Lexus TSB #L-SB-0005-21
2016 Lexus RX 450h
Affected Component: BRAKES (PWS)
- 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.