{"nhtsa_id":10181120,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-19","date":"2020-09-08","document_id":"FDM-TSIB-014","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This bulletin provides instruction and information on required vehicle hydraulic system updates that address performance deficiencies in the vehicle?s hydraulic system. The hydraulic water pump return hose needs to be rerouted directly to the hydraulic reservoir to eliminate the possibility of motor seal failure during different hydraulic load scenarios. The mixer motor drain hose needs to be rerouted to prevent oil overheating. Failure to complete these required system updates could lead to component failure.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181120-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181120-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10181120","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"OSHKOSH","model":"S SERIES","year_from":null,"year_to":null,"match":"exact","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":[]}