{"nhtsa_id":10156817,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-08","date":"2016-01-25","document_id":"SIL 10-EP-16 Rev","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Announces change to the color of the exhaust backfill spring to distinguish it from similar springs used in the H 40/50 EP assembly plant","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10156817-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10156817-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10156817","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON","model":"H 40 EP TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"H 50 EP TRANSMISSION","year_from":null,"year_to":null,"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":[]}