{"nhtsa_id":11014358,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-19","date":"2025-02-14","document_id":"21-NA-138","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014358-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014358-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11014358","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2015,"year_to":2025,"match":"base","vehicle_ids":["2015_chevrolet_silverado","2016_chevrolet_silverado","2017_chevrolet_silverado","2018_chevrolet_silverado","2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_chevrolet_silverado","2025_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2015,"year_to":2025,"match":"base","vehicle_ids":["2015_chevrolet_silverado","2016_chevrolet_silverado","2017_chevrolet_silverado","2018_chevrolet_silverado","2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_chevrolet_silverado","2025_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2015,"year_to":2025,"match":"base","vehicle_ids":["2015_gmc_sierra","2016_gmc_sierra","2017_gmc_sierra","2018_gmc_sierra","2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra","2024_gmc_sierra","2025_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2015,"year_to":2025,"match":"base","vehicle_ids":["2015_gmc_sierra","2016_gmc_sierra","2017_gmc_sierra","2018_gmc_sierra","2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra","2024_gmc_sierra","2025_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2015,"year_to":2020,"match":"base","vehicle_ids":["2015_gmc_sierra","2016_gmc_sierra","2017_gmc_sierra","2018_gmc_sierra","2019_gmc_sierra","2020_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":[]}