{"nhtsa_id":11027661,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-01-15","date":"2026-01-15","document_id":"N252536640","mfr_campaign":"N252536640","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"Service Update. Certain vehicles listed above may have a condition where the front upper control arm ball stud nut may be loose or missing. Dealers will inspect, and if necessary, tighten or install a new front upper control arm ball stud nut.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11027661-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11027661-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11027661","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["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":[]}