2017 Subaru WRX STI Service and Repair Manual

This factory service and repair manual for the 2017 Subaru WRX STI covers a car powered by a turbocharged 2.5L flat-four, a double overhead camshaft engine that burns gasoline. The car is a 4-door sedan in four trims: Base, Limited, Sport and Sport-tech. Engine specifications and torque values are joined by procedures for the fuel and ignition systems, cooling, the transmission and drivetrain, and the brakes, suspension and steering, with wiring diagrams for the electrical system.

Engines covered

• 2.5L flat-four — DOHC, turbocharged, gasoline

Body styles covered

• 4-door sedan

Trims covered

• Base
• Limited
• Sport
• Sport-tech

Known issues on the 2017 WRX STI. On the 2017 WRX STI, the manual gives the turbocharged 2.5L flat-four engine specifications, torque values and diagnostics, along with procedures for the turbocharged intake and the fuel, ignition and cooling systems. Transmission and drivetrain procedures follow, and the sedan body, brakes, suspension and steering have their own procedures and specifications. Wiring diagrams and diagnostics support the electrical system.