{"nhtsa_id":10018785,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-01-17","date":"2005-12-05","document_id":"0506","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"COOLANT LEAKING FROM REAR COOLANT PIPE NIPPLE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10018785","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_audi_a4"]},{"make":"AUDI","model":"A6","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_audi_a6"]}],"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":[]}