2015 Subaru WRX STI Service and Repair Manual

This factory service and repair manual for the 2015 Subaru WRX STI is for the 4-door sedan in four trims: Base, Launch Edition, Limited and Sport-tech. It is powered by a turbocharged 2.5L flat-four with double overhead camshafts that runs on gasoline. Specifications, torque values and diagnostics are given for that engine and its turbocharged induction, fuel and cooling systems, and procedures follow for the transmission, drivetrain, brakes, steering and suspension.

Engines covered

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

Body styles covered

• 4-door sedan

Trims covered

• Base
• Launch Edition
• Limited
• Sport-tech

Known issues on the 2015 WRX STI. NHTSA has received three owner complaints about the 2015 WRX STI. Two name the engine, one the gasoline fuel system and one the structure. For the turbocharged 2.5L flat-four the manual provides procedures, specifications and diagnostics, including its induction and cooling. Fuel system procedures and specifications are there as well, and body specifications for the sedan structure sit alongside them, together with torque values for the suspension.