2005 Subaru Impreza Service and Repair Manual

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Covers all 2005 Impreza trims — WRX Sedan 4-Door, RS Sedan 4-Door, WRX Wagon 4-Door +3 more ·
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2005 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

  • WRX Sedan 4-Door
  • RS Sedan 4-Door
  • WRX Wagon 4-Door
  • RS Wagon 4-Door
  • Outback Sport Wagon 4-Door
  • WRX STI Sedan 4-Door

Engines covered

  • 2.0L 1994CC H4 GAS DOHC Turbocharged
  • 2.5L 2458CC H4 GAS SOHC Naturally Aspirated
  • 2.5L 2458CC H4 GAS DOHC Turbocharged

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
NHTSA #23V07600013/02/2023Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Subaru of America, Inc. (Subaru) is recalling certain 2004-2005 Impreza and WRX vehicles that received replacement front passenger air bag inflators under a previous recall. The replacement air bag i

Consequence

An incorrectly installed inflator may not properly inflate the passenger air bag, increasing the ris

Remedy

Dealers will inspect the passenger inflator and if necessary, install a new inflator kit, free of ch

NHTSA #11V46400006/09/2011Component: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

SUBARU IS RECALLING CERTAIN MODEL YEAR 2002-2007 IMPREZA, MODEL YEAR 2003-2008 FORESTER, AND MODEL YEAR 2005-2006 SAAB 9-2X VEHICLES MANUFACTURED FROM SEPTEMBER 5, 2000 THROUGH NOVEMBER 26, 2007 ORIGI

Consequence

A BROKEN CONTROL ARM CAN RESULT IN THE LOSS OF CONTROL OF THE VEHICLE, INCREASING THE RISK OF A CRAS

Remedy

SUBARU WILL HANDLE THEIR VEHICLES AND SAAB WILL HANDLE THEIRS. DEALERS WILL INSPECT THE DEGREE OF C

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 #11033069

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

TSB #11033056

This announcement provides information on the remanufactured CVT transmission program.

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.

Showing the 8 most recent of 157 technical service bulletins on file with NHTSA.

20071017Component: SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINTCrash reported1 injured1 fatalities

MY BROTHER WAS DRIVING HIS 2005 WRX STI ON A CLEAR MORNING ON DRY PAVEMENT AND LOST CONTROL. THE CAR SLID OFF THE SHOULDER OF THE ROAD AND THEN CROSSED BACK OVER THE ROAD WHERE IT COLLIDED SIDEWAYS W

20141119Component: STRUCTURE:BODYCrash reported1 injured

ON OCTOBER 10, 2014 AT 6:13 AM I DROVE HOME FROM THE GYM. AS I APPROACHED MY HOUSE I OPENED THE GARAGE DOOR AND THE LIGHT CAME ON. I SLOWED DOWN AND APPLIED THE BRAKE BEFORE ENTERING THE GARAGE, BUT

20141119Component: VEHICLE SPEED CONTROLCrash reported1 injured

ON OCTOBER 10, 2014 AT 6:13 AM I DROVE HOME FROM THE GYM. AS I APPROACHED MY HOUSE I OPENED THE GARAGE DOOR AND THE LIGHT CAME ON. I SLOWED DOWN AND APPLIED THE BRAKE BEFORE ENTERING THE GARAGE, BUT

20050427Component: AIR BAGS:FRONTALCrash reported1 injured

I WAS TRAVAILING 40-45 MPH ON A 2 LANE ROAD IN MY 2005 SUBARU WRX STI. I CAME OUT OF A SMALL S CURVE AND WENT OVER A ROUGH PATCH OF ROAD, AND THE TAIL END OF THE CAR STARTED SLIDING OUT TO THE RIGHT,

20050427Component: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNITCrash reported1 injured

I WAS TRAVAILING 40-45 MPH ON A 2 LANE ROAD IN MY 2005 SUBARU WRX STI. I CAME OUT OF A SMALL S CURVE AND WENT OVER A ROUGH PATCH OF ROAD, AND THE TAIL END OF THE CAR STARTED SLIDING OUT TO THE RIGHT,

Showing the 5 most serious of 95 complaints filed with NHTSA.

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