{"nhtsa_id":10123825,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-17","date":"2013-03-01","document_id":"Dealer Letter-Up","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"On certain Audi A8 vehicles manufactured within a specific period it is possible that leakage may occur at the weld seam on the coolant expansion tank. Replace the coolant expansion tank produced within a certain time frame.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10123825-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10123825-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10123825","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A8","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_audi_a8"]}],"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":[]}