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Service bulletin 9004028

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 id10162467
Published by NHTSA2019-07-15
Manufacturer's number9004028
Manufacturer's date2019-05-08
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

NHTSA's summary

MASTER CYLINDER, Brake Prior to replacing master cylinder, please call Paul Kuehl at (248) 535 -7013 and/or Tim Parks at (248) 202-0919. If no response in 15 minutes, proceed with repair.

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, Brake master cylinder

Vehicles listed
DODGE DURANGO2018, 2019
JEEP GRAND CHEROKEE2018, 2019

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