Defect Investigation Detail

MACK / CX / 1999

Components - Details
NHTSA Action Number: PE02094 Vehicale/Equipment Name: MACK
Vehicale/Equipment Model: CX Vehicale/Equipment Year: 1999
Component Name: SUSPENSION:FRONT:HUB Manufacturer's Name: Mack Trucks, Inc.
Date Opened: Dec, 11 2002 Date Closed: May, 30 2003
Subject: INTEGRAL HUB AND BEARING ASSEMBLY 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.