Service bulletin A171893 2040644_
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 | 10138314 |
| Published by NHTSA | 2018-05-21 |
| Manufacturer's number | A171893 2040644_ |
| Manufacturer's date | 2018-03-28 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV) |
NHTSA's summary
This bulletin provides repair instructions on diagnosing and replacing a leak in the crankcase breather module.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine, Exhaust and emissions, Crankcase ventilation (PCV)
| AUDI A6 | 2013, 2014, 2015, 2016 |
|---|---|
| AUDI A7 | 2013, 2014, 2015, 2016 |
| AUDI A8 | 2013, 2014, 2015, 2016 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| A1720072060033_1 | 2020-08-06. Service bulletin. This bulletin contains repair instructions for when there are noises in the engine compartment with DTC P052E00. |
|---|---|
| AWA 19-03 | 2019-06-06. Service bulletin. This bulletin explains the warranty extension for the crankcase ventilation valve on certain 3.0L and 4.0L vehicles. |
| A171783 2040644- | 2018-02-05. Service bulletin. This bulletin provides repair instructions on diagnosing and replacing a leak in the crankcase breather module. |
| Campaign Circula | 2017-11-17. Service bulletin. On certain Audi vehicles with 2.0L TFSI engine, the diaphragm of the crankcase pressure regulating valve may have been damaged. Inspect and, if necessary, install a repair kit for the crankcase pressure regulating valve. |
| Campaign Circula | 2017-11-17. Service bulletin. On certain Audi vehicles with 2.0L TFSI engine, the diaphragm of the crankcase pressure regulating valve may have been damaged. Inspect and, if necessary, install a repair kit for the crankcase pressure regulating valve. |
| A171670 2040644- | 2017-10-21. Service bulletin. A metallic whistling or grinding sound is heard from the engine compartment when the vehicle is at idle speed. The sound usually occurs when the engine is warm. The MIL is sporadically on due to DTCs being stored in the ECM. A leak in the crankcase breather module can cause this condition. |
| A171780 2040644- | 2017-10-04. Service bulletin. This bulletin provides repair instructions on diagnosing and replacing a leak in the crankcase breather module. |