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Subaru Impreza WRX STI 2011 Service Repair Workshop Manual

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🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX STI Year: 2011 Codes Chassis Code: GR/GV Platform: Subaru Global Platform (modified for performance) 👋 Introduction Market Position Segment: Performance Compact...
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类型: Car
厂商:
Subaru
斯库: 425179
标签: 2011 Car Cars Impreza WRX STI Misc Subaru
Subaru Impreza WRX STI 2011 Service Repair Workshop Manual
🏷️ Basic Information
Identification
Make:
Subaru
Model:
Impreza WRX STI
Year:
2011
Codes
Chassis Code:
GR/GV
Platform:
Subaru Global Platform (modified for performance)
👋 Introduction
Market Position
Segment:
Performance Compact Sedan/Hatchback
Usp:
Iconic rally-bred performance, Symmetrical All-Wheel Drive, turbocharged engine, driver-focused cockpit.
Competitive Analysis
Competitors:
Mitsubishi Lancer Evolution, Ford Focus RS (though more niche), Volkswagen Golf GTI (less AWD focus).
Key Features
Performance Focus:
Designed for enthusiasts and motorsport. Emphasizes handling, acceleration, and driver engagement.
📋 Manual Details
Coverage Areas
General Coverage:
Complete service, repair, maintenance, diagnostics, and troubleshooting for all aspects of the 2011 Subaru Impreza WRX STI.
Page Count
Estimated Pages:
2000+
Manual Type
Type:
Factory Service Manual / Workshop Manual
Language
Language:
English
Format
Format:
Digital (PDF)
📖 Manual Coverage
Systems Covered
Powertrain:
Engine, transmission, drivetrain, exhaust system.
Chassis:
Suspension, steering, brakes, wheels, tires.
Electrical:
Engine control, body control, lighting, infotainment, sensors, wiring diagrams.
Body And Interior:
Body panels, doors, interior trim, seats, climate control, safety restraints.
Procedures Included
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections.
Repair:
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.
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