{"nhtsa_id":10217793,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-15","date":"2022-07-29","document_id":"PIP5792E","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission fluid temperature concern they should inspect for a twisted transmission cooler line. Technicians are instructed to disconnect the cooler line and untwist it then reconnect the cooler line and inspect the cooler line for being misshaped. Technicians are instructed to replace the cooler line if it is misshaped.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10217793-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10217793-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217793","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2022,"year_to":2023,"match":"exact","vehicle_ids":["2022_cadillac_escalade","2023_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE NA","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2022,"year_to":2023,"match":"base","vehicle_ids":["2022_chevrolet_silverado","2023_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2021,"year_to":2023,"match":"base","vehicle_ids":["2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2021,"year_to":2023,"match":"base","vehicle_ids":["2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_chevrolet_suburban","2022_chevrolet_suburban","2023_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_chevrolet_tahoe","2022_chevrolet_tahoe","2023_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2022,"year_to":2023,"match":"base","vehicle_ids":["2022_gmc_sierra","2023_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2021,"year_to":2023,"match":"base","vehicle_ids":["2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2021,"year_to":2023,"match":"base","vehicle_ids":["2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_gmc_yukon","2022_gmc_yukon","2023_gmc_yukon"]}],"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":[]}