Drivetrain - Rear Hub Axle Bearing Humming Noise

BRAKES
BR001-05
REVISED

Title:
HUMMING NOISE FROM REAR HUB
AXLE BEARING

Models:
'03 - '05 Corolla

February 14, 2005

TSB REVISION NOTICE:

^ March 7, 2005: Applicable Vehicles has been updated to include 2005 model year. The previous TSB should be discarded.

Introduction

Some customers may experience a humming noise from some Corolla rear axles at highway speeds. The noise can be isolated to one or both of the rear hub bearings. A replacement hub bearing is now available to improve this condition.

Applicable Vehicles

^ 2003 - 2005 model year Corolla vehicles produced BEFORE the Production Change Effective VINs shown below.





Production Change Information





Parts Information

Repair Procedure

1. Verify customer concern.

2. If present, remove and replace both rear hub bearings following the procedures outlined in the Technical Information System (TIS), 2003 - 2005 model year Corolla Repair Manual: Drive Shaft/Propeller Shaft: Rear Axle Hub & Bearing Assy.





Warranty Information

Applicable Warranty*:

This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 miles, whichever occurs first, from the vehicle's in-service date.

* Warranty application is limited to correction of a problem based upon a customer's specific complaint.