{"nhtsa_id":616589,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-03-06","date":"2001-03-06","document_id":"016","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"A NEW TYPE OF UNIT PUMP O-RING IS NOW AVAILABLE ON ALL ACTERRA VEHICLES EQUIPPED WITH THE MBE900 ENGINE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/616589","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"STERLING","model":"ACTERRA","year_from":1999,"year_to":1999,"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":[]}