{"nhtsa_id":11019748,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-06-26","date":"2025-04-30","document_id":"25-NA-037","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking noise, misfire or rough run and what to replace if found the cause.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019748-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019748-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11019748","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT4","year_from":2020,"year_to":2025,"match":"exact","vehicle_ids":["2020_cadillac_ct4","2021_cadillac_ct4","2022_cadillac_ct4","2023_cadillac_ct4","2024_cadillac_ct4","2025_cadillac_ct4"]},{"make":"CHEVROLET","model":"COLORADO","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_chevrolet_colorado","2024_chevrolet_colorado","2025_chevrolet_colorado"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2025,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_chevrolet_silverado","2025_chevrolet_silverado"]},{"make":"GMC","model":"CANYON","year_from":2023,"year_to":2025,"match":"exact","vehicle_ids":["2023_gmc_canyon","2024_gmc_canyon","2025_gmc_canyon"]},{"make":"GMC","model":"SIERRA 1500","year_from":2019,"year_to":2025,"match":"base","vehicle_ids":["2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra","2024_gmc_sierra","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":[]}