{"nhtsa_id":11002707,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-07-01","date":"2024-06-05","document_id":"SB-72","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"It has come to Tiffin Motorhomes attention that on certain 2023-2024 Convoy and 2023-2024 Tiffin GH1's, the wrong coolant for the AquaHot system was used in production. Over time, corrosion to internal aluminum components and premature failure is likely.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11002707-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11002707-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11002707","components":[],"codes":[],"topics":[],"vehicles":[{"make":"TIFFIN","model":"CONVOY","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"GH1","year_from":2023,"year_to":2024,"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":[]}