MACK UNSPECIFIED 1986: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
NHTSA Campaign ID Number: 86V005000
| Make | Model | Year |
|---|---|---|
| MACK | UNSPECIFIED | 1986 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1986-02-03 | 1986-01-14 | 1986-01-21 |
Production Dates: 1985-06-01 - 1985-12-01
Manufacturers Involved: Mack Trucks, Inc.
Component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
Potential Number Of Units Affected: 484
Report Initiator: MFR MFR Report
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.
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.
SYSTEM: REAR AXLE INNER BEARING.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH MACK SS440C OR SW440C REAR AXLE.
