4-26-20

ATTENTION:
GENERAL MANAGER
q
PARTS MANAGER
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CLAIMS PERSONNEL
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IMPORTANT - All
Service Personnel
Should Read and
Initial in the boxes
provided, right.
SERVICE MANAGER
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© 2020 Subaru of America, Inc. All rights reserved.
SERVICE INFORMATION BULLETIN
APPLICABILITY:
SUBJECT:
2015-20MY WRX STI
Steering Rack Assembly- Design Change
NUMBER: 04-26-20 		
DATE: 12/03/20
INTRODUCTION:
This Service Information Bulletin describes a design change to the replacement hydraulic-type
steering gearbox (rack) assembly. The change was made to enhance efficiency during vehicle
assembly.
PRODUCTION CHANGE INFORMATION:
The new steering gearbox assemblies were incorporated at the start of 2021MY vehicle production.
PART INFORMATION:
A plastic “Guide Chip” was added to the input shaft of the assembly to expedite proper spline
alignment with the steering shaft during assembly as shown in the illustration below. When replacing
the gearbox assembly in the field with one of these new parts (p.n. 34110VA132 or 34110VA141),
remove the guide chip before installation.
REMINDER: Always order the most up-to-date replacement parts based on the specific VIN being
repaired.
CAUTION: 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.
Subaru of America, Inc. is
ISO 14001 Compliant
ISO 14001 is the international standard for
excellence in Environmental Management
Systems. Please recycle or dispose of
automotive products in a manner that is friendly
to our environment and in accordance with all
local, state and federal laws and regulations.
Continued...
Bulletin Number: 04-26-20; Date: 12/03/20
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SERVICE PROCEDURE / INFORMATION:
REMINDER: Customer satisfaction and retention starts with performing quality repairs.
Other than removal of the guide chip, the service procedures for steering gearbox replacement remain
unchanged. Always refer to the applicable Service Manual and review the full requirements of the
repair being performed. The Service Manual procedures contain information critical to performing
an effective repair the first time, every time. This includes but is not limited to important SAFETY
precautions, inspection criteria, necessary special tools, required processes and related one-time-use
parts needed for a complete and lasting repair.
IMPORTANT REMINDERS:
•
SOA strongly discourages the printing and/or local storage of service information as previously
released information and electronic publications may be updated at any time.
•
Always check for any open recalls or campaigns anytime a vehicle is in for servicing.
•
Always refer to STIS for the latest service information before performing any repairs.
Bulletin Number: 04-26-20; Date: 12/03/20
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