2006 Subaru Legacy Service and Repair Manual

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Covers all 2006 Legacy trims — 2.5i Sedan 4-Door, 2.5i Limited Sedan 4-Door, GT Sedan 4-Door +3 more ·
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2006 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

  • 2.5i Sedan 4-Door
  • 2.5i Limited Sedan 4-Door
  • GT Sedan 4-Door
  • 2.5i Wagon 4-Door
  • GT Wagon 4-Door
  • GT spec.B Sedan 4-Door

Engines covered

  • 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 #13V11000027/03/2013Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, A

Subaru is recalling certain model year 2005-2009 Outback and Legacy vehicles manufactured from December 2003, through April 2009 and currently, or formerly, registered in Connecticut, Delaware, Illino

Consequence

Brake line corrosion may result in brake fluid leakage. Fluid leakage may result in longer distance

Remedy

Subaru will notify owners, and dealers will inspect the vehicles. If no brake fluid seepage is obse

NHTSA #19V29700011/04/2019Component: ELECTRICAL SYSTEM:IGNITION:SWITCH

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

Consequence

The engine turning off unexpectedly can increase the risk of a crash. If a crash occurs under this

Remedy

Subaru will notify owners, and dealers will inspect the ignition switch, replacing the ignition swit

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 181 technical service bulletins on file with NHTSA.

20080812Component: UNKNOWN OR OTHERCrash reported3 injured1 fatalities

WHILE DRIVING AT ABOUT 30-40 MPH, THE DRIVER FELT A SUDDEN ACCELARATION THAT COULDN'T CONTROL AND HIS CAR CRASHED AGAINST THE SIDEWALK AND ROLLEDOVER. WE REQUESTED THE DEALER TO INSPECT THE VEHICLE I

20131004Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2006 SUBARU LEGACY. THE CONTACT STATED THAT WHILE DRIVING 20 MPH, ANOTHER VEHICLE CRASH INTO THE PASSENGER'S SIDE OF THE CONTACT'S VEHICLE AND THE AIR BAGS FAILED TO DEPLOY. A P

20130614Component: ELECTRICAL SYSTEMCrash reported1 injured

HELLO, I HAD BOUGHT A 2006 SUBARU LEGACY 2.5 GT LIMITED AND I LIVE IN THE HILLS OF WESTERN MA, SO MY CAR SAW 2 WINTERS. COMING BACK FROM BOSTON, MA 14 MILES FROM HOME (OUT OF 135 MILES) AS I WA

20130614Component: SEAT BELTSCrash reported1 injured

HELLO, I HAD BOUGHT A 2006 SUBARU LEGACY 2.5 GT LIMITED AND I LIVE IN THE HILLS OF WESTERN MA, SO MY CAR SAW 2 WINTERS. COMING BACK FROM BOSTON, MA 14 MILES FROM HOME (OUT OF 135 MILES) AS I WA

20130614Component: SERVICE BRAKESCrash reported1 injured

HELLO, I HAD BOUGHT A 2006 SUBARU LEGACY 2.5 GT LIMITED AND I LIVE IN THE HILLS OF WESTERN MA, SO MY CAR SAW 2 WINTERS. COMING BACK FROM BOSTON, MA 14 MILES FROM HOME (OUT OF 135 MILES) AS I WA

Showing the 5 most serious of 135 complaints filed with NHTSA.

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