2003 Subaru Impreza Technical Service Bulletins

138 technical service bulletins (TSBs) are on record for the 2003 Subaru Impreza. 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.

• 10174543Apr 30, 2020Equipment. All Models (Vehicle Cleaning- COVID-19Best Practices)
• 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.
• 10150949Oct 26, 2018Transmission and drivetrain, Equipment. This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. In cases where the operator keeps a foot on the clutch pedal for extended periods, an increased amount of heat is generated which can cause the grease inside the bearing to deteriorate.
• 10150924Oct 26, 2018Transmission and drivetrain, Equipment. This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. In cases where the operator keeps a foot on the clutch pedal for extended periods, an increased amount of heat is generated which can cause the grease inside the bearing to deteriorate.
• 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.
• 10130277Jan 11, 2018Body and structure. ( 2017-2018MY Impreza - 5 Dr Only)
• 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.
• 10140499Apr 12, 2016Equipment. Revised TSB. The Subaru Lock Information Site (SLIS) is located at http://lockinfo.subaru.com, and provides information on how to obtain immobilizer codes and key cut codes for Subaru vehicles from the 2000MY to present. This bulletin identifies the equipment required to initialize (reset) the immobilizer code and cut the key blanks, for both immobilizer and non-immobilizer type keys.
• 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.
• 10094182Dec 17, 2014Air bags. Service memo: wql© 48 front passenger air bag inflator recall (nhtsa id 14v© 399) ¨c second mailing
• 10068678Dec 17, 2014Air bags. Summary to be provided on a future date.
• 10093696Nov 6, 2014Air bags. Parts memo: wql48, wqm49 takata front passenger air bag inflator recalls
• 10093691Nov 6, 2014Air bags. Parts reminder: returns to takata for wql48 and wqm49 air bag inflator
• 10093470Oct 15, 2014Air bags. Returns to takata for wql48 and wqm49 air bag inflator
• 10232535Jul 17, 2014Electrical system. Replacement Key and Immobilizer Info
• 10234829Jan 15, 2014Fuel system. Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts
• 10089957Jan 15, 2014Transmission and drivetrain. 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 high-pitched sound coming from the transmission extension housing area.
• 10234828May 22, 2013Transmission and drivetrain. 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.
• 10232879Apr 25, 2013Electrical system. Replacement Key and Immobilizer info
• 10235830Jan 3, 2013Engine. Repair Procedure for High-Pitched Sound
• 10079980Jan 3, 2013Transmission and drivetrain. 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. In cold temperatures, thermal contraction causes shrinking of the transmission case. In high temperatures, expansion of the case occurs. These temperature changes affect the amount of preload on the transfer driven shaft bearings.
• 10234260Dec 13, 2012Electrical system. Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts
• 10093977Dec 13, 2012Equipment. Repair procedure for high-pitched sound from extension housing area using latest generation production parts
• 10234261Dec 12, 2012Transmission and drivetrain. Remanufactured Automatic Transaxle Program
• 10234258Dec 11, 2012Transmission and drivetrain. 5MT Transfer Driven Gear Bearings
• 10037968Feb 3, 2011Tires. Subaru: there is a steering wheel vibration at highway speeds due to an imporper wheel balance.
• 10032464Dec 15, 2009Fuel system. Subaru: wrx cold weather fuel line/hose seepage extended warranty. Vehicles may experience a temporary fuel seepage at a specific engine fuel delivery pipe/hose during cold engine start up in extremely cold outside temperatures. If this conditions occurs, vehicle occupants may notice the smell of fuel.
• 10019343Feb 1, 2006Engine cooling. Rubbing mark on timing belt. Subaru.
• 10017969Oct 4, 2005Suspension. Countermeasure to eliminate front strut noise.
• 10016869Sep 9, 2005Engine cooling. 2.5l remanufactured sohc short block release.
• 10014457Sep 1, 2004Latches, locks and linkages. 2003my keyless entry control module interchangeability. This includes 2003 subaru models.
• 10016483Sep 1, 2003Suspension. On the car rear wheel bearing replacement procedure.
• 10016480Sep 1, 2003Body and structure. Creaking noise from door checker.

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