{"nhtsa_id":10055697,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-07-07","date":"2014-05-27","document_id":"TIBU-7605","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"CATERPILLAR: SOME VEHICLES MAY HAVE COOLANT IN THE OIL. THE ENGINE OIL WILL BE LIGHT GRAY IN COLOR AND HAVE A SLUDGE-LIKE APPEARANCE. THE CRANKCASE MAY BE OVERFILLED. 2010-2013 CT11 AND CT13. MODEL CT660. NO MODEL YEAR PROVIDED. *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10055697","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"CATERPILLAR","year_from":null,"year_to":null,"match":"exact","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":[]}