{"nhtsa_id":601721,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-08-20","date":"1998-07-01","document_id":"NTB98003","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CONDITION WITH THE REAR MAIN SEAL RETAINER GASKET LEAKING OIL. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/601721","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"NISSAN","model":"QUEST","year_from":1993,"year_to":1997,"match":"exact","vehicle_ids":["1993_nissan_quest","1994_nissan_quest","1995_nissan_quest","1996_nissan_quest","1997_nissan_quest"]}],"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":[]}