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Subaru Impreza WRX 2015 Workshop Service Manual for Repair
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🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Year: 2015 Codes Chassis Code: VA 👋 Introduction Market Position Segment: Performance Compact Sedan/Hatchback Target Audience: Enthusiasts, performance driving fans, rally-inspired...
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🏷️ Basic Information
Identification
Make:
Subaru
Model:
Impreza WRX
Year:
2015
Codes
Chassis Code:
VA
👋 Introduction
Market Position
Segment:
Performance Compact Sedan/Hatchback
Target Audience:
Enthusiasts, performance driving fans, rally-inspired vehicle owners.
Competitive Analysis
Key Competitors:
Volkswagen GTI, Honda Civic Si, Ford Focus ST, Mitsubishi Lancer Evolution (historically).
Key Features
Performance Attributes:
Symmetrical All-Wheel Drive, turbocharged boxer engine, sport-tuned suspension, responsive handling.
Rally Heritage:
Direct lineage from Subaru's successful World Rally Championship (WRC) program.
📋 Manual Details
Coverage Areas
General Coverage:
Complete Workshop Service and Repair Manual
Specific Systems Covered:
Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical, HVAC, Body, Emissions, Diagnostics
Page Count
Total Pages:
3000+
Manual Type
Type:
Workshop Service Manual
Language
Language:
English
Format
Format:
PDF
📖 Manual Coverage
Systems Covered
Engine:
Detailed coverage of the EJ207 engine, including disassembly, assembly, timing, lubrication, cooling, fuel injection, ignition, and emissions control systems.
Transmission:
Comprehensive information on the 6-speed manual transmission (TY76) and optional automatic transmission, including internal components, fluid service, and troubleshooting.
Drivetrain:
Detailed procedures for servicing the symmetrical all-wheel-drive system, front and rear differentials, viscous coupling, and center differential.
Suspension Steering:
In-depth coverage of front MacPherson strut and rear double wishbone suspension, steering system (including power steering), alignment specifications, and component replacement.
Brakes:
Detailed information on the braking system, including front and rear disc brakes, ABS, EBD, brake fluid specifications, bleeding procedures, and component replacement.
Electrical:
Extensive coverage of the vehicle's electrical system, including wiring diagrams, fuse box locations, component testing, ECU functions, and lighting systems.
HVAC:
Procedures for servicing the heating, ventilation, and air conditioning (HVAC) system, including refrigerant handling, component testing, and diagnosis.
Bodywork:
Information on body panel removal and installation, interior trim, glass replacement, and exterior lighting.
Emissions Diagnostics:
Detailed diagnostic procedures for emissions-related systems, including O2 sensors, catalytic converter, EGR, and EVAP systems, with specific diagnostic trouble codes (DTCs).
Procedures Included
Routine Maintenance:
Oil and filter changes, air filter replacement, spark plug replacement, fluid level checks and top-ups, brake pad replacement, tire rotation.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault code interpretation, and symptom-based troubleshooting guides.
Major Repairs:
Engine rebuilds, transmission overhauls, differential repairs, suspension component replacement, brake system overhauls, turbocharger servicing.
Electrical Diagnostics:
Component testing using multimeters, oscilloscope usage, diagnosing wiring harness issues, ECU re-flashing, and sensor calibration.
Special Tools:
Identification and usage instructions for special tools required for specific repair and maintenance procedures.
Technical Depth
Level Of Detail:
Comprehensive, suitable for professional technicians and advanced DIY enthusiasts.
Diagnostic Capabilities:
Advanced diagnostic information, including wiring diagrams, sensor data interpretation, and step-by-step troubleshooting flowcharts for all major systems.
Rebuild Procedures:
Detailed procedures for complete engine and transmission rebuilds, including torque specifications, clearances, and assembly sequences.
📊 Manual Specifications
File Format
File Type:
PDF (Portable Document Format)
Searchability:
Fully searchable text content for quick access to specific information.
Print Quality
Resolution:
High-resolution for clear viewing of diagrams and text.
Printable:
Yes, pages can be printed for workshop use.
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Code:
EJ207
Engine Type:
2.0L DOHC turbocharged flat-four boxer engine
Bore X Stroke:
92.0 mm x 75.0 mm
Compression Ratio:
8.5:1
Performance
Horsepower:
295 hp @ 5600 rpm (USDM)
Torque:
290 lb-ft @ 3000 rpm (USDM)
Redline:
7500 rpm
Fuel System
Fuel Delivery:
Multi-point fuel injection (MPI) with Denso injectors
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Turbocharger:
IHI VF48 twin-scroll turbocharger
🔧 Transmission
Standard
Transmission Type:
6-speed Manual Transmission (TY76)
Optional
Transmission Type:
CVT (Continuously Variable Transmission) - NOT typically associated with WRX trim for 2015, but sometimes offered in standard Impreza models. Clarify if this manual covers it.
Features
Drivetrain:
Symmetrical All-Wheel Drive (AWD) with Driver Controlled Center Differential (DCCD) on some trims/manuals.
Clutch Type:
Hydraulically actuated, single-plate dry type
📐 Dimensions
Exterior
Length:
179.9 inches (4570 mm)
Width:
70.7 inches (1795 mm)
Height:
57.9 inches (1470 mm)
Wheelbase:
104.1 inches (2645 mm)
Ground Clearance:
5.6 inches (142 mm)
Weights
Curb Weight:
Approx. 3200 - 3300 lbs (1450 - 1500 kg)
🛡️ Safety Features
Ratings
NHTSA Overall Rating:
5-Star (for 2015 Impreza model generally, WRX specific may vary slightly based on features)
Active Features
Brake Assist:
Yes
Electronic Brakeforce Distribution:
Yes (EBD)
Vehicle Stability Control:
Yes (VDC - Vehicle Dynamics Control)
Traction Control:
Yes (TCS)
Passive Features
Airbags:
Front, side-curtain, front-seat side airbags
Seatbelts:
3-point seatbelts with pretensioners and force limiters
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for Children)
💡 Technology Features
Infotainment
Display Size:
6.2-inch or 7.0-inch touchscreen (depending on trim)
Features:
AM/FM/CD/MP3 stereo, Bluetooth hands-free calling and audio streaming, USB port, auxiliary input jack, SiriusXM Satellite Radio compatibility.
Driver Assistance
Standard Features:
Rearview camera
Optional Features:
Subaru's EyeSight Driver Assist Technology (Adaptive Cruise Control, Pre-Collision Braking, Lane Departure and Sway Warning) - availability varies by trim and market.
Connectivity
Smartphone Integration:
Basic integration via Bluetooth for calls and audio; Apple CarPlay and Android Auto are not natively available on this model.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,750 miles or 3 months (severe driving conditions) / 7,500 miles or 6 months (normal driving conditions). Recommended to use synthetic oil.
Air Filter Replacement:
Every 15,000 miles or 12 months
Spark Plug Replacement:
Every 30,000 miles (iridium type recommended)
Cabin Air Filter Replacement:
Every 15,000 miles or 12 months
Transmission Fluid Change Manual:
Every 30,000 miles or 30 months
Differential Fluid Change Front Rear:
Every 30,000 miles or 30 months
Fluid Specifications
Engine Oil:
SAE 5W-30 Synthetic (API SN or ILSAC GF-5 certified)
Engine Oil Capacity:
5.1 US quarts (4.8 liters) with filter change
Transmission Fluid Manual:
Subaru Extra-S Gear Oil (or equivalent API GL-5 75W-90)
Transmission Fluid Capacity Manual:
2.2 US quarts (2.1 liters)
Front Differential Fluid:
API GL-5 75W-90
Rear Differential Fluid:
API GL-5 75W-90
Coolant:
Subaru Super Coolant (Blue) or equivalent, 50/50 mix with distilled water
Brake Fluid:
DOT 3 or DOT 4
Known Issues
Piston Ring Wear:
Some early EJ25 engines experienced oil consumption due to piston ring design. The EJ207 in the WRX is generally considered more robust, but monitoring oil levels is always advised.
Clutch Wear:
Can be high if subjected to aggressive driving or frequent clutch engagement.
Suspension Components:
Bushings and ball joints can wear over time, especially under spirited driving conditions.
Turbo Lag:
Characteristic of turbocharged engines, though the twin-scroll design helps mitigate it.
📚 Vehicle History
Brand Heritage
Motorsport Legacy:
Subaru's long and successful history in rallying, including multiple WRC manufacturer championships, directly influences the WRX's design and performance.
Model Evolution
Generation:
Third generation (2008-2014) was replaced by the fourth generation in 2015, with the WRX model becoming its own distinct line separate from the standard Impreza hatchback.
Production
Manufacturing Location:
Ōta, Gunma, Japan
🏆 Awards & Recognition
Recognitions
Performance Awards:
Consistently recognized by automotive publications for its performance, handling, and all-wheel-drive capabilities. Often ranked highly in enthusiast polls and comparisons.
Ratings
Consumer Reports:
Variable predicted reliability ratings; often praised for performance but can have mixed reviews on long-term reliability compared to non-performance models.