NHTSA ID Number: 10235920
Manufacturer Communication Number: 1215613
Summary
Rattling Sound from Seat Belt Buckle
NUMBER: 12-156-13
DATE: 10/08/13
| APPLICABILITY: | 2013-14MY BRZ |
|---|---|
| SUBJECT: | Rattling Sound from Seat Belt Buckle |
INTRODUCTION
This bulletin provides a repair procedure to address customer concerns of a rattling sound coming from the point where the seat belt buckle is attached to the seat frame. The sound may be heard from either seat on acceleration, deceleration or going over bumps. The sound is more prevalent when the seat belt is buckled but in rare cases, can occur when the belt is unbuckled. The service procedure involves removal of a toothed washer and replacing it with a spring wave washer.
COUNTERMEASURE IN PRODUCTION
The new spring wave washer was incorporated into production during August, 2013 starting with VIN E*600716.
PART INFORMATION
The new spring wave washer is available by ordering part number 64168CA200.
SERVICE PROCEDURE / INFORMATION
After confirming the condition, remove affected seat assembly from the vehicle following the procedure in the applicable Service Manual.
- Remove the buckle assembly from the seat then remove the toothed washer from the shouldered mounting stud. Photos of the new spring wave washer and the old toothed washer are provided for reference below.
![]() | ![]() |
| NEW p.n. 64168CA200, Spring Wave Washer | OLD toothed washer |
- Put the new spring wave washer onto the shoulder of the mounting stud in place of the removed toothed washer.
- Re-install the buckle assembly onto the mounting stud making sure the spring wave washer stays on the shoulder properly as shown in the photo below, left. The photo below, right shows the spring wave washer unseated from the mounting stud shoulder.

- Install the retaining nut and torque to 42 +/- 8.4 Nm (31 +/- 6.2 ft. lbs.).
- Reinstall the seat assembly.
- Road test the vehicle to confirm the rattling sound has been repaired.
2 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| SUBARU | BRZ | 2013-2014 |
1 Associated Document
Manufacturer Communications
NUMBER: 12-156-13
DATE: 10/08/13
MC-10235920-9999.pdf 473.181KB
NHTSA ID Number: 10068610
Manufacturer Communication Number: 12-156-13
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Service Bulletin Document
NUMBER: 12-156-13
DATE: 10/08/13
SB-10068610-0699.pdf 473.181KB
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SEOCONTENT-START
Bulletin Number: 12-156-13; Date: 10/08/13 Page 1 INTRODUCTION This bulletin provides a repair procedure to address customer concerns of a rattling sound coming from the point where the seat belt buckle is attached to the seat frame. The sound may be heard from either seat on acceleration, deceleration or going over bumps. The sound is more prevalent when the seat belt is buckled but in rare cases, can occur when the belt is unbuckled. The service procedure involves removal of a toothed washer and replacing it with a spring wave washer. COUNTERMEASURE IN PRODUCTION The new spring wave washer was incorporated into production during August, 2013 starting with VIN E*600716. PART INFORMATION The new spring wave washer is available by ordering part number 64168CA200. SERVICE PROCEDURE / INFORMATION After confirming the condition, remove affected seat assembly from the vehicle following the procedure in the applicable Service Manual. โข Remove the buckle assembly from the seat then remove the toothed washer from the shouldered mounting stud. Photos of the new spring wave washer and the old toothed washer are provided for reference below. NUMBER: 12-156-13 DATE: 10/08/13 APPLICABILITY: 2013-14MY BRZ SUBJECT: Rattling Sound from Seat Belt Buckle SERVICE BULLETIN 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. 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 โISO 14001 COMPLIANTโ 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. NEW p.n. 64168CA200, Spring Wave Washer OLD toothed washer Bulletin Number: 12-156-13; Date: 10/08/13 Page 2 โข Put the new spring wave washer onto the shoulder of the mounting stud in place of the removed toothed washer. โข Re-install the buckle assembly onto the mounting stud making sure the spring wave washer stays on the shoulder properly as shown in the photo below, left. The photo below, right shows the spring wave washer unseated from the mounting stud shoulder. โข Install the retaining nut and torque to 42 +/- 8.4 Nm (31 +/- 6.2 ft. lbs.). โข Reinstall the seat assembly. โข Road test the vehicle to confirm the rattling sound has been repaired. WARRANTY / CLAIM INFORMATION For vehicles within the Basic New Car Limited Warranty period, this repair may be claimed using the following information: LABOR DESCRIPTION LABOR OPERATION # FAIL CODE LABOR TIME Front Seat Belt Inner Assembly ONE R&R A913-733 YFQ-48 0.3 Front Seat Belt Inner Assembly BOTH R&R A913-734 0.5 OK N/G
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