{"nhtsa_id":10143742,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-20","date":"2018-06-19","document_id":"18209","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ENGINE","mfr_system":null,"summary":"18209 - Service Update. Certain vehicles equipped with a 1.6L diesel engine (RPO LH7), may have been built with an improper alignment of the clamp/gasket assembly connecting the turbocharger to the catalytic converter. This condition may cause a diesel exhaust leak and/or smoke from the underhood area of the vehicle. In addition, a check engine indicator may set with diagnostic trouble code P0421. Dealers are to inspect and replace the turbocharger to catalytic converter clamp/gasket as necessary.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143742-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143742-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143742","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"catalytic-converter","name":"Catalytic converter","parent":"exhaust-emissions"},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":["P0421"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EQUINOX","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_chevrolet_equinox"]},{"make":"GMC","model":"TERRAIN","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_gmc_terrain"]}],"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":[]}