{"nhtsa_id":10226385,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-11-21","date":"2022-10-19","document_id":"PIP5845A","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; POWER TRAIN","mfr_system":null,"summary":"This Preliminary information communicates to the dealer technician that if the vehicle's engine coolant reservoir has transmission fluid in it or if Glycol it found in the transmission fluid the dealer should replace the Automatic Transmission Fluid Cooling Exchanger. The dealer should refer to bulletin 08-07-30-035 for the recommended components that should be replaced in the transmission and to flush the engine cooling system following service information.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10226385-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10226385-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10226385","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_cadillac_escalade-esv","2022_cadillac_escalade-esv"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_chevrolet_silverado","2022_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_chevrolet_silverado","2022_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_chevrolet_silverado","2022_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_chevrolet_suburban","2022_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_chevrolet_tahoe","2022_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_gmc_sierra","2022_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_gmc_sierra","2022_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2021,"year_to":2022,"match":"base","vehicle_ids":["2021_gmc_sierra","2022_gmc_sierra"]},{"make":"GMC","model":"YUKON XL","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_gmc_yukon-xl","2022_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":[]}