{"nhtsa_id":10055685,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-07-03","date":"2014-04-09","document_id":"TIBU-7549","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER","mfr_system":null,"summary":"CATERPILLAR: SOME TRUCKS, IF AN INTERNAL OIL SEAL (HIGH PRESSURE TURBO), IS CONTAMINATED WITH ENGINE COOLANT, ITS SUSCEPTIBLE TO DAMAGE, AFTER THE EGR COOLANT FAILS AND NEEDS TO BE INSPECTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10055685","components":[{"id":"engine","name":"Engine","parent":null},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"CT660","year_from":2012,"year_to":2014,"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":[]}