Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1996 1996 Tech Service Bulletin 03-50-0230493

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ATTENTION:
GENERAL MANAGER      o      PARTS MANAGER        o
CLAIMS PERSONNEL     o      SERVICE MANAGER      o
IMPORTANT - All Service Personnel Should Read and Initial



                                                            SERVICE BULLETIN

 APPLICABILITY:                           1998 - 2003 Forester                                                   NUMBER:          03-50-02
                                          1993 - 2003 Impreza (excluding WRX)                                      DATE:          12/23/02
                                          1990 - 1999 Legacy

              SUBJECT:                    New Procedure for Replacing Rear
                                          Wheel Bearings

INFORMATION
     Ongoing studies of vehicle repairs and service procedures have helped us identify a new rear wheel
     bearing replacement procedure for the vehicles described above. Additionally, several design
     changes have been made to increase the durability of the original equipment caged ball bearings in all
     types of operating conditions.
     The installation of secondary dust shields to the axle (August 2000 vehicle production), and changes
     to the wheel bearing itself represent some of the results of continued study. The most recent
     production changes were:
             1.        Material change of the grease.
             2.        Treatment changes to the rear ball bearing & inner race.
             3.        Initial preload applied in production changed.
     These changes took place effective August 21, 2001, starting with the following VIN's:
                              Impreza                  Sedan             2*517136
                                                       Wagon             2*817579
                              Forester                                   2*735724
     To reduce the possibility of repeat premature failures, Subaru is introducing a new procedure to
     service the rear wheel bearings of the models listed above that entails replacing the rear wheel
     bearing on the vehicle.
     This new procedure will eliminate the heavy forces needed to service the rear wheel bearings that
     occur in using a hydraulic press. This smooth, low force installation eliminates the chances of
     deforming the wheel bearing housing and increases the efficiency of repair.
     Effective January 2, 2003, this new approved procedure must be used when replacing rear
     wheel bearings for any repair submitted to Subaru of America, Inc. for reimbursement.




                         C A U T I O N: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD
                                  RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS.

                   Subaru Service Bulletins are intended for use by professional technicians ONLY. They are written to inform
                   those technicians of conditions that may occur in some vehicles, or to provide information that could assist
                   in the proper servicing of the vehicle. Properly trained technicians have the equipment, tools, safety
                   instructions, and know-how to do the job correctly and safely. If a condition is described, DO NOT assume
                   that this Service Bulletin applies to your vehicle, or that your vehicle will have that condition.




Bulletin Number:03-50-02; Date: 12/22/02                                                                                            Page 1
   In addition, this repair procedure is required on retail repairs to be eligible for any Subaru
   Replacement Parts Warranty.
   A new special tool kit has been developed (supplied by Kent Moore, J-45697) to perform this
   procedure on the vehicle. The new tools are designed to work only with tapered roller bearing. The
   repair procedure is not listed in this bulletin but can be found in Subaru Service Publication Booklet
   Number MSA5TT0201. This supercedes the old booklet of MSA5TT0001.
   Subaru is also authorizing the installation of a taper roller type bearing, part number 28016AA030,
   as the replacement part on the applicable Impreza & Forester models. This taper bearing is the
   same bearing that is applicable to 99 model year & prior Legacy models.
   If you have diagnosed a failed rear wheel bearing, repair it with the new procedure and check the
   condition of the remaining side. Replace only if needed.
   The new genuine Subaru rear wheel bearings are not to be packed with grease of any kind.
   The bearing is ready to install out of the box.
   The labor operation numbers for the replacement of the rear wheel bearing and its effective parts will
   not be changed, however, the new time for one side replacement will be .8 hour and 1.5 for both
   sides.




Bulletin Number:03-50-02; Date: 12/22/02                                                        Page 2

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