{"nhtsa_id":10173971,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-04-20","date":"2020-03-19","document_id":"L-TT-0282-20","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY","mfr_system":null,"summary":"TT: Some vehicles may continue to experience abnormal blend door noise when changing the HVAC temperature setting after the air conditioner radiator assembly (evaporator case) was replaced for the same condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10173971-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10173971-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10173971","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"},{"id":"radiator","name":"Radiator","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"LEXUS","model":"GS 350","year_from":2013,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"IS 250","year_from":2014,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"IS 300","year_from":2016,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"IS 350","year_from":2014,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"LEXUS","model":"IS200T","year_from":2016,"year_to":2017,"match":null,"vehicle_ids":[]}],"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":[]}