Service bulletin 109/21 4407
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11034598 |
| Published by NHTSA | 2026-07-07 |
| Manufacturer's number | 109/21 4407 |
| Manufacturer's date | 2026-06-02 |
| NHTSA component | WHEELS |
| Manufacturer's system | Wheel: Center wheel lock |
NHTSA's summary
Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure (SY 109/21)
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Wheels
| PORSCHE 911 | 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 |
|---|---|
| PORSCHE 911 4S | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA | 2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA | 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4 GTS | 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4S | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA GTS | 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA S | 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA S | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA T | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 DAKAR | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT2 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT2 RS | 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 | 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 | 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 | 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 RS | 2016 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 RS | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 RS | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 TOURING | 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 R | 2016 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4 | 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4S | 2014 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4S | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA GTS | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TURBO | 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TURBO S | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2024646 | 2024-10-28. Wheels |
|---|---|
| 24V809000 | 2024-10-28. WHEELS:LUGS/NUTS/BOLTS/STUDS |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| SPTL2609 | 2026-10-02. Service bulletin. Special Tools and Equipment Information for alignment machines - Q3 2026 Software Spec Update Available |
|---|---|
| No. 64-26-1 | 2026-10-02. Service bulletin. Technical Information for Yellow Warning Message "Rear Axle Steering Has Failed" in Instrument Cluster: Replace Servo Motors for Rear Axle Steering |
| No. 35-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Approval: Wheels and Tires |
| No. 34-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Approval: Wheels and Tires. Note that this bulletin covers MY25+ 911 GT3, GT3 Touring, and GT3 S/C |
| SPTL2608 | 2026-09-04. Service bulletin. Special Tools and Equipment Information for alignment machines - Q2 2026 Software Spec Update Available |
| 24-26 | 2026-09-04. Service bulletin. Manufacturer's Certificate for approved wheels and tires. Also includes model year 2024 911 S/T and GT3 Touring. |
| 23-26 | 2026-09-04. Service bulletin. Manufacturer's Certificate for approved wheels and tires |
| 109/21 4407 | 2026-07-08. Service bulletin. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure (SY 109/21) |
| 53/26 4005 | 2026-07-08. Service bulletin. Additional Test Instructions for Rim Damage on the Front Axle (53/26) |
| 40/26 4407 | 2026-07-07. Service bulletin. Wheel Bolt Replacement Requirement - Change from Wheel Bolts with Aluminum Washers to Wheel Bolts with Steel Washers (40/26) |