# Service bulletin 2071730/3

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: 11006105
- Published by NHTSA: 2024\-08\-07
- Manufacturer's number: 2071730/3
- Manufacturer's date: 2024\-07\-24
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

Bentayga rear brake noise/squeal \- Repair method depending on the brake noise frequency \(Iron brakes only\). Scenario 1 Vibration of 1.2 to 1.4 KHz is produced from the rear brakes whilst braking at low speed Whilst braking at low speed, a vibration of 1.2 to 1.4 KHz or 5 KHz can be produced from friction between the rear brake pad and disc resulting in rear brake noise/squeal Scenario 2 Vibration of 3.4 KHz is produced from the rear brakes While braking at low speed a vibration of 3.4 KHz can be produced during brake application at low speed resulting in rear brake noise/squeal Scenario 3 Vibration of 5 KHz is produced from the rear brakes whilst braking at low speed Whilst braking at low speed, a vibration of 5 KHz can be produced from friction between the rear brake pad and disc resulting in rear brake noise/squeal.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006105-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006105-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2017 to 2023 BENTLEY BENTAYGA
- 2024 BENTLEY redundant BENTAYGA

## Recalls for the same vehicles and component

- [2021518](/recalls/tc/2021518.md), 2021-08-18: Brakes

## Other bulletins for the same vehicles and component

- [2075034/4](/bulletins/11033397.md), 2026-06-04, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES; STRUCTURE:BODY. EPB Warning light in DIP \- Front door/s power latch system intermittent \- DTC U112300 within Address 03 and Address 46. Customer statement / workshop findings: One or a combination of the following is evident within the DIP \(Figure 1\) • Electronic parking brake warning And/or • Drivers door power latch intermittent operation warning
- [2052785/10](/bulletins/11024822.md), 2025-11-04, Service bulletin: SERVICE BRAKES. Brake noise identification
- [2075034/3](/bulletins/11020982.md), 2025-07-30, Service bulletin: SERVICE BRAKES; ELECTRICAL SYSTEM; STRUCTURE:BODY; BACK OVER PREVENTION: WARNINGS. EPB Warning light in DIP \- Front door/s power latch system intermittent \- DTC U112300 within Address 03 and Address 46. Condition: One or a combination of the following is evident within the DIP • Electronic parking brake warning And/or • Drivers door power latch intermittent operation warning
- [2060726/4](/bulletins/11015351.md), 2025-03-07, Service bulletin: WHEELS; SERVICE BRAKES. Bentayga \- Winter Wheel and Tyre For CSiC Braking Systems. Technical Background: When opting to use Winter Tyres on vehicles specified with Ceramic brake rotors, the only permissible wheel rim option is 21 Inch 7 Twin spoke –36A 601 025Q.
- [2052785/9](/bulletins/11015348.md), 2025-03-07, Service bulletin: SERVICE BRAKES. Brake noise identification. Technical Background: Brake noises can be attributed to many causes, the most common causes are as follows: • Brake discs or pads are close to their wear limit • New brake pads and/or discs have not been properly bedded in after installation • Aftermarket pads or discs are installed • There is debris such as small stones, grit, road salt or sand between the brake disc and pad • Discs are covered in rust. Rust can form when the vehicle has been stationary for long periods of time
- [2071730/4](/bulletins/11012453.md), 2025-01-07, Service bulletin: SERVICE BRAKES. Bentayga rear brake noise/squeal \- Repair method depending on the brake noise frequency \(Iron brakes only\).
- [2075034/2](/bulletins/11009568.md), 2024-11-01, Service bulletin: BACK OVER PREVENTION: WARNINGS; STRUCTURE:BODY; ELECTRICAL SYSTEM; SERVICE BRAKES; BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING. EPB Warning light in DIP \- Front door/s power latch system intermittent \- DTC U112300 within Address 03 and Address 46. Customer statement / workshop findings: One or a combination of the following is evident within the DIP • Electronic parking brake warning And/or • Drivers door power latch intermittent operation warning
- [2075419/1](/bulletins/11009451.md), 2024-10-29, Service bulletin: ENGINE; ELECTRICAL SYSTEM; SERVICE BRAKES. DTC P057300: Brake Switch "A" Circuit High evident within the ECM\(s\) \- Various warnings evident within the DIP. Customer statement / workshop findings: The following symptoms may be evident \(depending on Model Year\) 23 Model Year: • Drive system warning / safeguard warning in the DIP • DTC P057300: Brake Switch "A" Circuit High evident within the Engine Control Module\(s\) 24 Model Year: • Engine warning light evident within the DIP along with Drive system warning / safeguard warning in the DIP • DTC P057300: Brake Switch "A" Circuit High evident within the Engine Control Module\(s\)
- [2071730/2](/bulletins/10246426.md), 2023-12-08, Service bulletin: SERVICE BRAKES. Bentayga rear brake noise/squeal \- Repair method depending on the brake noise frequency \(Iron brakes only\).
- [2054862.10](/bulletins/10245102.md), 2023-11-08, Service bulletin: SERVICE BRAKES, HYDRAULIC. Bentayga Front Brake Squeal \- 1.5 KHz to 2.0 KHz Customer Statement: \-Front brake squeal with a frequency of 1.5 KHz to 2.0 KHz

JSON: [/v1/bulletins/11006105](/v1/bulletins/11006105)

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