# Service bulletin L\-SB\-0032\-23 Rev

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: 10245447
- Published by NHTSA: 2023\-11\-27
- Manufacturer's number: L\-SB\-0032\-23 Rev
- Manufacturer's date: 2023\-10\-02
- NHTSA component: SERVICE BRAKES; ENGINE AND ENGINE COOLING

## NHTSA's summary

TSB: Some 2016 ? 2022 model year RX 450h and 2018 ? 2022 model year RX 450hL vehicles may exhibit a squawk/knock noise from the engine compartment when depressing and/or releasing the brake pedal. 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/2023/MC-10245447-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245447-9999.pdf)

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

## Components

Brakes, Engine

## Vehicles listed

- 2016 to 2022 LEXUS RX
- 2016 to 2022 LEXUS RX HYBRID

## Other bulletins for the same vehicles and component

- [LSB006023](/bulletins/10247804.md), 2023-12-26, Service bulletin: ENGINE AND ENGINE COOLING. TSB: Some 2019 ? 2023 model year ES 350, 2018 ? 2023 model year IS 350, IS 300, RC 350, RC 300, 2016 ? 2022 model year RX 350, and 2016 ? 2020 model year GS 350 vehicles equipped with a 2GR\-FKS engine may exhibit a knocking noise from the vacuum pump at idle. Follow the Repair Procedure in this bulletin to improve this condition.
- [23LE04\- Multiple](/bulletins/10234307.md), 2023-04-17, Service bulletin: SERVICE BRAKES. DP: Although the Brake Booster and Brake Booster Pump Assembly are covered by Lexus?s New Vehicle Limited Warranty for 4 years or 50,000 miles \(whichever comes first\), we at Lexus care about the customers? ownership experience. Lexus is providing coverage for repairs in the subject vehicles related to certain internal malfunctions of the Brake Booster Pump Assembly and/or Brake Booster, depending on the model.

JSON: [/v1/bulletins/10245447](/v1/bulletins/10245447)

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