{"nhtsa_id":10172751,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-03-24","date":"2020-03-23","document_id":"SS1034681","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY","mfr_system":null,"summary":"Service Solution for Lower Radiator Pipe Rubbing on X15 Cummins engine. Due to limited clearance, the lower radiator pipe may rub on the engine block and lower radiator hose may rub on the front engine support causing radiator coolant leakage on Cummins X15 installations.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172751-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172751-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10172751","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"},{"id":"radiator","name":"Radiator","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"X15","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"4900","year_from":2015,"year_to":2021,"match":"exact","vehicle_ids":["2015_western-star_4900","2016_western-star_4900","2017_western-star_4900","2018_western-star_4900","2019_western-star_4900","2020_western-star_4900","2021_western-star_4900"]}],"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":[]}