{"nhtsa_id":11015020,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-05","date":"2025-03-05","document_id":"Air Brake Rework","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES","mfr_system":null,"summary":"Potential for slack adjuster failure on trailer air brakes. Failure observed when the self-adjusting actuator rod pulls out the boot. Failure has not prevented brakes from actuating but may cause the brakes to not release fully. Units re-worked to replace push rod on brake chambers with a shorter rod meeting axle manufacturer's specifications.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015020-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015020-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11015020","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHARLES MACHINE","model":"DITCH WITCH VT26","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"CHARLES MACHINE","model":"DITCH WITCH VT26","year_from":2024,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"CHARLES MACHINE","model":"DITCH WITCH VT30","year_from":2023,"year_to":2025,"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":[]}