NHTSA ID Number: 11005364
Manufacturer Communication Number: TSB_CHA121_R1
TSB/Document Date: 2024-07-31
Summary
TECHNICAL SERVICE BULLETIN: FRONT STRUT BEARING & SPRING PAD REPLACEMENT - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to replace the front strut bearing and upper spring pad on both front (LH and RH) strut assemblies on certain 2019-2024MY Forte (BDm) vehicles produced from July 09, 2018 through present, 2020-2024MY Soul (SK3) vehicles produced from November 15, 2018 through present, and 2021-2024 Seltos (SP2) vehicles produced from November 20, 2019 through present. The affected vehicles may exhibit an intermittent noise when turning the steering wheel both when driving and when the vehicle is not in motion.
GROUP
MODEL
CHA
2019-2024MY
Multiple Models
NUMBER
DATE
121 (Rev 1, 7/26/2024)
January 2024
TECHNICAL SERVICE BULLETIN
SUBJECT:
FRONT STRUT BEARING & SPRING PAD REPLACEMENT
NOTICE
This bulletin has been revised to include additional information. New/revised sections of this
bulletin are indicated by a black bar in the margin area.
This bulletin provides information to replace the front strut bearing and upper spring pad on both front (LH
and RH) strut assemblies on certain 2019-2024MY Forte (BDm) vehicles produced from July 09, 2018 through
present, 2020-2024MY Soul (SK3) vehicles produced from November 15, 2018 through present, and 20212024 Seltos (SP2) vehicles produced from November 20, 2019 through present. The affected vehicles may
exhibit an intermittent noise when turning the steering wheel both when driving and when the vehicle is not
in motion. Follow the procedure outlined in this publication to replace both front (LH and RH) strut bearing
and upper spring pad on the applicable vehicle.
MY
Model
Production Date
2019-2024
Forte (BDm)
All
2020-2024
Soul (SK3)
All
2021-2024
Seltos (SP2)
All
NOTICE
A Technical Service Bulletin is a field fix repair program without customer notification that may be
performed during the warranty period. Any dealer requesting to perform this repair outside the
warranty period will require DPSM approval.
A printed copy is for reference only; publication information can be updated at any time.
Always refer to KGIS for the latest information. After logging in kdealer.com, the newest technical
publications are listed in ‘Service Releases’ and has the latest service information that has been released.
Page 2 of 3
SUBJECT:
FRONT STRUT BEARING & SPRING PAD REPLACEMENT
Replacement Procedure:
1.
Remove the front strut assembly (A), both left
and right side, by referring to “Suspension
System → Front Suspension System → Front
Strut Assembly/Front Strut Complete → Repair
Procedures (Removal and Installation)” in the
A
shop manual on KGIS.
2.
Disassemble one of the front strut assemblies
(A) by referring to “Suspension System → Front
B
Suspension System → Front Strut Complete →
Repair Procedures (Disassembly)” in the shop
manual on KGIS.
A
Note: SST 09546 3X100 is required to loosen
the self locking nut (B). DO NOT reuse the
removed locking nut (discard after removal).
3.
Replace the strut bearing (C) and the spring
pad (D) with the new parts.
B
Note: INSTALL a ‘new’ locking nut (B).
Tightening torque for locking nut (B):
39.8 – 54.2 lb.ft (53.9 – 73.5 N.m)
4.
Repeat steps 2-3 for the opposite side strut.
5.
Reassemble all removed parts in the reverse
C
D
order of removal.
6.
Confirm normal vehicle operation and that the
noise is no longer present when turning the
steering wheel.
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: CHA121 (Rev 1) Multiple Models January 2024
Page 3 of 3
FRONT STRUT BEARING & SPRING PAD REPLACEMENT
SUBJECT:
AFFECTED VEHICLE RANGE:
Model
Production Date Range
Forte (BDm)
July 09, 2018 to Present
Soul (SK3)
November 18, 2018 to Present
Seltos (SP2)
November 20, 2020 to Present
REQUIRED TOOL:
Tool Name
Part Number
Shock Absorber Lock Nut
Figure
09546 3X100
Removal Tool
REQUIRED PART:
Part Name
Part Number
Figure
Qty.
Spring Pad
54623 F1000FFF
2
Strut Bearing
54612 C1000
2
Self Locking Nut
54559 D1000
2
WARRANTY INFORMATION:
N Code: Q55 C Code: ZZ2
Model
Claim
Type
Causal P/N
Qty.
Repair
Labor Op
Op
Replacement
Description
Code
Time
P/N
SK3
54612F00
1.6
M/H
W
54612
C1000
2
Upper Spring Pad +
and
Locking Nut
Replacement
54623
F1000FFF
Front Strut Bearing +
BDm
Qty.
54612F01
2
1.3
M/H
54559 D1000
SP2
Note: Additional replacement parts/labor are not covered under this TSB. Normal claim submission guidelines
must be followed if additional parts are found to be damaged or rendered unusable.
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.
TSB: CHA121 (Rev 1) Multiple Models January 2024
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: TSB_CHA121_R1
Replacement Service Bulletin Number:
MFR Communication Date: 2024-07-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SUSPENSION
MFR Component System: CHA
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS
, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA
AutoAuth: Now supports FCA
SGW module for Chrysler
, for Jeep
, for Dodge
(2018+), for Fiat
(2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for Ford
, for Lincoln
, and for Mazda
ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order - 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS
Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS
Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first - Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW
, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford
, for Mazda
, and for Lincoln
. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase - OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
Last update on 2026-06-30 / Affiliate links / Images from Amazon Product Advertising API
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS
/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS
/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities. - 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS
Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming. - 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.




