{"nhtsa_id":10231639,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-02-13","date":"2023-01-11","document_id":"PIP5873A","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This Preliminary information communicated to the dealer of an exchange program that was placed on the 3.0L LZ0 engine in the 2023 Siverado and Sierra but has ended as of 1/10/2023","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231639-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10231639-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10231639","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_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":[]}