{"nhtsa_id":10043166,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-02-29","date":"2011-10-31","document_id":"TIB-43-22","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. BULLETIN REFERS TO THE DUAL EXHAUST REAR NOX SENSOR MOISTURE PROTECTION CAMPAIGN. TO DIVERT MOISTURE FROM THE REAR (SCR OUTLET) NOX SENSOR THERE IS A NEW DESIGN FOR EXHAUST ELEMENT. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10043166","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"C500","year_from":2009,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T660","year_from":2009,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800","year_from":2009,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W900","year_from":2009,"year_to":2011,"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":[]}