2016 Subaru WRX STI Service and Repair Manual

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Factory-Grade Data

2016 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

  • Series.HyperBlue Sedan 4-Door
  • Base 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

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Vehicle Safety Data

2016 Subaru WRX STI Recalls & Complaints

No active recalls The 2016 Subaru WRX STI has no recalls on file with NHTSA.
TSB #11032040

This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.

TSB #11032039

This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

TSB #11032035

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.

TSB #11032034

This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.

TSB #11030567

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

TSB #11030561

This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.

TSB #11030560

This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.

TSB #11030557

This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

Showing the 8 most recent of 217 technical service bulletins on file with NHTSA.

20190222Component: UNKNOWN OR OTHER

DOORS WILL NOT UNLOCK IN KEY FOB PRESS. WILL BEEP CONTINIOUSLY, ONE DOOR WILL INTERMITTENTLY NOT OPEN. ONLY AFFECTS MY DRIVER SIDE DOOR.

20180906Component: ENGINE

TL* THE CONTACT OWNS A 2016 SUBARU WRX STI. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE WOULD OVERHEAT, BUT NO SMOKE WAS PRESENT. THE ODOMETER GAUGE NEEDLE MOVED TO THE HOT INDICATOR. THE CONTACT WOULD

20180615Component: EXTERIOR LIGHTING

OUT OF NOWHERE, THE INFORMATION SCREEN IN THE CENTER OF THE DASH DISPLAYED "HEADLIGHTS DISABLED" THE HEADLIGHTS TURNED OFFI FLICKED THE SWITCH ON AND OFF AND IT CAME BACK ON AND THEN ONLY ONE OF THE H

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