# Service bulletin No. 109\-21\-1

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: 10235368
- Published by NHTSA: 2023\-05\-03
- Manufacturer's number: No. 109\-21\-1
- Manufacturer's date: 2023\-04\-03
- NHTSA component: SUSPENSION

## NHTSA's summary

Symptom based workshop manual involving a clicking noise from the area of the front axle \- observe specified procedure

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235368-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235368-9999.pdf)

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

## Components

Suspension

## Vehicles listed

- 2014 PORSCHE 911

## 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
- [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
- [No. D781](/bulletins/11032393.md), 2026-05-07, Service bulletin: SUSPENSION. Parts information for parts withdrawal involving \(992513031K\) Shock absorber \(spring cyl.\). The vehicles affected are ones that use the part number mentioned.
- [No. D757](/bulletins/11029108.md), 2026-03-02, Service bulletin: SUSPENSION. Parts information for parts withdrawal involving the retaining spring. The vehicles affected are cars that use part number 95C615269E
- [D707](/bulletins/11015104.md), 2025-03-05, Service bulletin: SUSPENSION. Parts Information \- Parts Withdrawal \- Shock Absorbers \(99133305324\)
- [No. D705.1](/bulletins/11012557.md), 2025-01-07, Service bulletin: POWER TRAIN; SUSPENSION. Parts information for parts withdrawal for information on the cardan shaft and shock absorber. The vehicles affected are cars that use part numbers 958521101, 958521101A, 9J1413031G
- [No. D705](/bulletins/11012556.md), 2025-01-07, Service bulletin: SUSPENSION; POWER TRAIN. Parts information for parts withdrawal for information on the cardan shaft and shock absorber. The vehicles affected are cars that use part numbers 958521101, 958521101A, 9J1413031G
- [No. D686](/bulletins/11003051.md), 2024-07-03, Service bulletin: SUSPENSION. Parts information for parts withdrawal involving the air spring
- [No. 89\-11](/bulletins/10209869.md), 2022-04-05, Service bulletin: SUSPENSION. Technical information \- adjust values for suspension alignment: using current values and observing specifcations.
- [No. 109\-21](/bulletins/10205963.md), 2022-01-05, Service bulletin: EQUIPMENT; WHEELS; SUSPENSION. Symptom\-based workshop manual: noise symptom, clicking sound from around the front axle. Observe specified procedure.

JSON: [/v1/bulletins/10235368](/v1/bulletins/10235368)

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