Welcome to the factory service manual for the 2004 Subaru Impreza WRX STI, a high-performance compact sedan renowned for its rally-bred heritage and exceptional all-wheel-drive capabilities. This model, part of the GDB generation, is celebrated for its potent 2.5L turbocharged Boxer engine, delivering approximately 300 horsepower and 300 lb-ft of torque, paired with a precise 6-speed manual transmission and Subaru's signature Symmetrical All-Wheel Drive system featuring a Driver Controlled Center Differential (DCCD). Its engineering emphasizes agile handling and a direct connection to the road, making it a standout in its class and a favorite among driving enthusiasts.
This comprehensive manual provides in-depth coverage for all repairs, from routine maintenance to complex overhauls. You will find detailed procedures for the engine, transmission (both manual and automatic variants), drivetrain, suspension, brakes, steering, and electrical systems, including extensive wiring diagrams. The manual also covers body interior and exterior components, climate control, and safety restraint systems. With step-by-step instructions, diagnostic guides, and exploded diagrams, this resource is an indispensable tool for owners and technicians seeking to maintain, troubleshoot, and repair the 2004 Subaru Impreza WRX STI with accuracy and efficiency.
## 2004 Subaru Impreza STI WRX Factory Service Repair Manual (FSM)
**Get the Exact Manual Used by Subaru Technicians!**
This comprehensive manual provides detailed instructions, diagrams, illustrations, and wiring schematics to help you maintain, service, diagnose, and repair your 2004 Subaru Impreza STI WRX.
**Features:**
* **Complete Coverage:** Covers all models and all repairs A-Z, from engine and transmission to body and electrical systems.
* **Easy to Use:** PDF format, compatible with Windows & Mac. Print only the pages you need.
* **Detailed Information:** Includes step-by-step instructions, exploded diagrams, and wiring schematics.
* **Troubleshooting Guides:** Dedicated sections on diagnostics and troubleshooting for various systems.
* **Instant Download, No Shipping Costs:** Get your manual instantly and start repairing!
**What's Included:**
* **General Information:** Introduction, specifications, safety precautions, fluids, and maintenance schedules.
* **Engine:** Mechanical parts, fuel injection, air intake, exhaust, cooling, lubrication, ignition, starting, and diagnostics.
* **Transmission:** Automatic transmission (4AT), manual transmissions (5MT and 6MT), transfer case, driveshaft, and clutch.
* **Chassis:** Front and rear suspension, wheels and tires, differentials, antilock braking system (ABS), brakes, parking brake, and steering.
* **Body:** Climate system, airbags, seatbelts, lighting, wipers/washers, audio system, alarm, glass/windows/mirrors, body panels, instrument panel, seats, locks and security, sunroof, and interior/exterior finishing.
* **Electrical System:** General diagnosis, wiring diagrams, component locations, signals, and troubleshooting procedures.
**Save Money and Gain Expertise!**
Do your own repairs with confidence using this easy-to-follow factory manual!
**Note:** This manual is designed for experienced mechanics and DIY enthusiasts.
**Instant Download, No Shipping Cost!**
**Download your copy today!**
## 2004 Subaru Impreza STI WRX Factory Service Repair Manual (FSM)
**Get the Exact Manual Used by Subaru Technicians!**
This comprehensive manual provides detailed instructions, diagrams, illustrations, and wiring schematics to help you maintain, service, diagnose, and repair your 2004 Subaru Impreza STI WRX.
**Features:**
* **Complete Coverage:** Covers all models and all repairs A-Z, from engine and transmission to body and electrical systems.
* **Easy to Use:** PDF format, compatible with Windows & Mac. Print only the pages you need.
* **Detailed Information:** Includes step-by-step instructions, exploded diagrams, and wiring schematics.
* **Troubleshooting Guides:** Dedicated sections on diagnostics and troubleshooting for various systems.
* **Instant Download, No Shipping Costs:** Get your manual instantly and start repairing!
**What's Included:**
* **General Information:** Introduction, specifications, safety precautions, fluids, and maintenance schedules.
* **Engine:** Mechanical parts, fuel injection, air intake, exhaust, cooling, lubrication, ignition, starting, and diagnostics.
* **Transmission:** Automatic transmission (4AT), manual transmissions (5MT and 6MT), transfer case, driveshaft, and clutch.
* **Chassis:** Front and rear suspension, wheels and tires, differentials, antilock braking system (ABS), brakes, parking brake, and steering.
* **Body:** Climate system, airbags, seatbelts, lighting, wipers/washers, audio system, alarm, glass/windows/mirrors, body panels, instrument panel, seats, locks and security, sunroof, and interior/exterior finishing.
* **Electrical System:** General diagnosis, wiring diagrams, component locations, signals, and troubleshooting procedures.
**Save Money and Gain Expertise!**
Do your own repairs with confidence using this easy-to-follow factory manual!
**Note:** This manual is designed for experienced mechanics and DIY enthusiasts.
**Instant Download, No Shipping Cost!**
**Download your copy today!**
