This comprehensive Workshop Service Repair Manual is specifically designed for the Subaru WRX STI V1 VA model years 2015-2018. It provides detailed information and instructions for servicing, repairing, and maintaining your vehicle. The manual covers both Sedan models and includes all the popular trims like the WRX, WRX+L, WRX-Pre+L, WRX-LTD+L, STI, STI+W, STI-LTD+W, and AWD. The manual delves into various aspects of your vehicle, covering both engine and transmission systems. The engine section focuses on the 2.0L 4-cylinder FA20 petrol and the 2.5L 4-cylinder EJ257 petrol, both turbocharged and equipped with DOHC-VVT technology. The transmission section covers both the 6-speed manual and the 8-speed CVT automatic. The content of this manual is extensive and includes detailed information on all the major components and systems of your Subaru WRX STI. This includes sections on general information, safety information, specifications, tightening torque, service tools, maintenance system, diagnostic trouble codes (DTC), engine mechanical systems, air cleaner, intercooler system, engine fuel system, turbocharger system, air intake system, cooling system, emission control, engine diagnostics, exhaust system, engine control module (ECM), throttle body system, fuel injection system, ignition system, lubrication system, engine electrical system, speed control system, engine mounting system, starting system, charging system, clutch-drive shaft system, continuously variable gearbox (CVT), transmission control, manual transmission, differentials system, transfer case system, brakes system, parking brake system, anti-lock brake system (ABS), brake vacuum control, suspension system, power assisted system, tire pressure monitoring system, wheel and tire system, power steering system, vehicle dynamics control, body structure system, airbag system (SRS), headlight beam leveler system, body control system, communication system, cruise control system, entertainment system, exterior body panels, exterior-interior trim, glass-windows-mirrors, heater ventilator system, air conditioning system, immobilizer system, instrumentation-driver info, keyless access system, LAN system, lighting system, occupant detection system, seat & seat belt system, security and locks system, sunroof-t-top-convertible, wiper and washer systems, wiring harnesses & cables, and system wiring diagrams. With over 6400 pages of detailed illustrations, step-by-step written instructions, and comprehensive diagrams, this manual is an essential resource for both DIY enthusiasts and experienced mechanics. It's a cost-effective way to maintain and repair your Subaru WRX STI and keep it running smoothly for many years to come.

The Subaru WRX STI V1 VA, produced from 2015 to 2018, is a high-performance sports sedan renowned for its powerful engine, sharp handling, and rally-inspired heritage. The heart of the WRX STI V1 VA lies in its 2.5-liter, turbocharged, four-cylinder boxer engine, dubbed the EJ257, which delivers impressive power and torque. Paired with either a six-speed manual transmission or a six-speed automatic transmission, the WRX STI V1 VA offers a thrilling driving experience. Its symmetrical all-wheel drive (AWD) system, coupled with a sophisticated suspension setup, ensures exceptional grip and stability, allowing drivers to tackle challenging roads with confidence. The WRX STI V1 VA is known for its distinctive design, featuring aggressive styling cues like a prominent rear wing, large air intakes, and a sculpted body. The WRX STI V1 VA comes equipped with a comprehensive array of safety and convenience features, including anti-lock brakes, traction control, stability control, and a robust airbag system. The interior features sport seats, a sporty steering wheel, and a user-friendly infotainment system. The WRX STI V1 VA is a highly sought-after performance car that appeals to enthusiasts seeking a blend of power, handling, and practicality. The comprehensive Workshop Service Repair Manual covers a wide range of topics, including general information, safety procedures, specifications, tightening torques, service tools, and detailed step-by-step instructions for maintenance and repair procedures for all major mechanical, electrical, and body systems. With over 6400 pages of detailed information, illustrations, and diagrams, this manual is an invaluable resource for both experienced mechanics and DIY enthusiasts.