{"nhtsa_id":10038246,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-06-14","date":"2011-03-01","document_id":"SB-49-8","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"WESTERN STAR TRUCKS: THERE ARE NEW CGI BELLOWS DUE TO CURRENT ONES THAT ARE PRONE TO FAILURE. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10038246","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"CONSTELLATION","year_from":1995,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"CONSTELLATION","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"HERITAGE","year_from":1995,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"HERITAGE","year_from":1999,"year_to":1999,"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":[]}