{"nhtsa_id":10123875,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-17","date":"2013-03-18","document_id":"A421317 2026049-","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Supersedes Technical Service Bulletin Group 42 number 12-14 dated October 5, 2012. Oil leak in the area of the Quattro sports rear differential (PR-PDU, PDR, or GH2) side flange or axle shaft inboard flange. Insufficient sealant on the protective cap on the inboard constant velocity joint at the rear differential on vehicles with a sports differential.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10123875-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10123875-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10123875","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"S4","year_from":2010,"year_to":2012,"match":"exact","vehicle_ids":["2010_audi_s4","2011_audi_s4","2012_audi_s4"]},{"make":"AUDI","model":"S5","year_from":2010,"year_to":2012,"match":"exact","vehicle_ids":["2010_audi_s5","2011_audi_s5","2012_audi_s5"]},{"make":"AUDI","model":"S5 CABRIOLET","year_from":2010,"year_to":2012,"match":null,"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":[]}