{"nhtsa_id":46704,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1996-04-25","date":"1995-12-01","document_id":"013/95","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CYLINDER HEAD GASKET MODIFICATION. *SD","document":null,"url":"https://open.wenmarpro.com/bulletins/46704","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"B SERIES","year_from":1989,"year_to":1989,"match":"exact","vehicle_ids":["1989_mazda_b-series"]},{"make":"MAZDA","model":"B-SERIES TRUCK","year_from":1990,"year_to":1993,"match":"base","vehicle_ids":["1990_mazda_b-series","1991_mazda_b-series","1992_mazda_b-series","1993_mazda_b-series"]},{"make":"MAZDA","model":"MPV","year_from":1989,"year_to":1996,"match":"exact","vehicle_ids":["1989_mazda_mpv","1990_mazda_mpv","1991_mazda_mpv","1992_mazda_mpv","1993_mazda_mpv","1994_mazda_mpv","1995_mazda_mpv","1996_mazda_mpv"]}],"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":[]}