{"nhtsa_id":10203537,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-11-15","date":"2021-10-04","document_id":"L-SB-0035-21","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"TSB: Some 2016 ? 2021 model year RX 450h vehicles may exhibit a squawk/knock noise from the engine compartment when depressing and/or releasing the brake pedal. This may be due to small amounts of air within the brake actuator assembly. Follow the Repair Procedure in this bulletin to address this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203537-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203537-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10203537","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LEXUS","model":"RX HYBRID","year_from":2016,"year_to":2021,"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":[]}