Target Audience:
Enthusiast owners, DIY mechanics, independent repair shops.
Value Proposition:
Best bang for the buck for DIY maintenance and repair, empowering owners.
Manual Quality:
Positioned as a comprehensive and expert-level resource for performance Subaru models.
Accessibility:
Immediate download, no waiting, no shipping, cross-platform compatibility.
Powertrain:
Engine (EJ255 - WRX, EJ257 - STI), Turbocharger, Intercooler, Exhaust System
Drivetrain:
5-Speed Manual Transmission (WRX), 6-Speed Manual Transmission (STI), Center Differential, Rear Differential, DCCD (Driver's Control Center Differential)
Chassis:
Suspension (Front & Rear), Steering System, Brakes (Front & Rear)
Electrical:
Wiring Diagrams, ECU, Sensors, Lighting, Audio System
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks & Replenishment, Spark Plug Replacement, Belt Inspection & Replacement
Repair:
Engine Component Overhaul, Turbocharger Rebuild/Replacement, Transmission Rebuild/Replacement, Brake System Repair, Suspension Component Replacement, Steering System Repair
Diagnostics:
Troubleshooting Engine Performance, Drivetrain Issues, Brake System Faults, Electrical System Malfunctions, DTC (Diagnostic Trouble Code) Interpretation
Diagnostic Tools:
Coverage likely includes procedures for using Subaru Select Monitor (SSM) or compatible OBD-II scanners.
Engine Rebuilds:
Detailed specifications for engine disassembly, inspection, component replacement, and reassembly for EJ255 and EJ257 engines.
Transmission Overhaul:
Comprehensive instructions for the 5-speed and 6-speed manual transmissions, including gear inspection, synchro replacement, and bearing services.
Dccd Operation:
Detailed explanation of the DCCD system's operation, calibration, and common repair procedures.
Compatibility:
Windows (All Versions), Linux, macOS
Searchability:
Likely text-searchable PDF for quick information retrieval.
Printability:
Printable for offline use and workshop reference.
Image Resolution:
Assumed high-quality for clear diagrams and illustrations.
Diagram Clarity:
Expect detailed and accurate exploded views, wiring schematics, and repair illustrations.
Binding:
N/A (Digital Format)
Paper Quality:
N/A (Digital Format)
Engine Type Wrx:
2.5L EJ255 Turbocharged Boxer Engine
Engine Type Sti:
2.5L EJ257 Turbocharged Boxer Engine
Horsepower Wrx 2008-2010:
Approx. 265 hp @ 6000 rpm (Varies slightly by year)
Torque Wrx 2008-2010:
Approx. 244 lb-ft @ 4000 rpm (Varies slightly by year)
Horsepower Sti 2008-2010:
Approx. 305 hp @ 6000 rpm
Torque Sti 2008-2010:
Approx. 350 lb-ft @ 4000 rpm
Fuel Injection:
Sequential Electronic Fuel Injection (Multi-point)
Fuel Type:
Premium Unleaded Gasoline (91 Octane or higher recommended)
ECU:
Engine Control Unit (ECU) with specific tuning for WRX and STI models.
Transmission Wrx:
5-Speed Manual Transmission
Transmission Sti:
6-Speed Manual Transmission
Transmission Optional:
None (Manual transmission exclusively for WRX/STI performance models)
Dccd:
Driver's Control Center Differential (DCCD) with manual and automatic modes on STI models.
Gear Ratios Coverage:
Specific gear ratios for both 5-speed and 6-speed transmissions will be detailed.
Transmission Fluid Type:
Likely specifications for manual transmission fluid (MTF) such as Subaru Extra-S or equivalent, with viscosity recommendations (e.g., 75W-90 GL-5).
Wheelbase 2008-2010:
Approx. 103.1 inches (2619 mm)
Length 2008-2010:
Approx. 179.7 inches (4564 mm)
Width 2008-2010:
Approx. 70.5 inches (1791 mm)
Height 2008-2010:
Approx. 57.7 inches (1466 mm)
Curb Weight Wrx Approx:
Around 3200-3300 lbs (1450-1500 kg)
Curb Weight Sti Approx:
Around 3350-3450 lbs (1520-1565 kg)
Gross Vehicle Weight Rating:
Specifications will be provided for GVWR.
Trunk Capacity Approx:
Around 11.3 cubic feet (320 liters)
NHTSA Overall Rating:
Likely received good ratings, manual will detail specific results for frontal, side, and rollover.
IIHS Ratings:
Expect details on front crash, side crash, and roof strength evaluations.
Traction Control:
Subaru's VDC (Vehicle Dynamics Control) system with traction and stability control.
All Wheel Drive:
Symmetrical All-Wheel Drive (AWD) system with Active Torque Split AWD (WRX) and DCCD (STI).
ABS:
Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD).
Airbags:
Frontal, side-impact, and curtain airbags.
Seatbelts:
Pretensioner seatbelts with force limiters.
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for Children) system.
Audio System:
Standard AM/FM/CD audio system with optional navigation. Manual covers head unit removal and wiring.
Navigation:
Optional factory navigation system available on some trims. Manual may cover basic navigation system diagnostics.
Cruise Control:
Standard electronic cruise control system.
Keyless Entry:
Standard keyless entry system with remote locking/unlocking.
Auxiliary Input:
Likely an auxiliary audio input jack for connecting external devices.
Oil Change Interval:
Typically every 3,750 miles (6,000 km) or 6 months for severe driving, or 7,500 miles (12,000 km) or 12 months for normal driving. Manual will specify based on conditions.
Air Filter Replacement:
Refer to manual, typically every 15,000-30,000 miles or as needed based on driving conditions.
Spark Plug Replacement:
Iridium spark plugs typically last 60,000-100,000 miles. Manual will have precise intervals.
Timing Belt Inspection:
These engines use timing *belts*. Interval is typically 60,000-105,000 miles or 60-84 months. Manual will specify exact procedure and interval.
Engine Oil Spec:
Likely 5W-30 or 0W-20 synthetic engine oil meeting API SN or ILSAC GF-5 standards. Manual will provide exact specification.
Coolant Type:
Subaru Super Coolant (Blue) or equivalent with appropriate mix ratio.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Ringland Failure:
Known potential issue on EJ25 engines, especially when modified or driven aggressively. Manual will cover proper engine building techniques.
Clutch Wear:
Performance driving can accelerate clutch wear. Manual covers clutch inspection and replacement.
Turbo Issues:
Turbocharger longevity depends on maintenance; oil starvation and contamination are key concerns. Manual provides detailed turbo servicing procedures.
Subaru Performance:
Subaru's long-standing reputation in rally racing and performance vehicles.
Gd Gg Platform:
These models represent the 'GD' (sedan) and 'GG' (hatchback) chassis generation.
Third Generation Impreza:
This generation, often referred to as 'hawkeye' or 'Bugeye' depending on the specific facelift, brought significant styling and mechanical updates.
Manufacturing Location:
Primarily manufactured in Gunma, Japan.
