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2021 Subaru Legacy Service and Repair Manual
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$49.99 USD
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Covers all 2021 Legacy trims — Premium Sedan 4-Door, Premier Sedan 4-Door, Touring XT Sedan 4-Door +8 more ·
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2021 Subaru Legacy Service and Repair Manual
Regular price
$49.99 USD
Unit price
2021 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
- Premium Sedan 4-Door
- Premier Sedan 4-Door
- Touring XT Sedan 4-Door
- Base Sedan 4-Door
- Convenience Sedan 4-Door
- Sport Sedan 4-Door
- Premier GT Sedan 4-Door
- Limited XT Sedan 4-Door
- Limited GT Sedan 4-Door
- Limited Sedan 4-Door
- Touring Sedan 4-Door
Engines covered
- 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated
- 2.4L 2387CC 146Cu. 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
Subaru of America, Inc. (Subaru) is recalling certain 2020-2022 Outback and Legacy vehicles. A capacitor in the sensors for the Occupant Detection System (ODS) may crack and short circuit, which can
Consequence
An air bag that does not deploy during a crash can increase the risk of injury.
Remedy
Dealers will replace the ODS sensors on the front passenger seat, free of charge. Owner notificatio
Subaru of America, Inc. is recalling certain model year 2021 Crosstrek, 2022 Forester, 2021-2023 Legacy, and Outback vehicles. An insufficient weld may allow water to enter the inhibitor switch, caus
Consequence
An inoperative inhibitor switch may prevent the reverse lights from illuminating and the rearview ca
Remedy
Dealers will replace the inhibitor switch, free of charge. Owner notification letters were mailed J
Subaru of America, Inc. (Subaru) is recalling certain 2020-2021 Outback and Legacy vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive
Consequence
An improperly secured drive chain may slip and break, causing a loss of drive power and increasing t
Remedy
Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guid
This Bulletin announces a correction to the diagnostic procedures for certain CVT related DTCs, including P0730, P0746, P0747, P0841, P0846, P0867, P1867, P1894, and P2723.
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
This bulletin announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units utilized in the models listed.
This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).
This bulletin announces a design change to the TR690 CVT control valve body which features an enhanced line pressure sensor O-ring, designed to prevent abnormal sensor readings caused by O-ring leakage.
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 announcement is an update to safety recall WRA-24 ODS sensor replacement for 2020-2022 MY Subaru Legacy and Outback vehicles.
Showing the 8 most recent of 427 technical service bulletins on file with NHTSA.
The trunk does not stay open leading to sudden closing on body and head for anyone trying to use the trunk. Leading to a concussion and multiple injuries. Dealership said to place a complaint as there
The trunk does not stay open leading to sudden closing on body and head for anyone trying to use the trunk. Leading to a concussion and multiple injuries. Dealership said to place a complaint as there
See attached document for complaint.
Car intermittently will studder and not go into first gear or go into second gear dangerously having car bog down and almost stall and then it violently downshifts having car RMP Hague go very high th
The contact owns a 2021 Subaru Legacy. The contact stated that while driving at various speeds during colder weather, the heater failed to operate as intended. Additionally, the Eyesight system was in
Showing the 5 most serious of 42 complaints filed with NHTSA.
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