{"nhtsa_id":10089343,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-01-23","date":"2015-07-27","document_id":"TEBE3156-00","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHAUST FLEX PIPE ON CERTAIN CT660 ON HIGHWAY TRUCKS - THE EXISTING EXHAUST FLEX PIPE CAN CRACK ON CERTAIN CT660 ON HIGHWAY TRUCKS. IF THE EXISTING EXHAUST FLEX PIPE CRACKS IT CAN/WILL RESULT IN AN EXHAUST LEAK AFTER THE AFTERTREATMENT SYSTEM BUT BEFORE THE VERTICAL STACK. REPLACE EXHAUST FLEX PIPE WITH THE EXISTING PART NUMBER.","document":null,"url":"https://open.wenmarpro.com/bulletins/10089343","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"CT660","year_from":2014,"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":[]}