{"nhtsa_id":10090140,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-02-02","date":"2016-04-05","document_id":"M0070506-00","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"EXCESSIVE ENGINE OIL CONSUMPTION ON CT13 ENGINES WITH SCR - ON CERTAIN CT13 ENGINES WITH SCR, CARBON CAN BUILD UP ON THE TOP LANDS OF THE PISTONS AND CAUSE THE PISTON RINGS TO STICK, LEADING TO LOSS OF OIL CONTROL IN THE POWER CYLINDERS AND INCREASED OIL CONSUMPTION. AN UPDATED CYLINDER KIT IS NOW AVAILABLE TO ADDRESS THIS CONDITION.","document":null,"url":"https://open.wenmarpro.com/bulletins/10090140","components":[{"id":"engine","name":"Engine","parent":null}],"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":[]}