2003 Subaru Outback Service and Repair Manual

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Factory-Grade Data

2003 Subaru Outback 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

  • Limited Wagon 4-Door
  • VDC Wagon 4-Door
  • L.L. Bean Wagon 4-Door
  • H6 Wagon 4-Door
  • VDC Sedan 4-Door
  • H6 Sedan 4-Door
  • Limited Sedan 4-Door
  • Base Wagon 4-Door

Engines covered

  • 2.5L 2458CC H4 GAS SOHC Naturally Aspirated
  • 3.0L 3000CC H6 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

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Vehicle Safety Data

2003 Subaru Outback Recalls & Complaints

NHTSA #13E06500029/11/2013Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

Airtex will notify owners, and will replace the fuel pump, free of charge. Recall is expected to be

NHTSA #03V23200026/06/2003Component: SUSPENSION:FRONT

ON SOME PASSENGER AND SPORT UTILITY VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, KENTUCKY, MAINE, MARYLAND, MASSACHUSETTS, MICHI

Consequence

IF THE TRANSVERSE LINK WERE TO BREAK DUE TO RUSTING, CONTROL OF THE VEHICLE COULD BE AFFECTED WITHOU

Remedy

DEALERS WILL APPLY ANTI-RUST MATERIAL TO THE LEFT FRONT TRANSVERSE LINK. OWNER NOTIFICATION BEGAN A

NHTSA #16V35900025/05/2016Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the

NHTSA #16V35800025/05/2016Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the

NHTSA #16V36100025/05/2016Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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,

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Subaru will notify owners, and dealers will replace the passenger frontal air bag inflator, free of

NHTSA #03V15300022/04/2003Component: SUSPENSION:REAR

THIS RECALL APPLIES TO CERTAIN PASSENGER VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, KENTUCKY, MAINE, MARYLAND, MASSACHUSETTS,

Consequence

IF SUCH BREAKAGE OCCURS WHILE THE VEHICLE IS BEING OPERATED, CONTROL OF THE VEHICLE COULD BE AFFECTE

Remedy

DEALERS WILL CLEAN AND RUST-PROOF THE REAR SUSPENSION SUBFRAME. OWNER NOTIFICATION BEGAN JULY 14, 2

NHTSA #04V12800016/03/2004Component: VEHICLE SPEED CONTROL:CABLES

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

Consequence

IF THIS OCCURS DURING VEHICLE OPERATION, THE DRIVER COULD LOSE CONTROL OF THE VEHICLE, WHICH COULD R

Remedy

DEALERS WILL INSTALL A CRUISE CONTROL CABLE RETAINING CLIP TO THE CRUISE CONTROL LEVER TAB ON THE TH

NHTSA #20V00200002/01/2020Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the

NHTSA #20V00100002/01/2020Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the

NHTSA #20V00300002/01/2020Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the

TSB #11032040

This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.

TSB #11032039

This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

TSB #11032035

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.

TSB #11032034

This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.

TSB #11030567

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

TSB #11030561

This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.

TSB #11030560

This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.

TSB #11030557

This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

Showing the 8 most recent of 187 technical service bulletins on file with NHTSA.

20160131Component: AIR BAGSCrash reported1 injured

TAKATA RECALL THIS MAY PERTAIN TO THE TAKATA AIR BAG RECALL. MY WIFE AND I WERE IN A "T-BONE" TYPE COLLISION AT ~45 MPH AND THE DRIVER AND PASSENGER AIRBAGS FAILED TO DEPLOY IN OUR 2003 OUTBACK. WHEN

20080317Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDALCrash reported1 injured

TL*THE CONTACT OWNS A 2003 SUBARU OUTBACK. WHILE DRIVING 10 MPH, ENGAGING THE BRAKES, THE VEHICLE ACCELERATED TO THE HIGHEST RPM'S AND HIT THE VEHICLE IN FRONT OF HER. THE VEHICLE STEERING, BRAKES, GE

20041105Component: AIR BAGS:FRONTALCrash reported1 injured

WHILE DRIVING AT 35 MPH CONSUMER'S VEHICLE STRUCK ANOTHER VEHICLE AND THE AIR BAG DID NOT DEPLOY. DRIVER SUSTAINED INJURIES. *AK

20140904Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, ACrash reported

2003 SUBARU OUTBACK. CONSUMER WRITES IN REGARDS TO VEHICLE BRAKE FAILURE. *SMD THE CONSUMER STATED WHEN SHE APPLIED THE BRAKE PEDAL, IT WENT DOWN TO THE FLOOR, WHICH RESULTED IN HER REAR ENDING THE

20100127Component: SERVICE BRAKES, HYDRAULICCrash reported

BRAKE FAILURE AT SUB-FREEZING TEMPERATURES. OCCURS EVERY TIME TEMPERATURE IS BELOW FREEZING. FAILURE APPEARS TO BE IN THE MASTER CYLINDER AS IN PREVIOUS YEAR MODEL OF THIS AUTO. *CN

Showing the 5 most serious of 116 complaints filed with NHTSA.

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