# Service bulletin A461336 2028420\-

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: 10123923
- Published by NHTSA: 2017\-11\-17
- Manufacturer's number: A461336 2028420\-
- Manufacturer's date: 2013\-04\-09
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

Supersedes Technical Service Bulletin Group 46 number 12\-17 dated January 18, 2012. The customer may complain of hearing a high\-pitched squeal or squeak from the brake system when brakes are used with light to moderate effort. The concern may occur more frequently with colder weather. The vehicle production date is on or after Sep 3, 2012 \(Calendar Week 36/2012\). Changes to certain brake components were implemented in S4, S5, and S5 Cabriolet models produced as of Sep 3, 2012. To closely monitor complaints of noise on these vehicles, we are asking that you contact the Audi Technical Assistance Center \(TAC\) before replacing any parts on vehicles produced after this date.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10123923-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10123923-0001.pdf)

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

## Components

Brakes

## Vehicles listed

- 2013 AUDI S4
- 2013 AUDI S5
- 2013 AUDI S5 CABRIOLET

## Other bulletins for the same vehicles and component

- [TSB\_2075120\_3](/bulletins/11036921.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information about the general approach for brake vibration concerns.
- [TSB\_2072304\_4](/bulletins/11036914.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal.
- [TSB\_2069904\_3](/bulletins/11036911.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information for all models regarding brake sounds.
- [TSB\_2069078\_4](/bulletins/11036909.md), 2026-09-04, Service bulletin: SERVICE BRAKES. This bulletin provides information on the zirconium insercts in the brake piston \(ceramic brakes only\).
- [TSB\_2069904\_2](/bulletins/11025369.md), 2025-11-08, Service bulletin: SERVICE BRAKES. This bulletin provides information for all models regarding brake sounds.
- [TSB\_2075120\_2](/bulletins/11025342.md), 2025-11-08, Service bulletin: SERVICE BRAKES. This bulletin provides information regarding the general approach for all Audi vehicles regarding brake vibrations.
- [TSB\_2072304\_3](/bulletins/11025336.md), 2025-11-08, Service bulletin: SERVICE BRAKES. This bulletin provides information when there is an ABS/ESC speed sensor implausible signal.
- [TSB\_2069078\_3](/bulletins/11025333.md), 2025-11-08, Service bulletin: SERVICE BRAKES. This bulletin provides information on the zirconium insercts in the brake piston \(ceramic brakes only\).
- [A4624592069078\_2](/bulletins/11009356.md), 2024-10-28, Service bulletin: SERVICE BRAKES. This bulletin provides informaion regarding zirconium inserts in the bake piston for vehicle equipped with ceramic brakes.
- [A4524492075120\_1](/bulletins/11009351.md), 2024-10-28, Service bulletin: SERVICE BRAKES. This bulletin provides information regarding the general approach to brakes rubbing.

JSON: [/v1/bulletins/10123923](/v1/bulletins/10123923)

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