2009 Subaru Impreza service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- 2.5i Sedan 4-Door
- WRX Sedan 4-Door
- 2.5 GT Sedan 4-Door
- WRX Hatchback 4-Door
- WRX Premium Sedan 4-Door
- R Hatchback 4-Door
- R Sedan 4-Door
- WRX Premium Hatchback 4-Door
- 2.5i Hatchback 4-Door
- Outback Sport Hatchback 4-Door
- WRX STI Hatchback 4-Door
- Sport Sedan 4-Door
- Sport Hatchback 4-Door
Engines covered
- 2.5L 2458CC H4 GAS SOHC Naturally Aspirated
- 2.5L 2458CC H4 GAS DOHC Turbocharged
- 2.0L 1994CC 122Cu. In. H4 GAS DOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, 2009-2011 Legacy, Outback, Forester, 2006-2011 Impreza, Tribeca, 2003-2006 Baja, and 2006 Saab 9-2x vehicles
An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou
Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the
Subaru of America, Inc. (Subaru) is recalling certain model year 2007-2009 model year Legacy and Outback vehicles, 2008-2014 Impreza vehicles and 2009-2013 Forester vehicles, all equipped with turbo-c
If the air injection pump overheats, it may melt and increase the risk of a fire.
Subaru will notify owners, and dealers will replace the secondary air injection pump relay, free of
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester vehicles, 2008-2011 Impreza vehicles, 2008-2014 WRX vehicles, 2005-2014 Legacy vehicles, 2005-2014 Outback vehicles and 2006-20
The engine turning off unexpectedly can increase the risk of a crash. If a crash occurs under this
Subaru will notify owners, and dealers will inspect the ignition switch, replacing the ignition swit
Subaru of America, Inc. (Subaru) is recalling certain 2005-2006 Baja, 2009 Forester, Legacy and Outback and 2006-2009 Impreza (including WRX and STI models) and Tribeca vehicles originally sold, or ev
An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou
Subaru will notify owners, and dealers will replace the passenger front air bag inflator, free of ch
Subaru of America, Inc. (Subaru) is recalling certain 2005-2006 Subaru Baja, 2006-2011 Impreza (including WRX and STI models), 2006-2012 Tribeca, 2009-2012 Forester, Legacy, Outback, and 2012 WRX vehi
An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou
Subaru will notify owners, and dealers will replace the front passenger air bag inflator, free of ch
THULE, INC. IS RECALLING 2,323 OWNER-INSTALLED ROOF-MOUNTED FIT KITS, MODELS 3068 AND 3069, MANUFACTURED BETWEEN JANUARY 1, 2008 AND FEBRUARY 28, 2009 THAT ARE USED WITH THULE PODIUM FOOT PACKS, MODEL
THIS MAY RESULT IN THE BOLT(S) SNAPPING OFF DURING USE OR WITHOUT A LOAD. THE UNSECURED RACK AND LO
THULE WILL MAIL A RETRO FIT KIT ALONG WITH REPAIR INSTRUCTIONS TO OWNERS FREE OF CHARGE. THE SAFETY
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2006 Saab 9-2X vehicles or
An inflator explosion may result in sharp metal fragments striking the driver or other occupants res
Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (STI included), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicle
An inflator explosion may result in sharp metal fragments striking the driver or other occupants res
Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the
Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicl
An inflator explosion may result in sharp metal fragments striking the driver or other occupants res
Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
This announcement provides information on the remanufactured CVT transmission program.
This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
This Bulletin provides the diagnostic procedures to be followed when addressing customer concerns of steering wheel/vehicle body vibration when driving at highway speeds when tire/wheel balance is suspected.
This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.
This bulletin contains information to help when attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully
This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.
Showing the 8 most recent of 173 technical service bulletins on file with NHTSA.
FRONT END COLLISION, VEHICLE TOTALED. SEAT BELT FAILURE. BRAKE FAILURE. AIRBAGS FAILED TO DEPLOY. MULTIPLE INJURIES SUSTAINED. *TR
FRONT END COLLISION, VEHICLE TOTALED. SEAT BELT FAILURE. BRAKE FAILURE. AIRBAGS FAILED TO DEPLOY. MULTIPLE INJURIES SUSTAINED. *TR
FRONT END COLLISION, VEHICLE TOTALED. SEAT BELT FAILURE. BRAKE FAILURE. AIRBAGS FAILED TO DEPLOY. MULTIPLE INJURIES SUSTAINED. *TR
I CALLED SUBARU ALMOST 5 MONTHS AGO WHEN I CAME ACROSS THERE WAS A RECALL ON BRAKES SINCE WE WERE HAVING THE ISSUE OF THE BRAKES FLASHING AND THE VEHICLE NOT SHIFTING. MANUFACTURER RECALL #: WUE90 ON
I CALLED SUBARU ALMOST 5 MONTHS AGO WHEN I CAME ACROSS THERE WAS A RECALL ON BRAKES SINCE WE WERE HAVING THE ISSUE OF THE BRAKES FLASHING AND THE VEHICLE NOT SHIFTING. MANUFACTURER RECALL #: WUE90 ON
Showing the 5 most serious of 149 complaints filed with NHTSA.
