Service bulletin A421317 2026049-
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 | 10123875 |
| Published by NHTSA | 2017-11-17 |
| Manufacturer's number | A421317 2026049- |
| Manufacturer's date | 2013-03-18 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
Supersedes Technical Service Bulletin Group 42 number 12-14 dated October 5, 2012. Oil leak in the area of the Quattro sports rear differential (PR-PDU, PDR, or GH2) side flange or axle shaft inboard flange. Insufficient sealant on the protective cap on the inboard constant velocity joint at the rear differential on vehicles with a sports differential.
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
| AUDI S4 | 2010, 2011, 2012 |
|---|---|
| AUDI S5 | 2010, 2011, 2012 |
| AUDI S5 CABRIOLET | 2010 to 2012 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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