WenmarOpen by Wenmar Pro

Service bulletin No. 2403

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10252562
Published by NHTSA2024-04-03
Manufacturer's numberNo. 2403
Manufacturer's date2024-03-14
NHTSA componentSERVICE BRAKES, HYDRAULIC

NHTSA's summary

Special tools and equipment information for brake caliper pins for the 911, Boxster, and Cayman

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

Brakes

Vehicles listed
PORSCHE 718 BOXSTER2016
PORSCHE 718 CAYMAN2016
PORSCHE 718 CAYMAN2022
PORSCHE 911 CARRERA1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE BOXSTER1996
PORSCHE BOXSTER1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
PORSCHE BOXSTER2012, 2013, 2014, 2015
PORSCHE CAYMAN2005
PORSCHE CAYMAN2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
PORSCHE CAYMAN2020
PORSCHE redundant BOXSTER2017
PORSCHE redundant BOXSTER2020 to 2022
PORSCHE redundant CAYMAN2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
21V6970002021-09-08. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS; SERVICE BRAKES, HYDRAULIC:CRITICAL FASTENERS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
GR13D8002026-08-05. Service bulletin. Parts Withdrawal - 1 Set of Brake Pads for Disk Brake
GR13D7982026-08-05. Service bulletin. Parts Withdrawal - Brake Disc
No. 2309.32026-05-07. Service bulletin. Instructions on advanced technical information for 718 GTS 4.0 - Brake Booster (Power Brake) Warning in Instrument Cluster
No. D7522026-02-05. Service bulletin. Parts information for parts withdrawal involving the caliper without brake pads. The part numbers affected are in the attached PDF. The vehicles associated are cars that use the part numbers in the PDF.
No. D7492025-12-05. Service bulletin. Parts information for parts withdrawal involving the brake disc 9Y0615301AJ
No. 31-252025-08-04. Service bulletin. Technical information for a complaint Maneuvering Assistant: Implausible Standstill When Reversing
D7192025-06-02. Service bulletin. Parts information for Parts Withdrawal - 1 Set of Brake Pads for Disk Brake. Vehicles included are all cars that use part number 992698451R
No. 16-252025-05-06. Service bulletin. Symptom based workshop manual for a yellow warning message - parking brake malfunction in the instrument cluster
No. 214-212024-09-04. Service bulletin. Technical information on a complaint - brake rubbing/floating pedal pressure point/high wear on brake pads and discs/lateral runout of brake disc. replacing brake pads with race track pads
No. 214-212024-08-06. Service bulletin. Technical information for a complaint regarding the brake rubbing/floating pedal pressure point/high wear on brake pads and discs/lateral runout of brake disc. Replace brake pads with race track pads