{"source":"nhtsa","country":"us","campaign":"20V593000","date":"2020-09-28","owner_notified":"2020-11-30","manufacturer":"PACCAR Incorporated","component":"SERVICE BRAKES, AIR:ANTILOCK","summary":"PACCAR Incorporated (PACCAR) is recalling certain 2016-2021 Kenworth T680 trucks equipped with a 2.1m Cab and WABCO 6S/6M ABS brake system with drum brakes.  The brake systems were manufactured with a standard rear-brake ABS modulator valve instead of a quick release valve, which may exceed the intended service-brake release timing.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, \"Air Brake Systems.\"","consequence":"Longer than expected service-brake release timing may lengthen vehicle stopping distance, increasing the risk of a crash.","remedy":"PACCAR will notify owners, and dealers will replace the standard rear-brake, ABS modulator valve with a quick release valve, free of charge.  The recall began November 30, 2020.  Owners may contact PACCAR customer service at 1-425-828-5888.  PACCAR's number for this recall is 20KWD.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","mfr_campaign":"20KWD","part_number":"4721950520","units":1416,"completion":{"kind":"annual","report_number":3,"period_from":"2024-4","period_to":"2025-3","submitted":"2025-10-30","involved":1416,"remedied":1127,"unreachable":0,"removed":0,"remedied_percent":79,"as_of":"2026-10-19"},"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":2016,"make":"KENWORTH","model":"T680","vehicle_id":"2016_kenworth_t680","match":"exact","built_from":null,"built_to":null},{"year":2017,"make":"KENWORTH","model":"T680","vehicle_id":"2017_kenworth_t680","match":"exact","built_from":null,"built_to":null},{"year":2018,"make":"KENWORTH","model":"T680","vehicle_id":"2018_kenworth_t680","match":"exact","built_from":null,"built_to":null},{"year":2019,"make":"KENWORTH","model":"T680","vehicle_id":"2019_kenworth_t680","match":"exact","built_from":null,"built_to":null},{"year":2020,"make":"KENWORTH","model":"T680","vehicle_id":"2020_kenworth_t680","match":"exact","built_from":null,"built_to":null},{"year":2021,"make":"KENWORTH","model":"T680","vehicle_id":"2021_kenworth_t680","match":"exact","built_from":null,"built_to":null}],"may_apply":true,"as_of":"2026-10-19","lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null},"attribution":[],"url":"https://open.wenmarpro.com/recalls/nhtsa/20V593000"}