2004 Subaru WRX Technical Service Bulletins

175 technical service bulletins (TSBs) are on record for the 2004 Subaru WRX. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10198758Jun 17, 2021Electrical system, Equipment. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models
• 10198749Jun 7, 2021Equipment, Engine cooling. This bulletin is to advise of SOA’s revised catalytic converter recycling program shipping procedure.
• 10194843May 14, 2021Electrical system, Air bags. Takata Front Passenger Air Bag Inflator Replacement.
• 10187315Feb 1, 2021Equipment. To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool.
• 10186364Jan 12, 2021Transmission and drivetrain, Engine cooling, Equipment. This bulletin announces a design change to the clutch release bearing.
• 10186348Jan 4, 2021Equipment, Electrical system. The purpose of this bulletin is to provide replacement key and immobilizer information.
• 10179378Aug 4, 2020Equipment. Special Service Tools Cross Reference List.
• 10176028May 26, 2020Brakes. This service Information bulletin provides precautions to follow when servicing the Brembo brake calipers utilized on the models listed. Because of their aluminum construction, it is critcal to take extra care when servicing.
• 10174543Apr 30, 2020Equipment. All Models (Vehicle Cleaning- COVID-19Best Practices)
• 10173117Mar 10, 2020Engine cooling, Electrical system, Equipment. This Bulletin provides information regarding DTC P0606 related specifically to the determination of this code on Forester Turbo and applicable WRX models.
• 10171869Feb 4, 2020Air bags. SUBARU OF AMERICA, INC. has determined that a defect, which relates to motor vehicle safety, exists in certain 2003-2014 model year Legacy and Outback vehicles, 2003-2006 model year Baja vehicles, 2009-2013 model year Forester vehicles, 2004-2011 model year Impreza vehicles, and 2004-2014 WRX (including STI) vehicles equipped with a non-desiccated Takata-sourced passenger-side frontal air bag containing the…
• 10171076Jan 15, 2020Air bags, Equipment. SUBARU OF AMERICA, INC. has determined that a defect, which relates to motor vehicle safety, exists in certain 2003-2014 model year Legacy and Outback vehicles, 2003-2006 model year Baja vehicles, 2009-2013 model year Forester vehicles, 2004-2011 model year Impreza vehicles, and 2004- 2014 WRX (including STI) vehicles equipped with a non-desiccated Takata-sourced passenger-side frontal air bag containing the…
• 10171075Jan 6, 2020Air bags, Equipment. Takata Like for Like recalls- TKA20 (Zone A), TKB20 (Zone B), TKC20 (Zone C).
• 10166888Oct 4, 2019Air bags. A special mailer was sent out today to owners of 2004-2005 model year Impreza (including WRX) vehicles with an open Takata airbag recall. The mailer, will include an incentive coupon good towards $100.00 worth of Genuine Subaru Accessories, Parts, or Service at the time they have their Takata airbag recall completed at any authorized Subaru Retailer. Offer will expire 1/2/2020.
• 10163525Jul 11, 2019Brakes. This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. This will prevent the pad from dragging due to corrosion buildup which may result in uneven or premature wear of the replacement brake pads. This additional instruction applies to all models with brake pads using the upper and lower pad clips and has been added to the…
• 10161824May 21, 2019Equipment. Subaru Service and Technical Support Line Newletter.
• 10161813May 6, 2019Equipment. To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool.
• 10154419Jan 25, 2019Brakes. This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. This will prevent the pad from dragging due to corrosion buildup which may result in uneven or premature wear of the replacement brake pads. This additional instruction applies to all models with brake pads using the upper and lower pad clips and has been added to the…
• 10140479Feb 6, 2018Equipment, Engine. This bulletin provides details regarding a new oil filler tube o-ring developed to address engine oil seepage concerns. This seepage may accumulate along the bottom sealing surface of the rocker cover. The new o-ring utilizes material which has an increased resistance to engine heat.
• 10140424Feb 6, 2018Engine. This bulletin provides details regarding a new oil filler tube o-ring developed to address engine oil seepage concerns. This seepage may accumulate along the bottom sealing surface of the rocker cover. The new o-ring utilizes material which has an increased resistance to engine heat.
• 10120997Nov 16, 2016Equipment. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
• 10131647Sep 30, 2016Equipment. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
• 10140515Apr 27, 2016Air bags. 2nd Notification of WQR53 Recall to owners. The affected vehicles are equipped with a passenger side frontal air bag that may be susceptible to moisture intrusion which, over time, could cause the inflator to rupture upon its deployment.
• 10192929Apr 22, 2016Air bags. WQR-53 Front Passenger Air Bag Inflator Owner Notification (Impreza, WRX, and STI models)
• 10140526Apr 12, 2016Air bags. WQR-53 Front Passenger Air Bag Inflator Parts Supply Update (Impreza, WRX, and STI models) We are pleased to announce that our parts supply for affected 2004-2005 model year Impreza, WRX, and STI vehicles has improved and we are preparing for the owner notification process.
• 10140516Apr 12, 2016Air bags. Recall Bulletin Revised. UPDATE ? April 2016: New and different inflators are available for affected 2004-2005 Impreza, WRX, and STI vehicles. As a result, there are different installation instructions depending on the inflator being installed. Please refer to the appropriate service procedure instructions and parts information which were updated to reflect the new parts.
• 10120962Feb 10, 2016Air bags. 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. Owner notification letters were mailed to the owners of those vehicles on January 29, 2016. On Friday, February 12, 2016 initial owner notification letters will be mailed to the current owners of non?HAH vehicles. Non?HAH vehicles have not…
• 10084290Jan 28, 2016Air 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.
• 10233107Jan 25, 2016Engine cooling. Launch of Remanufactured Turbochargers
• 10076009Jan 25, 2016Equipment. 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.
• 10233149Jan 14, 2016Air bags. Takata Front Passenger Air Bag Inflator Replacement
• 10084281Jan 14, 2016Air 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…
• 10081079Jan 11, 2016Air bags, Equipment. 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.
• 10093621Oct 1, 2015Air bags. Update: owner notification subaru recall campaign: front passenger air bag inflators wqr]53 owner notification letters were mailed september 30, 2015 description. All vehicles previously affected by the wql-48 recall that were not yet repaired will be transferred into to the wqr-53 national recall. Any open wql-48 coverage will be expired once owner notification begins.
• 10093536Oct 1, 2015Air bags. Update: owner notification subaru recall campaign: front passenger air bag inflators wqr]53 owner notification letters were mailed september 30, 2015 description. All vehicles previously affected by the wql]48 recall that were not yet repaired will be transferred into to the wqr]53 national recall. Any open wql]48 coverage will be expired once owner notification begins.
• 10093126Sep 25, 2015Air bags. "update – september 2015: subaru is consolidating takata recall wql-48 (14v-399) into the existing wqr-53 (15v-323) takata recall.
• 10093125Sep 25, 2015Air bags. Please be advised that subaru of america, inc. Is consolidating the wql-48 recall into the existing wqr-53 recall.
• 10093124Sep 25, 2015Air bags. "september, 2015: • this recall (wql-48) has been superseded to the wqr-53 takata front passenger air bag inflator replacement. • if a wql-48 claim was approved prior to the release of the wqr-53 recall, the vin will not be included in the wqr-53 recall. • on september 25, 2015 any incomplete wql-48 recall applicability was expired in soa’s system. î claims for wql-48 repairs submitted after this expiration date…
• 10092537Aug 25, 2015Air bags. "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 longer eligible to be placed on stock order as of end of business august 24th; vor orders only will be accepted until further notice „h all existing stock orders with part number…
• 10092536Aug 24, 2015Air bags. "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 wrx and sti) vehicles. The subject vehicles are equipped with front passenger air bag inflators which could have been assembled with improperly manufactured propellant wafers.
• 10092534Aug 24, 2015Air bags. "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. The subject vehicles are equipped with front air bag spi-type inflators which are described in a defect information report (nhtsa recall number 15e-041) submitted by takata on may 18, 2015.
• 10092533Aug 24, 2015Air bags. 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.
• 10140551Jun 17, 2015Air bags. Owner Notification Subaru will begin mailing to affected vehicle owners on June 17, 2015. The first owners to receive notification will be owners identified based on registration data in areas of high absolute humidity (FL, HI, PR, GU, VI, AL, GA, MS, TX, LA). In addition to notification by postal mail, vehicle owners with a valid email address and MySubaru subscribers will be notified electronically.
• 10140452Jun 2, 2015Air bags. As previously announced, Subaru will be conducting a recall of certain 2004?2005MY Subaru Impreza (including WRX/STI) vehicles. The air bag inflators in the front passenger air bags for these vehicles could be susceptible to rupture and the front passenger air bag could deploy abnormally in a crash. WQR?53 is a geographic expansion of the current WQP?51 limited regional G1recall, to a national recall for Impreza…
• 10080923Jan 14, 2015Air bags. The revisement of this recall advises (wqm-49) has been superseded to the wqp-51 regional front passenger takata air bag inflator recall.
• 10080922Jan 14, 2015Air bags. 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.
• 10080921Jan 13, 2015Air bags. This announcement provides a geographic expansion of the current wqm]49 takata airbag limited regional recall.
• 10233086Dec 17, 2014Air bags. Update: WQL?48 Front Passenger Air Bag Inflator Recall (NHTSA ID 14V?399) ? SECOND MAILING
• 10068678Dec 17, 2014Air bags. Summary to be provided on a future date.
• 10094124Dec 4, 2014Air bags. Updated statement on takata airbags posted on subaru.com

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