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Service bulletin 03-002-17-3394

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 id10188487
Published by NHTSA2021-03-08
Manufacturer's number03-002-17-3394
Manufacturer's date2017-11-20
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:MOUNTING PLATE/FLANGE; EQUIPMENT

NHTSA's summary

Some vehicles may exhibit an oil leak from the companion flange area (A) of the transfer unit. This concern may be caused by companion flange oil seal wear. The oil seal has been improved to increase the wear resistance.

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

Engine, Equipment and accessories, Fuel system, Engine oil and lubrication, Fuel pump

Vehicles listed
MAZDA CX-52013, 2014, 2015, 2016

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

Other bulletins for the same vehicles and component
01-010-142016-04-12. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-01-010-142014-08-26. Service bulletin. MAZDA: DUE TO HIGH PRESSURE FUEL PUMP NOT GENERATING TARGET FUEL PRESSURE, CAUSED BY MANUFACTURING ERROR, THE CHECK ENGINE LIGHT COMES ON. MODEL 2012-2014. *PE