{"nhtsa_id":10038466,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-15","date":"2011-05-01","document_id":"PI-0403","mfr_campaign":null,"replaces":"PI-0403A","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"GM: THERE IS AN ENGINE OIL LEAK AT THE FRONT ENGINE COVER. 2011 VOLT. *RM UPDATED 6/27/11. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10038466","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"VOLT","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_chevrolet_volt"]}],"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":[]}