{"nhtsa_id":10190774,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-26","date":"2021-03-23","document_id":"N212330420","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"Customer Satisfaction Program. On some vehicles equipped with a 6.6L gasoline engine (RPO L8T), the original equipment engine oil dipsticks were incorrectly calibrated and the information in the vehicles? owner manual regarding oil capacity during maintenance is inaccurate. As a result, it is difficult for technicians to refill, adjust and measure the engine oil level accurately during vehicle maintenance. Dealers will replace the engine oil dipstick and print and insert a copy of the corrected owner manual page into the glovebox.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190774-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190774-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190774","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]}],"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":[]}