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Service bulletins for the 2004 Audi allroad

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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
Edition922023-02-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. Idenifying and mixing factory fill engine coolants
13352010043132022-08-01. Service bulletin. ENGINE AND ENGINE COOLING. Engine oils that meet Audi Oil Quality Standards.
A171782 2010043-2018-02-05. Service bulletin. ENGINE. This informational bulletin contains all the the Audi Oil Quality Standards that should be used when doing an oil change.
SB-01-15-292015-10-15. Service bulletin. ENGINE. AUDI: ENGINE, ON SOME VEHICLES, WOULD RUN IRREGULARLY OR HAVE MALFUNCTION INDICATOR LAMP (MIL) ON OR POSSIBLE FILTER ELEMENT FOR CAMSHAFT ADJUSTMENT VALVE CAN LOOSEN AND IN OIL CIRCUIT, THERE IS NO DAMAGE FROM LOOSENED PARTICLES. MODEL ALL. ALL YEARS. *PE
TSB-01-12-392012-04-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM. AUDI: ENGINE HAS REDUCED ENGINE PERFORMANCE WITHOUT LOSS OF POWER OR STALLING; CIRCUIT GROUNDS; FUEL QUALITY POOR; MIL IS CONSTANTLY ILLUMINATED OR FLASHING; ROUGH IDLE; IGNITION COILS INCORRECTLY INSTALLED; ELECTRICAL CONNECTIONS LOOSE OR DAMAGED. *PE
SAC-28F2-REV2011-03-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. AUDI: GASOLINE ENGINE VEHICLES; INSPECT, AND IF NECESSARY, REPLACE IGNITION COILS. VEHICLES AFFECTED BY THIS ACTION MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. ADDED FINAL MAILING PHASE-8/10 VIN INFORMATION. MODELS A4/CABRIOLET; TT; A3; A8; A6; S4; ALLROAD; RS4; Q7; S6; S8. *PE
SA-28F2 J12010-07-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. AUDI: (REVISED) VEHICLES AFFECTED BY THIS ACTION MAY HAVE IGNITION COILS THAT COULD MALFUNCTION UNDER CERTAIN CONDITIONS. IF THIS HAPPENS, THE MALFUNCTION INDICATOR LAMP (MIL) WILL ILLUMINATE TO LET YOU KNOW THAT THE VEHICLE MAY EXPERIENCE SOME DETERIORATION IN PERFORMANCE. IN SOME CASES, A MALFUNCTIONING IGNITION COIL MAY CAUSE A VEHICLE TO EXCEED FEDERAL AND/OR CALIFORNIA EMISSIONS STANDARDS. *PE UPDATED 8/9/10. *PE UPDATED 8/11/10. *PE UPDATED 11/8/10. *PE UPDATED 11/10/10. *PE UPDATED 1/10/11. *PE
TSB-24-08-042010-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, OTHER. AUDI: MIL ON (MASS AIRFLOW SENSOR DTCS P0101, P0102, P0103, P0112, P0113 IN ECM). ENGINE HAS LOW PERFORMANCE WITHOUT SIGNIFICANT LOSS OF POWER OR STALLING. MODELS S4, S4 CABRIOLET, ALLROAD, RS6, & R8. *PE
TSB-24-09-162010-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AUDI: MIL ON (MASS AIRFLOW SENSOR DTCS P0101, P0102, P0103, P0112, P0113 IN ECM). ENGINE HAS LOW PERFORMANCE WITHOUT SIGNIFICANT LOSS OF POWER OR STALLING. DTCS RELATED TO THE MASS AIR FLOW SENSOR AND FUEL TRIM FAULTS CAN BE RELATED TO (BUT NOT LIMITED TO) THE FOLLOWING CONDITIONS-FALSE INTAKE AIR, OR AIR FILTER ELEMENT VERY DIRTY; FUEL PRESSURE TOO LOW AND MASS AIR FLOW SENSOR FAULT. MODELS INCLUDE ALLROAD 2004-2005. *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
200365822007-07-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOSES POWER OR WILL NOT MOVE AFTER STOP. *KB
06012006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CONTROL HOUSING FOR CAMSHAFT ADJUSTER, ENSURING SHIM WASHER INSTALLATION WHEN REPAIRING. *TT
05012005-05-19. Service bulletin. ENGINE AND ENGINE COOLING. SECONDARY AIR INJECTION (AIR) PUMP MOTOR -V101- IS NOISY. *TT
04022004-09-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE, INTAKE MANIFOLD MOUNTING BOLT TORQUE. AUDI S4,S4 CABRIOLET, ALLROAD, A6, A8L MODEL YEAR 2004. *MJ UPDATE. *TT

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