{"nhtsa_id":10147335,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2018-09-28","document_id":"18236","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER","mfr_system":null,"summary":"18236 - Special Coverage - On some vehicles, equipped with the LML (DURAMAX 6.6L V8 TURBO Diesel) engine, the exhaust turbocharger outlet pipe may have a bad weld. Smoke may be noticed from under the hood at a stop or while driving. The customer may also smell exhaust gas. Dealers are to replace the exhaust turbocharger outlet pipe. The repairs will be made at no charge to the customer.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10147335-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10147335-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10147335","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2015,"year_to":2016,"match":"base","vehicle_ids":["2015_chevrolet_silverado","2016_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2015,"year_to":2016,"match":"base","vehicle_ids":["2015_gmc_sierra","2016_gmc_sierra"]}],"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":[]}