{"nhtsa_id":10082260,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-10-13","date":"2012-11-01","document_id":"G-150069","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"12270 - SERVICE UPDATE (REVISED VIN LIST - MESSAGE ONLY). 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/10082260","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":null,"year_to":null,"match":"exact","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":[]}