MACK RB 1989: STEERING:GEAR BOX:SHAFT SECTOR

Make : MACK Model : RB Year : 1989
Build Dates : 1989-06-01 - 1989-08-01
NHTSA CAMPAIGN ID Number : 90V052000
Date Owner's Notified: 1990-06-14 Date Received by ODI: 1990-03-16 Date Added to Database: 1990-03-28
Manufacturers Involved: Mack Trucks, Inc.
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: STEERING:GEAR BOX:SHAFT SECTOR
Potential Number Of Units Affected : 267
Summary:
      INTERFERENCE BETWEEN STEERING GEAR SECTOR SHAFT AND THE FRAME RAIL THROUGH HOLE CAN CAUSE SECTOR SHAFT WEAR AND CAN WEAKEN SHAFT CAUSE IT TO BREAK.
Consequence:
      SHAFT FAILURE DURING VEHICLE OPERATION WOULD CAUSE LOSS OF STEERING CONTROL AND A CRASH WITHOUT PRIOR WARNING.
Remedy:
      ENLARGE FRAME RAIL THROUGH HOLE TO PREVENT INTERFERENCE: REPLACE STEERING GEAR SECTOR SHAFT IF SCORED.
Report Initiator: MFR V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      SYSTEM: STEERING GEAR SECTOR SHAFT.VEHICLE DESCRIPTION: HEAVY-DUTY TRUCKS.