{"nhtsa_id":10005526,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-03-02","date":"2003-12-18","document_id":"0300403","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"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","document":null,"url":"https://open.wenmarpro.com/bulletins/10005526","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"RX-8","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_mazda_rx-8"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}