The defect
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.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack | 1985, 1986 |
Components: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack | 1985 | 0 | 7 |
| Mack | 1986 | 2 | 5 |
Other power train recalls in 1986
6 of the 173 recall campaigns reported to NHTSA in 1986 concerned the power train; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 86V153000 13 Nov 1986 | HARLEY-DAVIDSON MOTOR CO. |
| 86V112000 15 Aug 1986 | SUNCHASER VANS, INC. |
| 86V092000 14 Jul 1986 | FORD MOTOR COMPANY |
| 86V045000 20 Mar 1986 | AMERICAN HONDA MOTOR CO. |
| 86V041000 11 Mar 1986 | HARLEY-DAVIDSON MOTOR CO. |
NHTSA recalls (public domain) · all recalls of 1986