{"nhtsa_id":10243980,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-10-14","date":"2023-09-19","document_id":"21-NA-120","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; EQUIPMENT","mfr_system":null,"summary":"This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243980-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10243980-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10243980","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2020,"year_to":2024,"match":"base","vehicle_ids":["2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2020,"year_to":2024,"match":"base","vehicle_ids":["2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2020,"year_to":2024,"match":"base","vehicle_ids":["2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra","2024_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2020,"year_to":2024,"match":"base","vehicle_ids":["2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra","2024_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":[]}