{"nhtsa_id":11027928,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-01","date":"2026-01-29","document_id":"PIT6480","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This preliminary information communicates an issue with how to repair a brake fluid leak at the B356 Brake Pipe Pressure Switch connector.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11027928-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11027928-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11027928","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2019,"year_to":2024,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 5500","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 5500","year_from":2023,"year_to":2024,"match":"base","vehicle_ids":["2023_chevrolet_silverado","2024_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 6500","year_from":2019,"year_to":2024,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_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":[]}