEEP GROOVE COULD CAUSE THE AXLE HOUSING TO BREAK AND RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING.

Remedy

REPLACE INNER WHEEL BEARING WITH CORRECT BEARING. ALSO, IF A GROOVE IS PRESENT, REMOVE THE GROOVE AND ASSURE THAT NO CRACKS ARE PRESENT. REPLACE HOUSING IF CRACKED.

Vehicles affected by this recall

Make Model Year Units
MACK MACK 1985 484
MACK MACK 1986 484

Source: NHTSA Campaign 86V005000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.