{"nhtsa_id":626359,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-12-13","date":"2001-11-01","document_id":"TL23","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"SUBJECT FE6(T)(TA) 12VALVE REAR MAIN SEAL INSTALLATION TOOL DISCREPANCY. *AJ","document":null,"url":"https://open.wenmarpro.com/bulletins/626359","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"NISSAN DIESEL","model":"UD TRUCK","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}