{"nhtsa_id":38057,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-02-07","date":"1994-12-01","document_id":"94256","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"KNOCKING NOISE FROM LOWER END #1 MAIN BEARING DURING ACCELERATION. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/38057","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"AEROSTAR","year_from":1992,"year_to":1994,"match":"exact","vehicle_ids":["1992_ford_aerostar","1993_ford_aerostar","1994_ford_aerostar"]}],"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":[]}