WenmarOpen by Wenmar Pro

Service bulletins for the 2002 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.

149 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
1015082008-10-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. AUDI SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CSC LETTER WAS RECEIVED FOR AUDI MODEL YEARS 2000-2003 A4 AND TT. REVISED MAINTENANCE INSTRUCTIONS AND A WARRANTY EXTENSION COVERING CERTAIN TIMING BELT TENSIONER SYSTEM RELATED REPAIRS. *PE
AWA-08-032008-07-28. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. AUDI SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE COOLANT TEMPERATURE SENSOR WARRANTY EXTENSION FOR CERTAIN 2001-2004 AUDI MODEL YEAR VEHICLES. CSC WAS RECEIVED *PE
AWA-08-042008-07-09. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE COOLANT TEMPERATURE SENSOR WARRANTY EXTENSION FOR CERTAIN 2001-2004 MODEL YEAR AUDI VEHICLES. *PE
17 08 032008-04-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL PRESSURE TOO LOW - ENGINE FLUSH. *NJ UPDATED 4/30/08. *NJ
080120072007-09-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE AIR PLENUM AREA TO IMPROVE DRAINAGE. *KB
200365822007-07-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOSES POWER OR WILL NOT MOVE AFTER STOP. *KB
20128332007-04-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL PRESSURE TOO LOW - ENGINE FLUSH. *KB
3807022007-04-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SHUDDERS WHEN ACCELERATING AT 10 TO 50% THROTTLE FROM A STATIONARY POSITION, SOMETIMES WITH FLUCUATING ENGINE SPEED. *KB
06042007-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL SLUDGE LIMITED WARRANTY EXTENSION. *KB
05062006-01-17. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAKING FROM REAR COOLANT PIPE NIPPLE. *TT
04312005-09-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REPAIRS OF OIL SLUDGE RELATED PROBLEMS. *TT
04022005-08-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL SPECIFICATIONS, OIL CAPACITY, OIL FILTER. TO INCLUDE AUDI 24 2006. *TT
1905042005-07-29. Service bulletin. ENGINE AND ENGINE COOLING. THE COOLANT RESERVOIR IS DIAGNOSED TO BE LEAKING AND INTENDED TO BE REPLACED. *TT
05022005-05-19. Service bulletin. ENGINE AND ENGINE COOLING. FUEL INJECTORS UNNECESSARY REPLACEMENT. *EH
05012005-05-19. Service bulletin. ENGINE AND ENGINE COOLING. FUEL INJECTORS UNNECESSARY REPLACEMENT. *EH
05032005-05-19. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK OR ON HEAT IN PASSENGER COMPARTMENT. *EH
04062005-02-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. COOLANT LEAK AT OIL COOLER HOSES. *TT
04202004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. WARRANTY EXTENSION COVERING CERTAIN OIL SLUDGE RELATED REPAIRS. *TT
04032004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOW ENGINE OIL PRESSURE LIGHT IS ON. AUDI CABRIOLET 2004 INCLUDED. *TT
04012004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL SPECIFICATIONS, OIL CAPACITY, OIL FILTER. *TT THIS BULLETIN REPLACES BULLETIN 04-01 DATED JAN. 12, 2004. 2004 CABRIOLET, AUDI INCLUDED. *TT
04022004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VALVE COVER, DIAGNOSING OIL LEAKAGE FROM GASKETS. *TT
04202004-11-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL SLUDGE - WARRANTY EXTENSION. SERVICE CIRCULAR - WARRANTY. *TT
04012004-10-19. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. MAP CONTROLLED ENGINE COOLING THERMOSTAT, SERVICING. AUDI A4 2002-2005 AND AUDI CABRIOLET 2003-2005. *TT
03022003-06-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. UPDATE PROGRAMMING (FLASHING) ENGINE CONTROL MODULE (ECM) TO CORRECT COLD START MISFIRE. *TT
02072003-03-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSIS OF DRIVEABILITY COMPLAINTS SUCH AS ROUGH IDLING, HESITATION, LACK OF POWER AND MULTIPLE MISFIRES OR DIAGNOSTIC TROUBLE CODES P0103, P1111, P1112, P1128, P1130, P1144, P1145, P1146, P1147, P1148 OR P1557 ON TURBO CHARGED ENGINES. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.