{"nhtsa_id":11037431,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-21","date":"2026-09-14","document_id":"BBJA31120","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Job Aid - This job aid only applies to vehicles involved in the cylinder head gasket warranty extension. While replacing the cylinder head gasket, a flatness check of the mating surfaces of both the cylinder head and engine block must be done. If the mating surface warpage is found to be outside of service manual specifications, replacement of the component is required.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037431-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037431-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037431","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ACURA","model":"ADX","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_acura_adx","2026_acura_adx"]},{"make":"ACURA","model":"INTEGRA","year_from":2023,"year_to":2026,"match":"exact","vehicle_ids":["2023_acura_integra","2024_acura_integra","2025_acura_integra","2026_acura_integra"]}],"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":[]}