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Service bulletins for the 2004 Subaru Baja

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.

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

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Bulletins, newest first
WQL-482017-02-15. Service bulletin. AIR BAGS. NEW SUBARU RECALL CAMPAIGN: FRONT PASSENGER AIR BAG INFLATORS WQL]48
WQR-53UM2016-11-16. Service bulletin. AIR BAGS. WE ANNOUNCED LATE LAST MONTH THAT THE WQR-53 TAKATA FRONT PASSENGER AIR BAG INFLATOR RECALL HAS BEEN EXPANDED TO INCLUDE ALL 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. DUE TO THE SEVERITY OF THE INDUSTRY-WIDE TAKATA RECALL SITUATION, IT IS VERY IMPORTANT THAT ALL SUBARU RETAILERS ENSURE THAT RECALLED VEHICLES ARE REPAIRED AS SOON AS POSSIBLE. BASED ON BALLISTIC TESTING RESULTS, IT HAS BEEN DETERMINED THAT AFFECTED VEHICLES WITH REGISTRATION HISTORY IN HIGH ABSOLUTE HUMIDITY (HAH) AREAS ARE MORE SUSCEPTIBLE TO RUPTURE. THEREFORE, WE URGE YOU TO FOCUS YOUR INITIAL EFFORTS ON CONTACTING YOUR AFFECTED CUSTOMERS WITH A REGISTRATION HISTORY IN THE HAH AREAS, TO SCHEDULE AND COMPLETE THIS REPAIR (SEE AFFECTED VIN LISTS BELOW).
WQR-53R2016-11-16. Service bulletin. AIR BAGS. "THE VEHICLES INCLUDED IN THIS CONSOLIDATED NATIONAL RECALL INCLUDE THE FOLLOWING: • AFFECTED 2004-2005 IMPREZA, WRX, AND STI MODELS FROM THE NATIONAL EXPANSION OF THE WQP-51 RECALL • 2003-2004 LEGACY, OUTBACK, AND BAJA VEHICLES AFFECTED BY AND NOT YET REPAIRED UNDER THE WQL-48 RECALL • 2004 IMPREZA, WRX, AND STI VEHICLES AFFECTED BY AND NOT YET REPAIRED UNDER THE WQL-48 RECALL • 2005-2008 LEGACY AND OUTBACK VEHICLES, INCLUDING THE 2005 MODELS NOT YET REPAIRED UNDER THE WQP-51 RECALL IN THE EVENT OF A CRASH NECESSITATING DEPLOYMENT OF THE PASSENGER SIDE FRONTAL AIR BAG, THE FRONT PASSENGER-SIDE AIR BAG INFLATOR IN THESE VEHICLES COULD RUPTURE WITH METAL FRAGMENTS STRIKING THE VEHICLE OCCUPANTS POTENTIALLY RESULTING IN SERIOUS INJURY OR DEATH. ALTHOUGH THE PERCENTAGE OF AFFECTED VEHICLES IS UNKNOWN, THIS RECALL WILL INVOLVE REPLACING THE FRONT PASSENGER AIR BAG INFLATOR ON ALL OF THE POTENTIALLY AFFECTED VEHICLES."
WQR]53U2016-09-28. Service bulletin. AIR BAGS; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THE WQR-53 RECALL IS BEING EXPANDED TO INCLUDE ALL 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. THIS IS AN EXPANSION FROM THE CURRENT WQP-51 LIMITED REGIONAL RECALL FOR CERTAIN 2005 MODEL YEAR LEGACY AND OUTBACK VEHICLES, TO A NATIONAL RECALL FOR ALL 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. THE WQR-53 PRODUCT CAMPAIGN BULLETIN HAS BEEN UPDATED ON STIS TO REFLECT THIS EXPANSION.
WQM-49R2016-09-23. Service bulletin. AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE. THE REVISEMENT OF THIS RECALL ADVISES (WQM-49) HAS BEEN SUPERSEDED TO THE WQP-51 REGIONAL FRONT PASSENGER TAKATA AIR BAG INFLATOR RECALL.
WQP-512016-09-23. Service bulletin. AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE. THIS BULLETIN ANNOUNCES SUBARU IS CONDUCTING THIS LIMITED REGIONAL RECALL TO REPLACE THE FRONT PASSENGER AIR BAG INFLATORS PRODUCED BY TK HOLDINGS, INC. (TAKATA) IN CERTAIN 2003-2005 MODEL YEAR LEGACY, OUTBACK, AND BAJA VEHICLES AND CERTAIN 2004-2005 MODEL YEAR IMPREZA (INCLUDING WRX/STI) VEHICLES CURRENTLY OR PREVIOUSLY REGISTERED IN THE FOLLOWING AREAS OF HIGH ABSOLUTE HUMIDITY.
WQP-51RA2016-09-23. Service bulletin. AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE. THIS ANNOUNCEMENT PROVIDES A GEOGRAPHIC EXPANSION OF THE CURRENT WQM]49 TAKATA AIRBAG LIMITED REGIONAL RECALL.
14411AA532R12016-07-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOA is pleased to announce the launch of a new remanufactured turbocharger program. Supplies are now available at all RDC’s. When installing a remanufactured turbocharger follow the procedure outlined in Service Bulletin 02-106-08R and consult the service manual for vehicle specific instructions.
14V-3992016-06-02. Service bulletin. AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
WQM-492016-06-02. Service bulletin. AIR BAGS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
14V-4712016-06-02. Service bulletin. AIR BAGS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
WQL-48R2016-05-23. Service bulletin. AIR BAGS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
WQL-48R2016-05-23. Service bulletin. AIR BAGS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
WQL-482016-05-23. Service bulletin. AIR BAGS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
14V]3992016-05-23. Service bulletin. AIR BAGS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
07-13-142016-05-23. Service bulletin. AIR BAGS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-05-50-10R2011-06-08. Service bulletin. TIRES. SUBARU: THERE IS A STEERING WHEEL VIBRATION AT HIGHWAY SPEEDS DUE TO AN IMPORPER WHEEL BALANCE. *RM
1294062006-11-14. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. LOOSE DOOR MIRROR SCREWS. *KB
022006-03-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. RUBBING MARK ON TIMING BELT. SUBARU. *TT
0297052005-12-10. Service bulletin. ENGINE AND ENGINE COOLING. ACTIVE VALVE CONTROL SYSTEM (AVCS) UNION SCREW FILTER. IF A ROUGH IDLE AND/OR RPM DOES NOT INCREASE SMOOTHLY THERE IS THE POSSIBILITY THAT THE UNION SCREW FILTER OF THE ACTIVE VALVE CONTROL SYSTEM (AVCS) COULD BE DAMAGED AFFECTING THE OIL CONTROL VALVE. *TT
0296052005-10-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 2.5L REMANUFACTURED SOHC SHORT BLOCK RELEASE. *TT
090120032005-09-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ROUGH IDLE/CHECK ENGINE LIGHT AFTER BATTERY DISCONNECT. *SC
090120032005-09-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 2004 DIRECT AT CONTROL VALVE BODY ASSEMBLY COLLECTION. *SC
052004-11-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL CONTROL VALVE COVER BOLTS. *TT
1667042004-11-30. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. TRANSFER CLUTCH BINDING. *TT

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