Preliminary Evaluation · INTEGRAL HUB AND BEARING ASSEMBLY · Opened 2002-12-11 · Closed 2003-05-30
Investigation
Action number
PE02094
Type
Preliminary Evaluation
Open date
2002-12-11
Close date
2003-05-30
Manufacturer
Mack Trucks, Inc.
Affected makes
MACK
Affected components
SUSPENSION:FRONT:HUB
Affected model years
1998, 1999, 2001
Affected (make, year) variants
6
Summary
THE COMPANIES INVOLVED IN THIS MATTER ARE: SKF (HUB MFR), ARVINMERITOR (FRONT AXLE MFR), AND MACK (MANUFACTURER OF CLASS VIIITRACTOR/TRUCKS).SKF IDENTIFIED MANUFACTURING DEFECTS FOR SPECIFIC BUILD DATES ON FRONT AXLE HUB AND BEARINGS (WHEEL BEARINGS) SUPPLIED TO ARVINMERITOR.AS A RESULT, ARVINMERITOR NOTIFIED MACK OF AXLES SUPPLIED WITH POSSIBLE DEFECTIVE FRONT HUB ASSEMBLIES.AS A RESULT OF THAT NOTIFICATION, 998 TRUCKS ARE BEING RECALLED BY MACK FOR DEFECTIVE FRONT AXLE WHEEL BEARINGS WHICH MAY FAIL IN SUCH A WAY THAT A WHEEL SEPARATION OR WHEEL BEARING FIRE OCCURS.SEE ATTACHED SUMMARY REPORT FOR ADDITIONAL DETAILS.