2019 Subaru WRX Service and Repair Manual

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Factory-Grade Data

2019 Subaru WRX 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

  • Premium Sedan 4-Door
  • Base Sedan 4-Door
  • Raui Edition Sedan 4-Door
  • Sport Sedan 4-Door
  • Sport-tech Sedan 4-Door
  • Sport-tech RS Sedan 4-Door
  • 6 Man Sedan 4-Door
  • Limited Sedan 4-Door
  • CVT Sedan 4-Door

Engines covered

  • 2.0L 1998CC 122Cu. In. 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

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Vehicle Safety Data

2019 Subaru WRX Recalls & Complaints

NHTSA #21V58700029/07/2021Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2018 Forester, 2018-2020 Impreza, Legacy, Outback, 2018-2019 BRZ, WRX, and Toyota 86 vehicles. The low-pressure fuel pump insid

Consequence

Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Remedy

Dealers will replace the low-pressure fuel pump, free of charge. Owner notification letters were ma

NHTSA #22V52200021/07/2022Component: EXTERIOR LIGHTING:BACK UP LIGHTS:SWITCH

Subaru of America, Inc. (Subaru) is recalling certain 2015-2021 WRX vehicles. The backup light switch may corrode and become inoperative, which can result in the backup lights not illuminating and th

Consequence

Inoperative backup lights and an inoperative rearview camera can reduce vehicle visibility and drive

Remedy

Dealers will inspect and replace the backup light switch, as necessary, free of charge. Owner notif

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 #11030577

In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a new voluntary emissions recall for certain 2018 model year WRX and Forester vehicles and certain 2019 MY WRX equipped with a 2.0L turbo engine.

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 #11030564

This announcement provides information on the voluntary emissions recall WRA-26 for the rear catalyst non-compliance.

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 354 technical service bulletins on file with NHTSA.

20260422Component: ENGINE

fuel pump cut off intermeeting mager loss off power tech at subaru refuse to repair car has 72000 miles on well manetane

20260422Component: FUEL/PROPULSION SYSTEM

fuel pump cut off intermeeting mager loss off power tech at subaru refuse to repair car has 72000 miles on well manetane

20260422Component: ELECTRICAL SYSTEM

fuel pump cut off intermeeting mager loss off power tech at subaru refuse to repair car has 72000 miles on well manetane

20260204Component: STEERING

I'm driving down the road and unexpectedly the power steering completely goes out and the car is almost impossible to steer. When I shut the car off it usually resets sometimes for only a couple secon

20260204Component: ELECTRICAL SYSTEM

I'm driving down the road and unexpectedly the power steering completely goes out and the car is almost impossible to steer. When I shut the car off it usually resets sometimes for only a couple secon

Showing the 5 most serious of 40 complaints filed with NHTSA.

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