Metallic Rattle Sound While Operating Horn – 2017-2021 Subaru WRX

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Bulletin Number: 07-200-21; Date: 09/13/21 Page 1 of 3 SERVICE BULLETIN Continued… 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. NUMBER: 07-200-21 DATE: 09/13/21 APPLICABILITY: 2017-21MY WRX SUBJECT: Metallic Rattle Sound While Operating Horn INTRODUCTION: This bulletin announces the design changes to the right front wheel apron. A customer may experience a “metallic rattle” sound when operating the horn. This can be the passenger side horn mount making contact with the wheel apron creating a vibration/sound. The new apron has an added indentation to providing needed clearance for the horn. There has also been a horn stopper removed from the apron to allow additional clearance as well. PRODUCTION CHANGE INFORMATION: • Vehicles produced as of January 2020 will have the added indentation. • Vehicles produced as of August 2021 will have the added indentation and the deleted horn stopper. PART INFORMATION: HORN MOUNTING POINT ADDED INDENTATION ATTENTION: GENERAL MANAGER q PARTS MANAGER q CLAIMS PERSONNEL q SERVICE MANAGER q IMPORTANT – All Service Personnel Should Read and Initial in the boxes provided, right. ©2021 Subaru of America, Inc. All rights reserved. Bulletin Number: 07-200-21; Date: 09/13/21 Page 2 of 3 Continued… DELETED HORN STOPPER SERVICE PROCEDURE / INFORMATION: On vehicles produced prior to these design changes, the rattle/noise can be repaired by applying pressure to the passenger side horn mount. Doing so will insure proper clearance between the horn mount and the wheel apron. This is performed by hand with the passenger front under cover removed. STEP 1) Refer to the applicable Subaru Service Manual: Body & Electrical > EXTERIOR/ INTERIOR TRIM > Front Under Cover. WHEEL APRON HORN W/ MOUNT STEP 2) Slightly reposition the left horn mount towards the front of the vehicle. Use CAUTION not to apply excessive force causing damage to the mount. Function test the horn to in after adjustments to confirm there is no rattle/vibration sound during operation. STEP 3) Reinstall all parts in the reverse order of disassembly. End of Procedure Bulletin Number: 07-200-21; Date: 09/13/21 Page 3 of 3 WARRANTY / CLAIM INFORMATION: For vehicles within the Basic New Car Limited Warranty period, this repair may be submitted using the following claim information: Labor Description Labor Operation # Labor Time Fail Code B860-121 Horn R&R 0.3 UAW-29 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.

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