{"nhtsa_id":10198990,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-07-07","date":"2021-06-28","document_id":"FDM-SVC-002","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"This bulletin provides instruction for replacing the water pump impeller due to corrosion. Oshkosh has received reports of non-working water pumps due to the pump impeller becoming corroded and seized, causing the pump not to spin. A new impeller made of an improved alloy was developed to eliminate corrosion issues.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198990-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198990-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10198990","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"OSHKOSH","model":"S SERIES","year_from":1978,"year_to":1993,"match":null,"vehicle_ids":[]},{"make":"OSHKOSH","model":"S SERIES","year_from":1997,"year_to":2000,"match":"exact","vehicle_ids":["1997_oshkosh_s-series","1998_oshkosh_s-series","1999_oshkosh_s-series","2000_oshkosh_s-series"]},{"make":"OSHKOSH","model":"S-SERIES","year_from":2005,"year_to":2012,"match":"exact","vehicle_ids":["2005_oshkosh_s-series","2006_oshkosh_s-series","2007_oshkosh_s-series","2008_oshkosh_s-series","2009_oshkosh_s-series","2010_oshkosh_s-series","2011_oshkosh_s-series","2012_oshkosh_s-series"]},{"make":"OSHKOSH","model":"S-SERIES","year_from":2013,"year_to":2022,"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":[]}