# Service bulletin No. 11\-14

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: 11026367
- Published by NHTSA: 2025\-12\-05
- Manufacturer's number: No. 11\-14
- Manufacturer's date: 2025\-11\-13
- NHTSA component: POWER TRAIN

## NHTSA's summary

Technical information for Checking Dual\-Mass Flywheel \(DMF\) on Vehicles with PDK \(11/14\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026367-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026367-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2016 PORSCHE 718 BOXSTER
- 2018 to 2025 PORSCHE 718 BOXSTER
- 2016 PORSCHE 718 CAYMAN
- 2017 to 2024 PORSCHE 718 CAYMAN
- 2026 PORSCHE 718 CAYMAN
- 2012 to 2026 PORSCHE 911
- 2012 to 2015 PORSCHE BOXSTER
- 2010 to 2011 PORSCHE BOXSTER \(987\)
- 2010 to 2015 PORSCHE CAYMAN
- 2020 PORSCHE CAYMAN
- 2010 to 2026 PORSCHE PANAMERA
- 2017 PORSCHE redundant BOXSTER
- 2020 to 2022 PORSCHE redundant BOXSTER
- 2021 to 2022 PORSCHE redundant CAYMAN

## Recalls for the same vehicles and component

- [24V343000](/recalls/nhtsa/24V343000.md), 2024-05-15: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\)
- [21V679000](/recalls/nhtsa/21V679000.md), 2021-09-01: POWER TRAIN:AXLE ASSEMBLY
- [20V381000](/recalls/nhtsa/20V381000.md), 2020-07-01: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
- [2019291](/recalls/tc/2019291.md), 2019-06-12: Powertrain
- [2019290](/recalls/tc/2019290.md), 2019-06-12: Powertrain
- [19V446000](/recalls/nhtsa/19V446000.md), 2019-06-12: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\)
- [19V445000](/recalls/nhtsa/19V445000.md), 2019-06-12: POWER TRAIN:AXLE HUBS; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
- [2014055](/recalls/tc/2014055.md), 2014-02-25: Powertrain

## Other bulletins for the same vehicles and component

- [No. 87\-26](/bulletins/11037850.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Technical Information for Rattling Noises from Around the Rear Silencer
- [No. 91\-26](/bulletins/11037847.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Technical Information for Particles/Metal Chips/Residues in Engine Oil
- [No. 103\-25\-2](/bulletins/11037837.md), 2026-10-02, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Technical Information for Need to Replace Components of the High\-Voltage Battery \- High\-Voltage Battery Control Unit / Cell module; No Mixed Installation Permitted: Observe Specified Approach
- [SY No. 72\-26](/bulletins/11037832.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Symptom\-based workshop manual for High\-Pitched “Whining” and Whistling Noises in Partial Load Operation from the Engine Area. Note that this bulletin only covers 911 Turbo S with the t\-hybrid system.
- [No. 72\-26](/bulletins/11037830.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Symptom\-based workshop manual for High\-Pitched “Whining” and Whistling Noises in Partial Load Operation from the Engine Area. Note that this bulletin covers only 911 GTS t\-hybrid models.
- [No. 37\-26](/bulletins/11037828.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of approved Porsche C40 GT engine oils
- [No. 32\-26](/bulletins/11037826.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of approved Porsche C40 GT engine oils
- [No. 31\-26](/bulletins/11037825.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
- [No. 30\-26](/bulletins/11037822.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
- [No. 29\-26](/bulletins/11037818.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils

JSON: [/v1/bulletins/11026367](/v1/bulletins/11026367)

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