{"nhtsa_id":10038765,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-27","date":"2011-05-01","document_id":"SB-11084","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY","mfr_system":null,"summary":"GM: 2011 CADILLAC CTS. THERE IS A WINE OR HUM NOISE COMING FROM THE REAR DIFFERENTIAL ASSEMBLY AND THERE IS A PROCEDURE TO FIX IT. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10038765","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CTS","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_cadillac_cts"]}],"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":[]}