# Service bulletin A3923512060424\_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: 10231562
- Published by NHTSA: 2023\-03\-06
- Manufacturer's number: A3923512060424\_3
- Manufacturer's date: 2023\-02\-06
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This bulletin provides instructions for when there is an oil leak from the rear of the vehicle and is confirmed from the top of the differential near the output flanges. One or both of the sealing caps are missing from the pressure\-limiting valves.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231562-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231562-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2021 AUDI A6
- 2021 AUDI A7
- 2021 AUDI A8
- 2021 AUDI RS 6 AVANT
- 2021 AUDI RS 7
- 2021 AUDI RS Q8
- 2021 AUDI S4
- 2021 AUDI S5
- 2021 AUDI S5 CABRIOLET
- 2021 AUDI S6
- 2021 AUDI S7
- 2020 to 2021 AUDI SQ5
- 2021 AUDI SQ7
- 2021 AUDI SQ8

## Recalls for the same vehicles and component

- [2021279](/recalls/tc/2021279.md), 2021-05-13: Engine
- [21V339000](/recalls/nhtsa/21V339000.md), 2021-05-12: ENGINE

## Other bulletins for the same vehicles and component

- [TSB\_2083393\_1](/bulletins/11038129.md), 2026-10-05, Service bulletin: ENGINE. This bulletin provides information when the starter/generator drive belt is noisy or came off.
- [TSB\_2081030\_4](/bulletins/11038090.md), 2026-10-05, Service bulletin: ENGINE. This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI.
- [TSB\_2070281\_7](/bulletins/11038036.md), 2026-10-05, Service bulletin: ENGINE. This bulletin provides information when the MIL is on; P310B00 \- low fuel pressure regulation, fuel pressure outside of tolerance \- symptom 2638.
- [TSB\_2081030\_3](/bulletins/11036938.md), 2026-09-04, Service bulletin: ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
- [TSB\_2079209\_3](/bulletins/11036931.md), 2026-09-04, Service bulletin: ENGINE. This bulletin provides information when the exhuast emissions warning lamp is on P0299.
- [TSB\_2070281\_6](/bulletins/11036913.md), 2026-09-04, Service bulletin: ENGINE. This bulletin provides information when the MIL is on, DTC P310B00 is stored; low fuel pressure regulation, fuel pressure outside of tolerance, symptom 2638.
- [TSB\_2070281\_5](/bulletins/11036912.md), 2026-09-04, Service bulletin: ENGINE. This bulletin provides information when the MIL is on, DTC P310B00 is stored; low fuel pressure regulation, fuel pressure outside of tolerance, symptom 2638.
- [SM 34\-2026](/bulletins/11036900.md), 2026-09-04, Other: ENGINE. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
- [TSB\_2082103\_3](/bulletins/11035835.md), 2026-08-05, Service bulletin: ENGINE. This bulletin provides informion when there is intermittently no start when using start/stop.
- [TSB\_2082323\_1](/bulletins/11034728.md), 2026-07-07, Service bulletin: ENGINE. This bulletin provides informaiton when the engine is not running smoothly, misfiring.

JSON: [/v1/bulletins/10231562](/v1/bulletins/10231562)

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