{"nhtsa_id":10057805,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-06-30","date":"2014-05-23","document_id":"WI-267","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE","mfr_system":null,"summary":"TIFFIN MOTORHOMES: INSTRUCTIONS ON HOW TO INSTALL AND SECURE ALL THE EXHAUST PIPES ON ALL ZEPHYR VEHICLES. *TA","document":null,"url":"https://open.wenmarpro.com/bulletins/10057805","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"TIFFIN","model":"ALLEGRO","year_from":2015,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ZEPHYR","year_from":1999,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ZEPHYR","year_from":2005,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"TIFFIN","model":"ZEPHYR","year_from":2013,"year_to":2014,"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":[]}