{"nhtsa_id":10139275,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-04","date":"2018-01-31","document_id":"18NA031","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; EQUIPMENT","mfr_system":null,"summary":"This technical bulletin provides a procedure to install catalytic converter bracket nuts if found the cause of the noise or install cup washers to the actuator arms of the turbos if found the cause of the noise.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10139275-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10139275-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10139275","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"catalytic-converter","name":"Catalytic converter","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ATS","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_cadillac_ats","2017_cadillac_ats","2018_cadillac_ats"]},{"make":"CADILLAC","model":"CTS","year_from":2014,"year_to":2018,"match":"exact","vehicle_ids":["2014_cadillac_cts","2015_cadillac_cts","2016_cadillac_cts","2017_cadillac_cts","2018_cadillac_cts"]}],"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":[]}