{"nhtsa_id":10086598,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-19","date":"2016-03-14","document_id":"T1612D","mfr_campaign":null,"replaces":null,"component":"ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"THIS TEMPORARY REPAIR PRACTICE IS BEING ISSUED TO ADDRESS PLUGGING OF THE EGR COOLERS AND EGR VALVES RESULTING IN FC1896 AND/OR FC3382 ON ISL9 CM2350 TRANSIT BUS APPLICATIONS. THIS TRP AUTHORIZES THE REPLACEMENT OF PISTONS AND VALVE STEM SEALS, AND IF REQUIRED, UPDATING THE ECM CALIBRATION. THIS IS A AN UPDATE TO A PREVIOUSLY RELEASED COMMUNICATION.","document":null,"url":"https://open.wenmarpro.com/bulletins/10086598","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"egr-valve","name":"EGR valve","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISL9","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":[]}