{"nhtsa_id":10056296,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-10-24","date":"2014-04-16","document_id":"TIB-42-052","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"KENWORTH: TWO RELATED ISSUES CONCERNING MISDIAGNOSE LOW COOLANT CONDITION AND UNNECESSARY COOLANT PUMP REPLACEMENT DUE TO NOT ABLE TO DIFFERENTIATE BETWEEN NORMAL SEEPAGE OF COOLANT AND A TRUE LEAKAGE FROM PUMP. MODEL T680, T880. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10056296","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T680","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_kenworth_t680"]},{"make":"KENWORTH","model":"T880","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_kenworth_t880"]}],"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":[]}