{"nhtsa_id":10120812,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-27","date":"2015-06-30","document_id":"A421524 2026049-","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT","mfr_system":null,"summary":"Supersedes Technical Service Bulletin Group 42 number 13-17 dated March 18, 2013. Oil is leaking 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/2015/MC-10120812-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10120812-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10120812","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A5 CABRIOLET","year_from":2010,"year_to":2012,"match":null,"vehicle_ids":[]},{"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"]}],"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":[]}