Metallic Rattle Sound While Operating Horn – 2022 Subaru WRX

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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

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Last update on 2024-06-18 / Affiliate links / Images from Amazon Product Advertising API

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