{"nhtsa_id":10054556,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-02-04","date":"2013-09-27","document_id":"REHS-8728","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"CATERPILLAR: INFORMATION INSTRUCTIONS REGARDING, THE FLUSHING AND CLEANING CONTAMINATED COOLING SYSTEM, PROCEDURE WHEN ENGINE OIL ENTERS AND MIXES WITH ENGINE COOLANT, CAUSING AN OIL COOLER FAILURE. MODEL CT660. NO YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10054556","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"CATERPILLAR","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"CATERPILLAR","model":"CT660","year_from":2012,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"CATERPILLAR","model":"ENGINE & ENGINE COOLING","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":[]}