Metallic Rattle Sound While Operating Horn

NHTSA ID Number: 10215428

Manufacturer Communication Number: 07-208-22

Summary

This Service Information Bulletin announces the work procedure for the passenger side horn.

NUMBER: 07-208-22
DATE: 06/27/22

INTRODUCTION:

This Service Information Bulletin announces the work procedure for the passenger side horn. A customer may experience a “metallic rattle” sound when operating the horn. This may be caused by a resonating frequency within an excessive clearance between the passenger side horn mount and the body of the vehicle during operation. If this sound is duplicated, reposition the horn as per the procedure outlined below.

SERVICE PROCEDURE / INFORMATION:

REMINDER: Customer satisfaction and retention starts with performing quality repairs.

STEP 1: Refer to the applicable Service Manual and review: General Description > Repair Contents > Action required before & after Battery Disconnect. Additionally, record any stored seat position(s) before proceeding. Relearn any seat position memory after work is complete.

STEP 2: CAREFULLY disconnect the ground cable terminal connection to the battery sensor.

STEP 3: Remove the clips and screw indicated in the photo below. Pull the front section of the passenger side front under cover down to gain access the horn area.

STEP 4: Disconnect the electrical connection to the horn and secure it free from the work area.

STEP 5: Loosen the horn mounting bolt approximately one full turn.

STEP 6: While applying slight pressure to the horn to ensure there is no clearance between the horn bracket and the vehicle body, Tighten the horn mounting bolt approximately one full turn.

STEP 7: Reconnect the electrical connection to the horn and reinstall the passenger side front under cover

STEP 8: Reconnect the ground cable terminal connection to the battery sensor, torque to 7.5Nm (5.5ft.-lbs. or 66inch-lbs.) while supporting the sensor with the other hand as outlined in the applicable Service Manual under: STARTING/CHARGING SYSTSEMS > Battery Sensor.

STEP 9: Perform a function test of the horn and confirm there is no “metallic rattle” sound present during operation.

1 Affected Product

Vehicle

MAKE	MODEL	YEAR

SUBARU	WRX	2022

1 Associated Document

Manufacturer Communications

NUMBER: 07-208-22
DATE: 06/27/22

https://www.nhtsa.gov/recalls?nhtsaId=10215428

MC-10215428-0001.pdf 3069.084KB

⬇ Download PDF (2.93 MB)

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SEOCONTENT-START

Bulletin Number: 07-208-22; Date: 06/27/22 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: 07-208-22 DATE: 06/27/22 APPLICABILITY: 2022MY WRX SUBJECT: Metallic Rattle Sound While Operating Horn INTRODUCTION: This Service Information Bulletin announces the work procedure for the passenger side horn. A customer may experience a “metallic rattle” sound when operating the horn. This may be caused by a resonating frequency within an excessive clearance between the passenger side horn mount and the body of the vehicle during operation. If this sound is duplicated, reposition the horn as per the procedure outlined below. SERVICE PROCEDURE / INFORMATION: REMINDER: Customer satisfaction and retention starts with performing quality repairs. STEP 1: Refer to the applicable Service Manual and review: General Description > Repair Contents > Action required before & after Battery Disconnect. Additionally, record any stored seat position(s) before proceeding. Relearn any seat position memory after work is complete. STEP 2: CAREFULLY disconnect the ground cable terminal connection to the battery sensor. STEP 3: Remove the clips and screw indicated in the photo below. Pull the front section of the passenger side front under cover down to gain access the horn area. 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. ©2022 Subaru of America, Inc. All rights reserved. Bulletin Number: 07-208-22; Date: 06/27/22 Page 2 of 3 Continued… STEP 4: Disconnect the electrical connection to the horn and secure it free from the work area. STEP 5: Loosen the horn mounting bolt approximately one full turn. STEP 6: While applying slight pressure to the horn to ensure there is no clearance between the horn bracket and the vehicle body, Tighten the horn mounting bolt approximately one full turn. STEP 7: Reconnect the electrical connection to the horn and reinstall the passenger side front under cover STEP 8: Reconnect the ground cable terminal connection to the battery sensor, torque to 7.5Nm (5.5ft.-lbs. or 66inch-lbs.) while supporting the sensor with the other hand as outlined in the applicable Service Manual under: STARTING/CHARGING SYSTSEMS > Battery Sensor. STEP 9: Perform a function test of the horn and confirm there is no “metallic rattle” sound present during operation. Bulletin Number: 07-208-22; Date: 06/27/22 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.