2004 Subaru Legacy 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
- L Sedan 4-Door
- L Wagon 4-Door
- GT Sedan 4-Door
- L 35th Anniversary Sedan 4-Door
- GT Wagon 4-Door
- L 35th Anniversary Wagon 4-Door
Engines covered
- 2.5L 2458CC H4 GAS SOHC 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
Airtex Products LP (Airtex) is recalling certain model E8598M, E8518M, E8600M, E8596M, and E8597M fuel pumps manufactured July 26, 2013, and July 29, 2013 and used as aftermarket replacements on Subar
A fuel leak in the presence of an ignition source increases the risk of a fire.
Airtex will notify owners, and will replace the fuel pump, free of charge. Recall is expected to be
Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, 2006-2008 Impreza, Tribeca, 2006 Saab 9-2x, and 2003-2006 Baja vehicles originally sold or that have ever be
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 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 2003-2004 Legacy, Outback, and Baja vehicles originally sold or that have ever been registered in Alaska, Colorado, Connecticut, Idaho,
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 frontal air bag inflator, free of
CERTAIN PASSENGER OR SPORT UTILITY VEHICLES MAY HAVE A LOOSE OR OUT OF POSITION FUEL FILLER HOSE CLAMP.
THIS COULD RESULT IN FUEL LEAKAGE. FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT
DEALERS WILL INSPECT AND TIGHTEN THE CLAMP ON THE FUEL FILLER HOSE. OWNER NOTIFICATION BEGAN AUGUST
ON CERTAIN PASSENGER SEDANS, WAGONS, AND SPORT UTILITY VEHICLES, THE CRUISE CONTROL CABLE COULD COME OUT OF ITS TRACK ON THE CRUISE CONTROL LEVER AND LODGE ON THE CONTROL LEVER TAB WHEN THE ACCELERATO
IF THIS OCCURS DURING VEHICLE OPERATION, THE DRIVER COULD LOSE CONTROL OF THE VEHICLE, WHICH COULD R
DEALERS WILL INSTALL A CRUISE CONTROL CABLE RETAINING CLIP TO THE CRUISE CONTROL LEVER TAB ON THE TH
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 175 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNED A 2004 SUBARU LEGACY. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH, THE DRIVER PASSED OUT AND CROSSED OVER TO ONCOMING TRAFFIC. THE VEHICLE CROSSED THE STREET AND C
TL*THE CONTACT OWNS A 2004 SUBARU LEGACY. WHILE DRIVING APPROXIMATELY 15 MPH DURING A SNOW STORM, THE CONTACT DROVE OVER A PATCH OF BLACK ICE. THE VEHICLE BEGAN SLIDING, ROLLED OVER, AND CRASHED. T
TL*THE CONTACT OWNS A 2004 SUBARU LEGACY. WHILE DRIVING AT 2 MPH, THE VEHICLE SUDDENLY ACCELERATED AND WENT THROUGH THE GARAGE WALL. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO AN AUTHORIZED D
WHILE APPLYING THE BRAKE PEDAL VEHICLE ACCELERATED UNCONTROLLABLY. DRIVER CONTINUED TO APPLY THE BRAKE PEDAL AND THE VEHICLE FAILED TO STOP COMPLETELY. THIS CAUSED THE VEHICLE TO COLLIDED INTO THE
WHILE DRIVING.THERE WAS A COLLISION CONSUMER'S VEHICLE WAS HIT ON DRIVERS SIDE. THE OTHER DRIVER WAS DRIVING AT 35-40 MPH. CONSUMER'S SEAT BELT CAME UNDONE. THERE WERE NO INJURIES.*AK
Showing the 5 most serious of 55 complaints filed with NHTSA.
