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2020 Subaru WRX STI Service and Repair Manual
Regular price
$49.99 USD
Unit price
Covers all 2020 WRX STI trims — Base Sedan 4-Door, Sport Sedan 4-Door, Kanrai Edition Sedan 4-Door +3 more ·
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4.7
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Complete repair procedures
Wiring diagrams & schematics
Torque specifications
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2020 Subaru WRX STI Service and Repair Manual
Regular price
$49.99 USD
Unit price
2020 Subaru WRX STI 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
- Base Sedan 4-Door
- Sport Sedan 4-Door
- Kanrai Edition Sedan 4-Door
- Sport-tech Sedan 4-Door
- STI Sedan 4-Door
- Limited Sedan 4-Door
Engines covered
- 2.5L 2458CC 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
No active recalls
The 2020 Subaru WRX STI has no recalls on file with NHTSA.
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
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
This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.
Showing the 8 most recent of 194 technical service bulletins on file with NHTSA.
No complaints filed
No consumer complaints on file with NHTSA for the 2020 Subaru WRX STI.
Other Years of the Subaru WRX STI
2021 Subaru WRX STI Service and Repair Manual2019 Subaru WRX STI Service and Repair Manual2018 Subaru WRX STI Service and Repair Manual2017 Subaru WRX STI Service and Repair Manual2016 Subaru WRX STI Service and Repair Manual2015 Subaru WRX STI Service and Repair Manual2014 Subaru WRX STI Service and Repair Manual2013 Subaru WRX STI Service and Repair Manual