Service bulletin A9912
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 | 608341 |
| Published by NHTSA | 1999-11-23 |
| Manufacturer's number | A9912 |
| Manufacturer's date | 1999-06-18 |
| NHTSA component | ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE |
NHTSA's summary
SUBJECT ON VEHICLE'S EXHIBITING CARBON BUILD-UP ON THE TOP OF PISTONS, IN COMBUSTION CHAMBERS AND ON INTAKE VALVES. MJS
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Engine, Exhaust and emissions, Exhaust manifold, pipes and muffler
| AUDI AUDI |
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Listing a model year does not mean every vehicle of it is concerned: the document says which.