{"nhtsa_id":10206339,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-01-08","date":"2021-12-09","document_id":"2065480/3","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:MECHANICAL","mfr_system":null,"summary":"V8 Kovomo - Bentayga - Valve spring replacement (SC21/42). Technical background: The intake valve springs (16) and outlet valve springs (16) located within the cylinder heads of Bank 1 and 2 require replacing The replacement of all valve springs is required due to an issue which was discovered during a routine quality inspection Remedy: The replacement of all intake valve springs and all outlet valve springs (Bank 1 and Bank 2) is required","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10206339-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10206339-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10206339","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_bentley_bentayga","2022_bentley_bentayga"]}],"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":[]}