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2021 Subaru WRX Service and Repair Manual
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$49.99 USD
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Covers all 2021 WRX trims — EyeSight Sedan 4-Door, Premium Sedan 4-Door, Base Sedan 4-Door +5 more ·
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Complete repair procedures
Wiring diagrams & schematics
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2021 Subaru WRX Service and Repair Manual
Regular price
$49.99 USD
Unit price
2021 Subaru WRX 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
- EyeSight Sedan 4-Door
- Premium Sedan 4-Door
- Base Sedan 4-Door
- Sport Sedan 4-Door
- Sport-tech Sedan 4-Door
- 6 Man Sedan 4-Door
- Limited Sedan 4-Door
- CVT Sedan 4-Door
Engines covered
- 2.0L 1998CC 122Cu. 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 2015-2021 WRX vehicles. The backup light switch may corrode and become inoperative, which can result in the backup lights not illuminating and th
Consequence
Inoperative backup lights and an inoperative rearview camera can reduce vehicle visibility and drive
Remedy
Dealers will inspect and replace the backup light switch, as necessary, free of charge. Owner notif
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
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 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.
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.
Showing the 8 most recent of 200 technical service bulletins on file with NHTSA.
Manual (not power) Driver seat is loose-rocking car only has 47000 miles but this hardware failure will get worse over time definitely a safety concern if bolt breaks it appears that the plastic washe
In October 2024, my vehicle, a 2021 Subaru WRX STI, was purchased from a Toyota dealership (Fort Bend Sterling McCall Toyota). The dealership sold the vehicle with an oil issue and a modified ECM. Thi
I am filing this complaint to report a serious safety concern involving my 2021 Subaru WRX, which is currently covered under the manufacturerâs powertrain warranty as well as an extended warranty.
I am filing this complaint to report a serious safety concern involving my 2021 Subaru WRX, which is currently covered under the manufacturerâs powertrain warranty as well as an extended warranty.
Excessive blow by contaminating MAP sensors & creating lean/rich conditions. This causes loss of power, stalling and will lead to catastrophic engine failure. EGR system is faulty
Showing the 5 most serious of 20 complaints filed with NHTSA.
Other Years of the Subaru WRX
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