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Service bulletin 0300403

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 id10005526
Published by NHTSA2004-03-02
Manufacturer's number0300403
Manufacturer's date2003-12-18
NHTSA componentPOWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

NHTSA's summary

THE MANUAL FOR THE RX8 RECOMMENDS USING API SERVICE GL-5 SAE-90 OIL FOR DIFFERENTIAL LUBRICATION. GL-5 SAE-90 OIL IS NOT EASILY FOUND IN THE NORTH AMERICA. THE OILS HAVE BEEN TESTED AND APPROVED FOR USE IN THE RX8 WITH NO LOSS OF PERFORMANCE OR INCREASE IN NOISE. *MN

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

Transmission and driveline, Differential

Vehicles listed
MAZDA RX-82004

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