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Service bulletin TI-4-14

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10055360
Published by NHTSA2014-05-13
Manufacturer's numberTI-4-14
Manufacturer's date2014-03-21
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

NHTSA's summary

PORSCHE: INFORMATION PERTAINING TO A VOLUNTARY WORKSHOP CAMPAIGN TO REPLACE THE RETURN LINE ON THE CLUTCH MASTER CYLINDER. MODELS INCLUDE: 911 CARRERA (991)/ 911 CARRERA S (991)/ 911 CARRERA 4 (991)/ 911 CARRERA 4S (991). MODEL YEAR: 2013. *JS

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Brake master cylinder

Vehicles listed
PORSCHE 911 CARRERA2013 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA 42013 (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.