Service bulletins for the 1998 Audi A4
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.
85 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Drive belts are shown. Show all
| 0521 | 2005-09-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. THE WARRANTY IS EXTENDED FOR SUBJECT VEHICLES TO 168,000 KM (105,000 MILES), REGARDLESS OF TIME IN SERVICE, FOR ENGINE DAMAGE RESULTING FROM A BROKEN TIMING BELT. *TT |
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| JK | 2005-07-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. CUSTOMER SATISFACTION CAMPAIGN JK TO INSPECT THE TIMING BELT ON VEHICLES WITH INTERNAL ENGINE DAMAGE RESULTING FROM A BROKEN TIMING BELT. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.