2015 Subaru Legacy Service and Repair Manual

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Covers all 2015 Legacy trims — 3.6R Touring Sedan 4-Door, 2.5i Sedan 4-Door, 3.6R Limited Sedan 4-Door +6 more ·
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2015 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

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

Engines covered

  • 3.6L 3630CC H6 GAS DOHC Naturally Aspirated
  • 2.5L 2498CC 152Cu. In. H4 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
NHTSA #16V25100027/04/2016Component: ELECTRONIC STABILITY CONTROL (ESC)

Subaru of America, Inc. (Subaru) is recalling certain model year 2015 Legacy and Outback vehicles manufactured on July 20, 2015. The brake fluid used in these vehicles may contain excess moisture whi

Consequence

Poor performance of the electronic stability control system when it is activated may result in a los

Remedy

Subaru will notify owners, and dealers will perform an ABS activation, then flush and replace the br

TSB #11033069

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

TSB #11033063

This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability.

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

Showing the 8 most recent of 358 technical service bulletins on file with NHTSA.

20160406Component: ENGINECrash reportedFire reported1 injured

TL* THE CONTACT OWNED A 2015 SUBARU LEGACY. WHILE DRIVING AT AN UNSPECIFIED RATE OF SPEED, AN ANIMAL WENT ACROSS THE DRIVER'S PATH. THE DRIVER VEERED TO THE RIGHT AND CRASHED INTO A TREE. THE VEHICLE

20260227Component: FUEL/PROPULSION SYSTEMCrash reported3 injured

I am reporting a Sudden Unintended Deceleration event in my Subaru. The vehicle grinded to a halt without driver input. The car stopped in the left lane of a major highway. We put on our hazards and

20260227Component: ENGINECrash reported3 injured

I am reporting a Sudden Unintended Deceleration event in my Subaru. The vehicle grinded to a halt without driver input. The car stopped in the left lane of a major highway. We put on our hazards and

20260227Component: FORWARD COLLISION AVOIDANCE: WARNINGSCrash reported3 injured

I am reporting a Sudden Unintended Deceleration event in my Subaru. The vehicle grinded to a halt without driver input. The car stopped in the left lane of a major highway. We put on our hazards and

20151130Component: VEHICLE SPEED CONTROLCrash reported2 injured

SLOWLY PULLING INTO A PARKING SPOT, WHEN THE CAR ACCELERATED (UNINTENDED ACCELERATION) INTO A BRICK WALL. MY PASSENGER SUFFERED 3 BROKEN RIBS FROM THE SEAT BELT, AND I SUFFERED WHIPLASH, BRUISING FROM

Showing the 5 most serious of 232 complaints filed with NHTSA.

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