Door Glass Run Channels Design Changes – 2017-2021 Subaru Impreza 2019-2021 Ascent

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Bulletin Number: 12-319-21; Date: 04/30/21 Page 1 of 3 SERVICE INFORMATION 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: 12-319-21 DATE: 04/30/21 APPLICABILITY: 2017-21MY Impreza 2019-21MY Ascent SUBJECT: Door Glass Run Channels- Design Changes INTRODUCTION: This Service Information Bulletin announces design changes made to the front and rear door glass run channels on the models listed above. The run channel material has been changed in specific areas to increase its rigidity, prevent deformation, optimize fitment to the door frame and sealing to the door glass when the window is fully closed. PRODUCTION CHANGE INFORMATION: This bulletin will be revised with the applicable starting VIN information when it becomes available. PART INFORMATION: • The illustrations below show the areas (A, B and C) where the run channels have been changed. 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: 12-319-21; Date: 04/30/21 Page 2 of 3 Continued… • The areas in blue shown in the cross-section views below indicate the changed locations. The red circle indicates an area where material was added. REMINDER: Always order the most up-to-date replacement parts based on the specific VIN being repaired. Description Part Number Applicability RUN CHANNEL- FRONT DOOR RIGHT 63527FL00B Impreza 4-Door RUN CHANNEL- FRONT DOOR LEFT 63527FL01B RUN CHANNEL- REAR DOOR RIGHT 63527FL02B Impreza 5-Door RUN CHANNEL- REAR DOOR LEFT 63527FL03B RUN CHANNEL- REAR DOOR RIGHT 63527FL04B Impreza 4-Door RUN CHANNEL- REAR DOOR LEFT 63527FL05B RUN CHANNEL- FRONT DOOR RIGHT 63527XC00B Ascent RUN CHANNEL- FRONT DOOR LEFT 63527XC01B RUN CHANNEL- REAR DOOR RIGHT 63527XC02C RUN CHANNEL- REAR DOOR LEFT 63527XC03C SERVICE PROCEDURE / INFORMATION: IMPORTANT REMINDERS: • Customer satisfaction and retention starts with performing quality repairs. • Whenever working with highly visible interior trim components, always use the proper tools and take all necessary precautions to protect them from becoming scratched or damaged. The service procedures for glass run channel replacement remain unchanged. Always refer to STIS 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. Bulletin Number: 12-319-21; Date: 04/30/21 Page 3 of 3 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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