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
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
Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Dealers will replace the low-pressure fuel pump, free of charge. Owner notification letters were ma
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
In the event of a crash, the reduced strength of the vehicle body may increase the risk of injury.
Subaru will notify owners, and dealers will inspect the vehicles and repair or repurchase the vehicl
Subaru of America, Inc. (Subaru) is recalling certain 2019 Impreza, Outback, Legacy, and Ascent vehicles. The low pressure fuel pump may become inoperative.
If the low pressure fuel pump fails, the engine may stall without the ability to restart the vehicle
Subaru will notify owners, and dealers will replace the low pressure fuel pump, free of charge. The
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 diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT) are detected by Keyless Access with Push Button Start(KACM).
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.
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
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.
Showing the 8 most recent of 332 technical service bulletins on file with NHTSA.
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
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
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
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
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.
