Component removal and installation, system diagnostics, specific repair procedures.
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting guides, common issue resolution.
Technical Depth
Depth:
Comprehensive, from basic maintenance to in-depth engine and transmission overhauls, electrical system diagnostics, and body repair.
📊 Manual Specifications
File Format
File Quality:
High-resolution, searchable text, clear diagrams and illustrations.
Print Quality
Printability:
Printable pages for workshop use.
Binding Type
Binding:
N/A (Digital PDF)
Paper Type
Paper Type:
N/A (Digital PDF)
⚙️ Engine Specifications
Primary Engine
Engine Code:
EJ257
Engine Type:
2.5L DOHC 16-valve Turbocharged Boxer-4
Performance
Horsepower:
305 hp @ 6000 rpm
Torque:
290 lb-ft @ 4000 rpm
Fuel System
Fuel Delivery:
Multi-Point Fuel Injection (MPFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Engine Management
ECU:
Denso Engine Control Unit (ECU)
Cooling System
Coolant Type:
Subaru Super Coolant (Blue) or equivalent
🔧 Transmission
Standard
Transmission Type:
6-Speed Manual Transmission (TS251)
Optional
Optional Transmission:
N/A for WRX STI in 2011
Features
Drivetrain:
Symmetrical All-Wheel Drive (AWD) with Driver Controlled Center Differential (DCCD)
Fluid Specifications
Manual Transmission Fluid:
Subaru Manual Transmission Gear Oil API GL-5 75W-90 (e.g., Subaru genuine part number K0305) or equivalent
Dccd Fluid:
Subaru D-CCD Fluid (e.g., Subaru genuine part number K0315) or equivalent
📐 Dimensions
Exterior
Length:
179.5 inches (4559 mm)
Width:
70.7 inches (1796 mm)
Height:
57.7 inches (1466 mm)
Wheelbase:
103.2 inches (2621 mm)
Weights
Curb Weight:
3373 lbs (1530 kg)
Gross Vehicle Weight Rating:
4550 lbs (2064 kg)
Wheels And Tires
Standard Wheel Size:
18 x 8.5 inches
Standard Tire Size:
245/40R18
Bolt Pattern:
5x114.3 mm
🛡️ Safety Features
Ratings
NHTSA Front Impact:
5 Stars
NHTSA Side Impact:
5 Stars
IIHS Headlight Ratings:
Acceptable
Active Features
ABS:
Yes, 4-wheel ABS with EBD
Traction Control:
Yes, VDC (Vehicle Dynamics Control)
Stability Control:
Yes, VDC (Vehicle Dynamics Control)
Passive Features
Airbags:
Driver and front passenger airbags, front side-impact airbags, front and rear side-curtain airbags.
Seatbelts:
3-point height-adjustable front seatbelts with pretensioners and load limiters, rear 3-point seatbelts.
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for CHildren) system
💡 Technology Features
Infotainment
Head Unit:
Standard AM/FM/CD/MP3 audio system with auxiliary input and available subwoofer. Optional navigation system.
Display:
Multi-function display in dashboard for vehicle information, climate control, and audio.
Driver Assistance
Cruise Control:
Standard cruise control functionality.
Keyless Entry:
Remote keyless entry system.
Connectivity
Bluetooth:
Available Bluetooth hands-free connectivity.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,750 miles or 6 months, whichever comes first (severe driving conditions), or 7,500 miles/12 months (normal).
Air Filter Replacement:
Every 15,000 miles or 12 months, or as needed based on conditions.
Spark Plug Replacement:
Every 60,000 miles (Iridium type)
Timing Belt Replacement:
N/A (EJ257 uses a timing chain)
Fluid Specifications
Engine Oil Capacity:
5.8 US quarts (5.5 Liters) with filter change (Subaru recommends 5W-30 Synthetic)
Coolant Capacity:
Approx. 7.5 US quarts (7.1 Liters)
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid
Known Issues
Ej257 Ring Land Failure:
Potential for ring land failure, especially in heavily modified or poorly maintained engines, due to detonation. Requires careful monitoring and potentially upgraded components.
Clutch Wear:
Can be prone to accelerated wear with aggressive driving or frequent clutch use. Manual specific information on inspection and replacement is crucial.
Dccd Actuator Failure:
The electronic Driver Controlled Center Differential actuator can fail, leading to AWD system issues. Manual will detail diagnostics and repair.
📚 Vehicle History
Brand Heritage
Motorsport Legacy:
Subaru's rich history in the World Rally Championship (WRC), with multiple driver and manufacturer titles, deeply influences the WRX STI.
Model Evolution
Generation:
Third Generation (GR/GV) - Hatchback (GR) and Sedan (GV) introduced for 2008-2014 model years.
Key Changes 2011:
Minor styling updates, revised suspension tuning, and improved interior materials compared to earlier models of this generation.
Production
Manufacturing Location:
Ota City, Gunma Prefecture, Japan
🏆 Awards & Recognition
Recognitions
Car And Driver 10Best:
Often featured on Car and Driver's 10Best lists in previous iterations, cementing its status as a performance benchmark.
Ratings
Enthusiast Perception:
Highly regarded by automotive enthusiasts for its driving dynamics and rally heritage. Frequently chosen for track days and spirited driving.
Wenn du dich für eine Auswahl entscheidest, wird die Seite komplett aktualisiert.