{"nhtsa_id":10137936,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-21","date":"2014-05-30","document_id":"PI1251","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR","mfr_system":null,"summary":"This preliminary bulletin has a procedure to apply thread lock to the catalytic converter bolts and reinstalling, to correct the customers concern of a knocking, rattle, or ping from under the vehicle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10137936-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10137936-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10137936","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":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_cadillac_ats","2014_cadillac_ats"]}],"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":[]}