{"nhtsa_id":52498,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-08-14","date":"1997-05-19","document_id":"004/97B","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"PARTIAL ENGINE REPLACEMENT (PCV SYSTEM MODIFICATION). *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/52498","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"egr-valve","name":"EGR valve","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"626","year_from":1993,"year_to":1996,"match":"exact","vehicle_ids":["1993_mazda_626","1994_mazda_626","1995_mazda_626","1996_mazda_626"]},{"make":"MAZDA","model":"MILLENIA","year_from":1995,"year_to":1996,"match":"exact","vehicle_ids":["1995_mazda_millenia","1996_mazda_millenia"]},{"make":"MAZDA","model":"MX-3","year_from":1994,"year_to":1996,"match":"exact","vehicle_ids":["1994_mazda_mx-3","1995_mazda_mx-3","1996_mazda_mx-3"]},{"make":"MAZDA","model":"MX-6","year_from":1993,"year_to":1994,"match":"exact","vehicle_ids":["1993_mazda_mx-6","1994_mazda_mx-6"]},{"make":"MAZDA","model":"MX-6","year_from":1995,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"MAZDA","model":"MX-6","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_mazda_mx-6"]},{"make":"MAZDA","model":"MX3","year_from":1992,"year_to":1993,"match":"exact","vehicle_ids":["1992_mazda_mx-3","1993_mazda_mx-3"]}],"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":[]}