{"nhtsa_id":11028852,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-02-18","date":"2026-02-28","document_id":"26PACA","mfr_campaign":"26PACA","replaces":null,"component":"STEERING","mfr_system":null,"summary":"KW: Certain Kenworth L770 chassis may have Right-Hand (RH) steering cross shaft bearing mounting holes that are misaligned, resulting in increased stress on the steering cross shaft on the Right-Hand Stand-Up (RHSU) controls configuration. Failure of the RH steering cross shaft could result in the loss of RH steering control which may increase the risk of a crash. PB: Certain Peterbilt Model 520 / 520 BEV chassis may have Right-Hand (RH) steering cross shaft bearing mounting holes that are misaligned, resulting in increased stress on the steering cross shaft on the Right-Hand Stand-Up (RHSU) controls configuration. Failure of the RH steering cross shaft could result in the loss of RH steering control which may increase the risk of a crash.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028852-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028852-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028852","components":[{"id":"steering","name":"Steering","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"L770","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_kenworth_l770"]},{"make":"PETERBILT","model":"520","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_peterbilt_520"]}],"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":[]}