{"nhtsa_id":10089707,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-01-26","date":"2012-10-31","document_id":"12270","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"12270 - SERVICE UPDATE. A SMALL NUMBER OF ENGINES MAY DEVELOP A CRANKSHAFT BEARING NOISE CONDITION AT LOW MILEAGE. PRIOR TO DELIVERY TO A CUSTOMER, DEALERS ARE TO PERFORM A DRIVE AUDIT TO IDENTIFY VEHICLES WITH THE CONDITION. IF CONDITION IS FOUND, DEALERS ARE TO REPLACE THE ENGINE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10089707","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ATS","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_cadillac_ats"]},{"make":"CHEVROLET","model":"MALIBU","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_chevrolet_malibu"]}],"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":[]}