{"nhtsa_id":10155476,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-01","date":"2014-04-11","document_id":"ST 1898 Rev B","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; EQUIPMENT","mfr_system":null,"summary":"Service Tip regarding Water and/or Ethylene Glycol in Transmission Fluid. The analysis of the fluid sample (by the fluid supplier or any qualified laboratory) will provide the degree of contamination and possible clue of its source","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10155476-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10155476-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10155476","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON","model":"1000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"2000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"2400 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"3000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"4000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"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":[]}