{"nhtsa_id":11017838,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-05-05","date":"2025-04-07","document_id":"No. 91-24","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Technical information for Oil Leakage in the Area of the Upper Part of the Oil Pan and Crankcase: Checking Return Seal on Upper Part of Oil Pan and Replacing if necessary","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017838-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017838-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017838","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"718 BOXSTER GTS","year_from":2021,"year_to":2024,"match":"base","vehicle_ids":["2021_porsche_718-boxster","2022_porsche_718-boxster","2023_porsche_718-boxster","2024_porsche_718-boxster"]},{"make":"PORSCHE","model":"718 CAYMAN GT4","year_from":2022,"year_to":2024,"match":"base","vehicle_ids":["2022_porsche_718-cayman","2023_porsche_718-cayman","2024_porsche_718-cayman"]},{"make":"PORSCHE","model":"718 SPYDER","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_porsche_718-spyder"]},{"make":"PORSCHE","model":"718 SPYDER","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"718 SPYDER","year_from":2022,"year_to":2024,"match":"exact","vehicle_ids":["2022_porsche_718-spyder","2023_porsche_718-spyder","2024_porsche_718-spyder"]},{"make":"PORSCHE","model":"CAYMAN GT4","year_from":2020,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"PORSCHE","model":"redundant CAYMAN GT4","year_from":2023,"year_to":2023,"match":null,"vehicle_ids":[]}],"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":[]}