{"nhtsa_id":10144809,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-09-24","date":"2018-08-20","document_id":"TEBE7922-01","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"The existing 516-9693 Cylinder Liners can crack in the bottom O-ring grooves on certain Caterpillar Products equipped with a C18 Engine, including certain Truck Engines. If the existing liner cracks it will allow oil and coolant mixing.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10144809-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10144809-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10144809","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"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":[]}