# Service bulletin L\-SB\-0005\-21

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.

- Type: Service bulletin
- NHTSA id: 10188931
- Published by NHTSA: 2021\-03\-15
- Manufacturer's number: L\-SB\-0005\-21
- Manufacturer's date: 2021\-02\-24
- NHTSA component: SERVICE BRAKES

## NHTSA's 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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188931-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188931-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes

## Vehicles listed

- 2016 to 2021 LEXUS RX HYBRID

JSON: [/v1/bulletins/10188931](/v1/bulletins/10188931)

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