# Service bulletin A3920292059112\_1

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: 10173845
- Published by NHTSA: 2020\-05\-07
- Manufacturer's number: A3920292059112\_1
- Manufacturer's date: 2020\-04\-03
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This bulletin contains repair instructions for an oil leak on the rear differential.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173845-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173845-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2017 to 2019 AUDI Q7
- 2019 AUDI Q8

## Other bulletins for the same vehicles and component

- [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\_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.
- [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\_2082323\_1](/bulletins/11034728.md), 2026-07-07, Service bulletin: ENGINE. This bulletin provides informaiton when the engine is not running smoothly, misfiring.
- [TSB\_2081573\_2](/bulletins/11034699.md), 2026-07-07, Service bulletin: ENGINE. This bulletin provides informatio when fuel pump/ sender, fuel tank level implausible, DTC B105A1A B103E29 Stored in 0017.
- [TSB\_2074640\_3](/bulletins/11034657.md), 2026-07-07, Service bulletin: ENGINE. This bulletin provides information when there is increased oil consumption; \>0.5ltr/1000 km.
- [TSB\_2073867\_3](/bulletins/11034656.md), 2026-07-07, Service bulletin: ENGINE. This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM.
- [TSB\_2081030\_2](/bulletins/11032174.md), 2026-05-05, Service bulletin: ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
- [TSB\_2081030\_1](/bulletins/11032173.md), 2026-05-05, Service bulletin: ENGINE. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
- [TSB\_2073305\_3](/bulletins/11032139.md), 2026-05-05, Service bulletin: ENGINE. This bulletin provides informaiton when the radiator fans run constantly and the windshield wipers don't work.

JSON: [/v1/bulletins/10173845](/v1/bulletins/10173845)

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