{"nhtsa_id":11017264,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-28","date":"2025-04-15","document_id":"PIP5926D","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017264-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017264-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017264","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2020,"year_to":2025,"match":"base","vehicle_ids":["2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_chevrolet_silverado","2025_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2020,"year_to":2025,"match":"base","vehicle_ids":["2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_chevrolet_silverado","2025_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2020,"year_to":2025,"match":"base","vehicle_ids":["2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra","2024_gmc_sierra","2025_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2020,"year_to":2025,"match":"base","vehicle_ids":["2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra","2024_gmc_sierra","2025_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":[]}