{"nhtsa_id":11037330,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-09-17","date":"2026-09-17","document_id":"N262567720","mfr_campaign":"N262567720","replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Certain vehicles may have received transmission mounting bolts that do not meet expected hardness specifications. Loose or failed bolts may result in hard shifting from the transmission and/or noise. Dealers will replace both transmission mounting bolts.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037330-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11037330-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11037330","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["2026_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["2026_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["2026_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["2026_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":[]}