# Service bulletin 26 13 18 2027945

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: 10210607
- Published by NHTSA: 2022\-05\-02
- Manufacturer's number: 26 13 18 2027945
- Manufacturer's date: 2013\-05\-22
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Humming or metallic rattling noise from under the vehicle, heard most consistently during engine idle or slow acceleration. Initial inspection indicates that the noise is coming from the exhaust system. Relative movements in the rear mounting of the exhaust system \(rear silencer\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10210607-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10210607-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2009 to 2014 AUDI A4
- 2008 to 2014 AUDI A5
- 2010 to 2014 AUDI A5 CABRIOLET

## Recalls for the same vehicles and component

- [18V229000](/recalls/nhtsa/18V229000.md), 2018-04-11: ENGINE AND ENGINE COOLING:COOLING SYSTEM
- [2017002](/recalls/tc/2017002.md), 2017-01-04: Engine
- [17V002000](/recalls/nhtsa/17V002000.md), 2017-01-03: ENGINE AND ENGINE COOLING:COOLING SYSTEM

## Other bulletins for the same vehicles and component

- [SM 01\-2026](/bulletins/11035797.md), 2026-08-05, Other: ENGINE. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
- [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\_2021205\_10](/bulletins/11029367.md), 2026-03-03, Service bulletin: ENGINE. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
- [TSB\_2060750\_5](/bulletins/11028398.md), 2026-02-06, Service bulletin: ENGINE. This bulletin provides information regarding UV leak additive for finding oil leaks.
- [TSB\_2075530\_2](/bulletins/11016532.md), 2025-04-04, Service bulletin: ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds.
- [A0124482014753\_13](/bulletins/11012476.md), 2025-01-07, Service bulletin: ENGINE. This bulletin provides information when the MIL is on; DTCs for misfire, air/fuel ratio imbalance, or lean fuel system stored in the ECM P030000.
- [A1524532075530\_1](/bulletins/11009928.md), 2024-11-06, Service bulletin: ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds.
- [A2424632074810\_2](/bulletins/11009327.md), 2024-10-28, Service bulletin: ENGINE. This bulletin provides information when ther is an Engine: start/stop system fault shown and start/stop system not is working; mileage below 50 km/32 miles.
- [AWA 24\-01](/bulletins/10250533.md), 2024-03-06, Service bulletin: ENGINE; UNKNOWN OR OTHER. This Document informs dealers on the new oil consumption \& piston fracture warranty extension for 2012 A4, A5, A6, Q5 \& TT / 2013 A4, A5, A6, Q5 \& TT / 2014 A4, A5, A6, Q5 \& TT / 2016 A3 \& TT / 2017 A3 \& TT vehicles
- [87D9UPDATEa](/bulletins/10250653.md), 2024-02-26, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR. AC Pressure/Temperature Sensor

JSON: [/v1/bulletins/10210607](/v1/bulletins/10210607)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2026%2013%2018%202027945&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10210607&vehicle=Service%20bulletin%2026%2013%2018%202027945)
