# Service bulletin No. 54\-21

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: 10199862
- Published by NHTSA: 2021\-08\-04
- Manufacturer's number: No. 54\-21
- Manufacturer's date: 2021\-07\-23
- NHTSA component: TIRES; WHEELS

## NHTSA's summary

List of approved wheels and tires for the 992 GT3.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199862-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199862-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Tires, Wheels

## Vehicles listed

- 2021 PORSCHE 911

## Recalls for the same vehicles and component

- [24V809000](/recalls/nhtsa/24V809000.md), 2024-10-28: WHEELS:LUGS/NUTS/BOLTS/STUDS

## Other bulletins for the same vehicles and component

- [SPTL2609](/bulletins/11037868.md), 2026-10-02, Service bulletin: WHEELS; STEERING; SUSPENSION. Special Tools and Equipment Information for alignment machines \- Q3 2026 Software Spec Update Available
- [No. 64\-26\-1](/bulletins/11037856.md), 2026-10-02, Service bulletin: STEERING; WHEELS; SUSPENSION. Technical Information for Yellow Warning Message "Rear Axle Steering Has Failed" in Instrument Cluster: Replace Servo Motors for Rear Axle Steering
- [No. 35\-26](/bulletins/11037853.md), 2026-10-02, Service bulletin: WHEELS. Manufacturer's Certificate for Approval: Wheels and Tires
- [SPTL2608](/bulletins/11037083.md), 2026-09-04, Service bulletin: WHEELS; SUSPENSION; STEERING. Special Tools and Equipment Information for alignment machines \- Q2 2026 Software Spec Update Available
- [24\-26](/bulletins/11037040.md), 2026-09-04, Service bulletin: WHEELS. Manufacturer's Certificate for approved wheels and tires. Also includes model year 2024 911 S/T and GT3 Touring.
- [109/21 4407](/bulletins/11034803.md), 2026-07-08, Service bulletin: WHEELS. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure \(SY 109/21\)
- [40/26 4407](/bulletins/11034784.md), 2026-07-07, Service bulletin: WHEELS. Wheel Bolt Replacement Requirement \- Change from Wheel Bolts with Aluminum Washers to Wheel Bolts with Steel Washers \(40/26\)
- [109/21 4407](/bulletins/11034628.md), 2026-07-07, Service bulletin: WHEELS. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure \(SY 109/21\)
- [109/21 4407](/bulletins/11034627.md), 2026-07-07, Service bulletin: WHEELS. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure \(SY 109/21\)
- [109/21 4407](/bulletins/11034598.md), 2026-07-07, Service bulletin: WHEELS. Noise Symptom – Clicking Noises from the Area of the Front Axle: Observe Specified Procedure \(SY 109/21\)

JSON: [/v1/bulletins/10199862](/v1/bulletins/10199862)

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