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
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
Poor performance of the electronic stability control system when it is activated may result in a los
Subaru will notify owners, and dealers will perform an ABS activation, then flush and replace the br
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability.
This announcement provides information on the remanufactured CVT transmission program.
This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
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.
This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.
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.
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
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
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
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
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.
