# Service bulletin A1521372053278\_6

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: 10187326
- Published by NHTSA: 2021\-03\-04
- Manufacturer's number: A1521372053278\_6
- Manufacturer's date: 2021\-02\-16
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187326-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187326-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2018 to 2021 AUDI A4
- 2019 to 2021 AUDI A6
- 2019 to 2021 AUDI A7
- 2019 to 2020 AUDI A8
- 2021 AUDI A8
- AUDI AUDI
- 2018 to 2021 AUDI Q5
- 2020 to 2021 AUDI Q7
- 2019 to 2021 AUDI Q8
- 2019 AUDI RS 5
- 2021 AUDI RS 5
- 2019 AUDI S6
- 2020 to 2021 AUDI S6
- 2019 AUDI S7
- 2020 to 2021 AUDI S7
- 2019 AUDI S8
- 2020 to 2021 AUDI S8
- 2021 AUDI SQ5
- 2020 to 2021 AUDI SQ7
- 2020 to 2021 AUDI SQ8

## Recalls for the same vehicles and component

- [2022576](/recalls/tc/2022576.md), 2022-10-07: Engine
- [22V753000](/recalls/nhtsa/22V753000.md), 2022-10-07: ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
- [2021279](/recalls/tc/2021279.md), 2021-05-13: Engine
- [21V339000](/recalls/nhtsa/21V339000.md), 2021-05-12: ENGINE
- [21V111000](/recalls/nhtsa/21V111000.md), 2021-02-24: ENGINE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\)

## 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\_2079917\_2](/bulletins/11036935.md), 2026-09-04, Service bulletin: ENGINE. This bulletin provides information when the engine can only be started with a delay; 2.0 ltr. 4 cyl. 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.

JSON: [/v1/bulletins/10187326](/v1/bulletins/10187326)

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