{"nhtsa_id":10205563,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-27","date":"2021-11-18","document_id":"21NA237","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS","mfr_system":null,"summary":"THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10205563-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10205563-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10205563","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_cadillac_escalade-esv"]},{"make":"CADILLAC","model":"ESCALADE NA","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_cadillac_escalade"]},{"make":"CHEVROLET","model":"3500","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_chevrolet_3500"]},{"make":"CHEVROLET","model":"3500","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_gmc_sierra","2021_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_gmc_sierra","2021_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_gmc_yukon-xl"]}],"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":[]}