{"nhtsa_id":10161991,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-07-01","date":"2019-04-04","document_id":"190312REV","mfr_campaign":null,"replaces":null,"component":"ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS","mfr_system":null,"summary":"The purpose of this Product Upgrade Owner Notification Letter is to inform the owners of certain model year 2016 American Coach American Allegiance, certain model year(s) 2016-2019 American Coach American Dream, certain model year(s) 2016-2019 American Coach American Eagle, certain model year 2016 American Coach American Heritage, and certain model year 2016 American Coach American Tradition, Class A motorhomes, about Product Upgrade Campaign 190312REV. On motorhomes affected by this Product Upgrade, the hydraulic hoses may be connected to the manifold/pump in a manner that causes them to be too tightly coiled, compressed or obstructed, which may cause the hoses to leak.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10161991-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10161991-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10161991","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"AMERICAN COACH","model":"AMERICAN ALLEGIANCE","year_from":2016,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"AMERICAN COACH","model":"AMERICAN DREAM","year_from":2016,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"AMERICAN COACH","model":"AMERICAN EAGLE","year_from":2016,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"AMERICAN COACH","model":"AMERICAN HERITAGE","year_from":2016,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"AMERICAN COACH","model":"AMERICAN TRADITION","year_from":2016,"year_to":2016,"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":[]}