TSB List for the 2004 Subaru Impreza

Technical Service Bulletins (TSBs) for the 2004 Impreza are official communications between Subaru & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

  • STEERING
  • SUSPENSION:REAR
  • SERVICE BRAKES, HYDRAULIC
  • ENGINE AND ENGINE COOLING
  • ENGINE AND ENGINE COOLING:ENGINE
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
  • AIR BAGS
  • AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
  • STRUCTURE
  • STRUCTURE:BODY:DOOR
  • VEHICLE SPEED CONTROL:CRUISE CONTROL
  • TIRES
  • EQUIPMENT
  • EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS:TANK VALVE/GAUGE
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • STEERING

    • TSB #04-13-09R

      Date Announced:
      SEP 18, 2015
      NHTSA ID:
      #10093117

      IF YOU ENCOUNTER A VEHICLE THAT HAS A GROANING TYPE NOISE COMING FROM THE POWER STEERING PUMP WHEN THE WHEEL IS TURNED TO THE FULL RIGHT OR LEFT POSITION WHEN THE VEHICLE IS PARKED, IT MAY BE CAUSED BY THE RELIEF VALVE VIBRATING WITHIN ... Read More »

    SUSPENSION:REAR

    • TSB #09012003

      Date Announced:
      SEP 01, 2003
      NHTSA ID:
      #10016483

      ON THE CAR REAR WHEEL BEARING REPLACEMENT PROCEDURE. *SC Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #06

      Date Announced:
      MAR 01, 2005
      NHTSA ID:
      #10015704

      BRAKE PAD WEAR INDICATOR REMOVAL. SUBARU TECH TIPS. *TT Read More »

    ENGINE AND ENGINE COOLING

    • TSB #029705

      Date Announced:
      OCT 06, 2005
      NHTSA ID:
      #10017968

      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 ... Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #029605

      Date Announced:
      SEP 09, 2005
      NHTSA ID:
      #10016869

      2.5L REMANUFACTURED SOHC SHORT BLOCK RELEASE. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

    • TSB #02

      Date Announced:
      FEB 01, 2006
      NHTSA ID:
      #10019343

      RUBBING MARK ON TIMING BELT. SUBARU. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #03-70-12R

      Date Announced:
      JAN 15, 2014
      NHTSA ID:
      #10089957

      REPAIR PROCEDURE FOR HIGH-PITCHED SOUND FROM EXTENSION HOUSING AREA USING LATEST GENERATION PRODUCTION PARTS - THIS BULLETIN PROVIDES PRODUCTION CHANGE, REPAIR PROCEDURE AND PARTS INFORMATION TO ADDRESS A CUSTOMER CONCERN OF A ... Read More »

    • TSB #03-70-12R

      Date Announced:
      JAN 03, 2013
      NHTSA ID:
      #10079980

      THIS BULLETIN PROVIDES PRODUCTION CHANGE, REPAIR PROCEDURE AND PARTS INFORMATION TO ADDRESS A CUSTOMER CONCERN OF A HIGH-PITCHED SOUND COMING FROM THE TRANSMISSION EXTENSION HOUSING AREA. Read More »

    POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

    • TSB #035505

      Date Announced:
      APR 29, 2005
      NHTSA ID:
      #10014956

      COUNTERMEASURE TO ELIMINATE NOISE FROM THE REAR DIFFERENTIAL AREA. *EH Read More »

    AIR BAGS

    • TSB #WQR-53R

      Date Announced:
      JAN 14, 2016
      NHTSA ID:
      #10084281

      "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 ... Read More »

    • TSB #WQR?]53U

      Date Announced:
      JAN 11, 2016
      NHTSA ID:
      #10081079

      THE WQR?-53 RECALL IS BEING EXPANDED TO INCLUDE ALL 2005?-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. Read More »

    • TSB #WQR?]53U

      Date Announced:
      OCT 01, 2015
      NHTSA ID:
      #10093536

      UPDATE: OWNER NOTIFICATION SUBARU RECALL CAMPAIGN: FRONT PASSENGER AIR BAG INFLATORS WQR?]53 OWNER NOTIFICATION LETTERS WERE MAILED SEPTEMBER 30, 2015 DESCRIPTION. Read More »

    • TSB #WQR-53U

      Date Announced:
      OCT 01, 2015
      NHTSA ID:
      #10093621

      UPDATE: OWNER NOTIFICATION SUBARU RECALL CAMPAIGN: FRONT PASSENGER AIR BAG INFLATORS WQR?]53 OWNER NOTIFICATION LETTERS WERE MAILED SEPTEMBER 30, 2015 DESCRIPTION. Read More »

    • TSB #WQL-48R

      Date Announced:
      SEP 25, 2015
      NHTSA ID:
      #10093124

      "SEPTEMBER, 2015: ? THIS RECALL (WQL-48) HAS BEEN SUPERSEDED TO THE WQR-53 TAKATA FRONT PASSENGER AIR BAG INFLATOR REPLACEMENT. Read More »

    • TSB #WQR-53A

      Date Announced:
      SEP 25, 2015
      NHTSA ID:
      #10093125

      PLEASE BE ADVISED THAT SUBARU OF AMERICA, INC. IS CONSOLIDATING THE WQL-48 RECALL INTO THE EXISTING WQR-53 RECALL. Read More »

    • TSB #WQR-53R

      Date Announced:
      SEP 25, 2015
      NHTSA ID:
      #10093126

      "UPDATE ? SEPTEMBER 2015: SUBARU IS CONSOLIDATING TAKATA RECALL WQL-48 (14V-399) INTO THE EXISTING WQR-53 (15V-323) TAKATA RECALL. Read More »

    • TSB #WQR-53U

      Date Announced:
      AUG 25, 2015
      NHTSA ID:
      #10092537

      "RECALL CAMPAIGN: WQR-53 FRONT AIRBAG INFLATOR !V PARTS SUPPLY UPDATE DUE TO ONGOING RESTRICTED SUPPLY OF AIRBAG INFLATOR PART NUMBER 98279FE000 THE FOLLOWING ORDER PROCEDURE WILL BE IMPLEMENTED EFFECTIVE IMMEDIATELY: ?H PART IS NO ... Read More »

    • TSB #WQP-51R

      Date Announced:
      AUG 24, 2015
      NHTSA ID:
      #10092533

      SUBARU IS CONDUCTING THIS LIMITED REGIONAL RECALL TO REPLACE THE FRONT PASSENGER AIR BAG INFLATORS PRODUCED BY TK HOLDINGS, INC. Read More »

    • TSB #WQR-53R

      Date Announced:
      AUG 24, 2015
      NHTSA ID:
      #10092534

      "SUBARU OF AMERICA, INC. (SUBARU) IS EXPANDING REGIONAL RECALL NUMBER WQP-51 (14V-763) ON CERTAIN 2004-2005 MODEL YEAR IMPREZA (INCLUDING WRX/STI) VEHICLES TO A NATIONAL RECALL. Read More »

    • TSB #WQL-48R

      Date Announced:
      AUG 24, 2015
      NHTSA ID:
      #10092536

      "SUBARU OF AMERICA, INC. (SOA) HAS DETERMINED THAT A DEFECT, WHICH RELATES TO MOTOR VEHICLE SAFETY, MAY EXIST ON CERTAIN 2003-2004 MODEL YEAR SUBARU LEGACY, OUTBACK, AND BAJA VEHICLES, AND CERTAIN 2004 MODEL YEAR SUBARU IMPREZA (INCLUDING ... Read More »

    • TSB #WQR-53A

      Date Announced:
      JUL 24, 2015
      NHTSA ID:
      #10092004

      "UPDATE ?] SUBARU RECALL CAMPAIGN: FRONT PASSENGER AIR BAG INFLATORS WQR?]53 (IMPREZA MODELS) AS PREVIOUSLY ANNOUNCED, WE BEGAN MAILING TO AFFECTED VEHICLE OWNERS ON JUNE 17, 2015. Read More »

    • TSB #WQR?-53R

      Date Announced:
      MAY 28, 2015
      NHTSA ID:
      #10090412

      "AS PREVIOUSLY ANNOUNCED, SUBARU WILL BE CONDUCTING A RECALL OF CERTAIN 2004?]2005MY SUBARU IMPREZA (INCLUDING WRX/STI) VEHICLES. Read More »

    • TSB #WQR-53A

      Date Announced:
      MAY 27, 2015
      NHTSA ID:
      #10090406

      THIS IS A GEOGRAPHIC EXPANSION OF THE CURRENT WQP-51 LIMITED REGIONAL RECALL, TO A NATIONAL RECALL FOR IMPREZA MODELS ONLY. DETAILS OF THE TRANSITION FROM WQP-51 TO WQR-53 FOR THE IMPREZA MODELS WILL BE PROVIDED IN FUTURE COMMUNICATIONS. Read More »

    • TSB #SM06 - WQL-48

      Date Announced:
      DEC 17, 2014
      NHTSA ID:
      #10094182

      SERVICE MEMO: WQL?\48 FRONT PASSENGER AIR BAG INFLATOR RECALL (NHTSA ID 14V?\399) ?C SECOND MAILING Read More »

    • TSB #SM04 - TAKATA

      Date Announced:
      DEC 04, 2014
      NHTSA ID:
      #10094124

      UPDATED STATEMENT ON TAKATA AIRBAGS POSTED ON SUBARU.COM Read More »

    • TSB #SM01

      Date Announced:
      DEC 01, 2014
      NHTSA ID:
      #10094115

      SERVICE ANNOUNCEMENT OF SUBARU RECALL CAMPAIGN: FRONT PASSENGER AIR BAG INFLATORS WQP-51 Read More »

    • TSB #PM01

      Date Announced:
      NOV 06, 2014
      NHTSA ID:
      #10093691

      PARTS REMINDER: RETURNS TO TAKATA FOR WQL48 AND WQM49 AIR BAG INFLATOR Read More »

    • TSB #PM02

      Date Announced:
      NOV 06, 2014
      NHTSA ID:
      #10093696

      PARTS MEMO: WQL48, WQM49 TAKATA FRONT PASSENGER AIR BAG INFLATOR RECALLS Read More »

    • TSB #SM02 - TAKATA

      Date Announced:
      OCT 15, 2014
      NHTSA ID:
      #10093470

      RETURNS TO TAKATA FOR WQL48 AND WQM49 AIR BAG INFLATOR Read More »

    • TSB #14V-471

      Date Announced:
      SEP 26, 2014
      NHTSA ID:
      #10068605

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #WQM-49

      Date Announced:
      SEP 26, 2014
      NHTSA ID:
      #10092874

      WQM-49 - REGIONAL FRONT PASSENGER AIR BAG INFLATOR REPLACEMENT Read More »

    • TSB #WQM-49

      Date Announced:
      SEP 26, 2014
      NHTSA ID:
      #10092912

      UPDATE: WQM?]49 FRONT PASSENGER AIR BAG INFLATOR RECALL (NHTSA ID 14V?]471) Read More »

    • TSB #WQL-48R

      Date Announced:
      SEP 11, 2014
      NHTSA ID:
      #10068355

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #WQL-48R

      Date Announced:
      SEP 11, 2014
      NHTSA ID:
      #10092862

      WQL-48R - FRONT PASSENGER AIR BAG INFLATOR REPLACEMENT Read More »

    • TSB #WQM-49

      Date Announced:
      SEP 01, 2014
      NHTSA ID:
      #10068606

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #WQL-48R

      Date Announced:
      AUG 25, 2014
      NHTSA ID:
      #10068345

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #WQL-48R

      Date Announced:
      AUG 25, 2014
      NHTSA ID:
      #10092376

      WQL-48 - FRONT PASSENGER AIR BAG INFLATOR REPLACEMENT Read More »

    • TSB #SM04

      Date Announced:
      AUG 15, 2014
      NHTSA ID:
      #10092306

      HAZARDOUS MATERIALS RETURNS-COMPLIANCE REMINDER - WQL48 TAKATA AIRBAG RECALL Read More »

    • TSB #14V?]399

      Date Announced:
      AUG 11, 2014
      NHTSA ID:
      #10068338

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #SM02 - WQL-48

      Date Announced:
      AUG 11, 2014
      NHTSA ID:
      #10092301

      UPDATE: WQL?]48 FRONT PASSENGER AIR BAG INFLATOR RECALL (NHTSA ID 14V?]399) Read More »

    • TSB #WQL-48

      Date Announced:
      AUG 11, 2014
      NHTSA ID:
      #10092303

      WQL-48 - FRONT PASSENGER AIR BAG INFLATOR REPLACEMENT Read More »

    • TSB #SM01 - WQM-49

      Date Announced:
      AUG 04, 2014
      NHTSA ID:
      #10092281

      ANNOUNCEMENT OF NEW SUBARU RECALL CAMPAIGN: FRONT PASSENGER AIR BAG INFLATORS WQM-49 Read More »

    • TSB #WQL-48

      Date Announced:
      AUG 01, 2014
      NHTSA ID:
      #10068339

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #07-13-14

      Date Announced:
      JUL 03, 2014
      NHTSA ID:
      #10068321

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #WQL-48

      Date Announced:
      JUL 03, 2014
      NHTSA ID:
      #10091746

      NEW SUBARU RECALL CAMPAIGN: FRONT PASSENGER AIR BAG INFLATORS WQL?]48 Read More »

    AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

    • TSB #WQP-51

      Date Announced:
      JAN 14, 2015
      NHTSA ID:
      #10080922

      THIS BULLETIN ANNOUNCES SUBARU IS CONDUCTING THIS LIMITED REGIONAL RECALL TO REPLACE THE FRONT PASSENGER AIR BAG INFLATORS PRODUCED BY TK HOLDINGS, INC. Read More »

    • TSB #WQM-49R

      Date Announced:
      JAN 14, 2015
      NHTSA ID:
      #10080923

      THE REVISEMENT OF THIS RECALL ADVISES (WQM-49) HAS BEEN SUPERSEDED TO THE WQP-51 REGIONAL FRONT PASSENGER TAKATA AIR BAG INFLATOR RECALL. Read More »

    • TSB #WQP-51RA

      Date Announced:
      JAN 13, 2015
      NHTSA ID:
      #10080921

      THIS ANNOUNCEMENT PROVIDES A GEOGRAPHIC EXPANSION OF THE CURRENT WQM?]49 TAKATA AIRBAG LIMITED REGIONAL RECALL. Read More »

    • TSB #14V?-399

      Date Announced:
      DEC 17, 2014
      NHTSA ID:
      #10068678

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    STRUCTURE

    STRUCTURE:BODY:DOOR

    VEHICLE SPEED CONTROL:CRUISE CONTROL

    • TSB #01

      Date Announced:
      MAR 01, 2004
      NHTSA ID:
      #10006814

      CRUISE CONTROL CABLE RETAINING CLIP. *TT Read More »

    TIRES

    • TSB #SB-05-50-10R

      Date Announced:
      FEB 03, 2011
      NHTSA ID:
      #10037968

      SUBARU: THERE IS A STEERING WHEEL VIBRATION AT HIGHWAY SPEEDS DUE TO AN IMPORPER WHEEL BALANCE. *RM Read More »

    EQUIPMENT

    • TSB #03-70-12

      Date Announced:
      DEC 13, 2012
      NHTSA ID:
      #10093977

      REPAIR PROCEDURE FOR HIGH-PITCHED SOUND FROM EXTENSION HOUSING AREA USING LATEST GENERATION PRODUCTION PARTS Read More »

    EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS:TANK VALVE/GAUGE

    • TSB #04-13-09R

      Date Announced:
      JUL 06, 2015
      NHTSA ID:
      #10091965

      IF YOU ENCOUNTER A VEHICLE THAT HAS A GROANING TYPE NOISE COMING FROM THE POWER STEERING PUMP WHEN THE WHEEL IS TURNED TO THE FULL RIGHT OR LEFT POSITION WHEN THE VEHICLE IS PARKED, IT MAY BE CAUSED BY THE RELIEF VALVE VIBRATING WITHIN ... Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #14411AA532R1

      Date Announced:
      JAN 25, 2016
      NHTSA ID:
      #10076009

      SOA is pleased to announce the launch of a new remanufactured turbocharger program. Supplies are now available at all RDC?s. Read More »

    • TSB #WQR?]53U

      Date Announced:
      JAN 11, 2016
      NHTSA ID:
      #10081079

      THE WQR?-53 RECALL IS BEING EXPANDED TO INCLUDE ALL 2005?-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. Read More »

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