2019 Subaru Legacy Service and Repair Manual

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Factory-Grade Data

2019 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
  • 3.6R Limited Sedan 4-Door
  • 2.5i Premium Sedan 4-Door
  • 2.5i Sport Sedan 4-Door
  • 2.5i Limited Sedan 4-Door
  • 2.5i Touring Sedan 4-Door

Engines covered

  • 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated
  • 3.6L 3630CC 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

2019 Subaru Legacy 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 #19V49300026/06/2019Component: STRUCTURE

Subaru of America, Inc. (Subaru) is recalling certain 2019 Legacy and Outback vehicles. Spot welds located on the duct below the cowl panel may have been improperly applied, impacting the vehicle's b

Consequence

In the event of a crash, the reduced strength of the vehicle body may increase the risk of injury.

Remedy

Subaru will notify owners, and dealers will inspect the vehicles and repair or repurchase the vehicl

NHTSA #20V21800016/04/2020Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Subaru of America, Inc. (Subaru) is recalling certain 2019 Impreza, Outback, Legacy, and Ascent vehicles. The low pressure fuel pump may become inoperative.

Consequence

If the low pressure fuel pump fails, the engine may stall without the ability to restart the vehicle

Remedy

Subaru will notify owners, and dealers will replace the low pressure fuel pump, free of charge. 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 #11032037

In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the origi

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.

Showing the 8 most recent of 406 technical service bulletins on file with NHTSA.

20240425Component: SERVICE BRAKESCrash reported

Vehicle is equipped with Subaru EyeSight Driver Assist which includes reverse automatic braking. Vehicle was reversing towards a parked vehicle on the street and the RAB feature failed to apply the br

20240425Component: VEHICLE SPEED CONTROLCrash reported

Vehicle is equipped with Subaru EyeSight Driver Assist which includes reverse automatic braking. Vehicle was reversing towards a parked vehicle on the street and the RAB feature failed to apply the br

20240425Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKINGCrash reported

Vehicle is equipped with Subaru EyeSight Driver Assist which includes reverse automatic braking. Vehicle was reversing towards a parked vehicle on the street and the RAB feature failed to apply the br

20231129Component: SERVICE BRAKESCrash reported

Vehicle was using the self driving feature of the Subaru Eyesight system. With the system engaged, the vehicle is supposed to accelerate and apply brakes accordingly as to keep a distance from the veh

20231129Component: VEHICLE SPEED CONTROLCrash reported

Vehicle was using the self driving feature of the Subaru Eyesight system. With the system engaged, the vehicle is supposed to accelerate and apply brakes accordingly as to keep a distance from the veh

Showing the 5 most serious of 142 complaints filed with NHTSA.

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