2013 Subaru WRX STI Service and Repair Manual

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Covers all 2013 WRX STI trims — Base Sedan 4-Door, Sport-tech Sedan 4-Door, Base Hatchback 4-Door +1 more ·
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2013 Subaru WRX STI 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

  • Base Sedan 4-Door
  • Sport-tech Sedan 4-Door
  • Base Hatchback 4-Door
  • Sport-tech Hatchback 4-Door

Engines covered

  • 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 #14V83000031/12/2014Component: SERVICE BRAKES, HYDRAULIC

Subaru of America, Inc. (Subaru) is recalling certain model year 2008-2011 Impreza, 2008-2014 WRX and STI, and 2009-2013 Forester vehicles, currently, or formerly, registered in Connecticut, Delaware,

Consequence

Brake fluid may leak due to the brake line corrosion and may result in longer distances being requir

Remedy

Subaru will notify owners, and dealers will apply an anti-corrosion wax to the four-way joint connec

NHTSA #14V31100010/06/2014Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, A

Subaru of America, Inc. (Subaru) is recalling certain model year 2005-2009 Outback and Legacy, 2008-2011 Impreza and 2008-2014 Impreza WRX/STI, and 2009-2013 Forester vehicles, currently, or formerly,

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 test the brake system by depressing the brake pedal and

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 190 technical service bulletins on file with NHTSA.

20190627Component: FUEL/PROPULSION SYSTEM

WHILE DRIVING, MY CHECK ENGINE LIGHT AND THREE OTHER LIGHTS TURNED ON. MY CRUISE CONTROL STARTED BLINKING AND ANOTHER LIGHT WHICH MEANT I WASN'T ABLE TO USE IT OR SWITCH MY CAR INTO SPORT MODE. THESE

20190627Component: UNKNOWN OR OTHER

WHILE DRIVING, MY CHECK ENGINE LIGHT AND THREE OTHER LIGHTS TURNED ON. MY CRUISE CONTROL STARTED BLINKING AND ANOTHER LIGHT WHICH MEANT I WASN'T ABLE TO USE IT OR SWITCH MY CAR INTO SPORT MODE. THESE

20180413Component: ENGINE

WHILE DRIVING ON 1-95 THE CAR THE VEHICLE SUDDENLY SHUT OFF, CAUSING A VERY UNSAFE SITUATION AS THE STEERING AND BRAKE PEDAL GOT VERY STIFF AND THE VEHICLE WAS HARD TO CONTROL PROPERLY. THE VEHICL

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