{"nhtsa_id":10165117,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-09-23","date":"2019-08-27","document_id":"19NA188","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"The informational bulletin explains the normal noises that are emitted from the engine once the engine is turned off.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10165117-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10165117-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10165117","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_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":[]}