{"nhtsa_id":10117887,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-09-20","date":"2013-09-27","document_id":"REHS872800","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM","mfr_system":null,"summary":"CT11, CT13, and CT15 Cooling System Flush After Oil Cooler - In the event of an oil cooler failure, engine oil may have entered the cooling system and mixed with the engine coolant. This special instruction contains the procedure for flushing and cleaning the contaminated cooling system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10117887-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10117887-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10117887","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"CT660","year_from":2012,"year_to":2017,"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":[]}