Affected Component: BRAKES (PWS)

Date Published
FEB 24, 2021
NHTSA TSB #
10188931
TSB Document
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.