{"nhtsa_id":11024270,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-10-14","date":"2025-10-14","document_id":"N252517790","mfr_campaign":"N252517790","replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Certain vehicles, equipped with 8L80 or 8L90 Transmissions, may have a condition in which the reaction carrier cracks. Dealers are to replace the reaction carrier.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024270-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11024270-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11024270","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_chevrolet_colorado","2026_chevrolet_colorado"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_chevrolet_silverado"]},{"make":"GMC","model":"CANYON","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_gmc_canyon","2026_gmc_canyon"]},{"make":"GMC","model":"SAVANA","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_gmc_savana"]},{"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":[]}