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Subaru

Subaru Impreza 2006 Service Factory Repair Manual

Subaru Impreza 2006 Service Factory Repair Manual

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Vehicle data plateRef 314774
Brand
Subaru
Vehicle
Cars
Models covered
Impreza
Years
2006
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

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  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Subaru
Model:
Impreza
Year:
2006
Codes
Chassis Code:
G11/G12
Platform:
Subaru Impreza (2nd Generation - GD/GG)
👋 Introduction
Market Position
Segment:
Compact/Sport Compact Sedan and Wagon.
Target Audience:
Enthusiast drivers, DIY mechanics, performance tuning community.
Competitive Analysis
Key Competitors 2006:
Mitsubishi Lancer Evolution, Honda Civic Si, Mazda3, Volkswagen GTI.
Key Features
Vehicle Strengths:
Symmetrical All-Wheel Drive (AWD), turbocharged engine options (WRX/STI), rally heritage, sporty handling.
📋 Manual Details
Coverage Areas
General Coverage:
Comprehensive service and repair for all aspects of the 2006 Subaru Impreza.
Page Count
Estimated Page Count:
Extensive (typical for factory service manuals, often 2000+ pages)
Manual Type
Type:
Factory Service Manual (FSM) / Repair Manual
Language
Language:
English
Format
File Format:
PDF
📖 Manual Coverage
Systems Covered
Powertrain:
Engine (STi, H4SO, H4DOTC), Transmission (manual and automatic), Drivetrain (AWD system).
Chassis:
Suspension (front and rear), Steering, Brakes (ABS, EBD), Wheels, Tires.
Body And Interior:
Body panels, doors, windows, interior trim, seating, HVAC system.
Electrical:
Wiring diagrams, ECU, lighting, audio system, power accessories, sensors.
Procedures Included
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes.
Diagnostics:
Troubleshooting guides, DTC (Diagnostic Trouble Code) interpretation, component testing.
Repair:
Engine overhaul, transmission repair, brake system servicing, suspension component replacement, electrical system repairs.
Assembly Disassembly:
Step-by-step instructions for removing and installing all major components and sub-assemblies.
Technical Depth
Depth:
Detailed diagnostic procedures, torque specifications, electrical schematics, exploded views, and overhaul instructions.
📊 Manual Specifications
File Format
Compatibility:
All versions of Windows and Mac OS.
Reader Requirement:
Adobe Acrobat Reader (or compatible PDF viewer).
Print Quality
Printability:
Printable without restriction.
Binding Type
Binding:
N/A (Digital PDF download)
Paper Type
Paper Type:
N/A (Digital PDF download)
⚙️ Engine Specifications
Primary Engine
Base Engine Type:
Horizontally-opposed (Boxer) 4-cylinder.
Engine Variants
Non Turbo Engine Code:
EJ204 (150 hp / 145 lb-ft) or EJ253 (173 hp / 166 lb-ft depending on market/trim).
Turbocharged Engine Code:
EJ255 (WRX - approx. 230 hp / 235 lb-ft).
Sti Engine Code:
EJ257 (STI - approx. 300 hp / 300 lb-ft).
Performance
Compression Ratio Turbo:
8.4:1 (EJ257 STI)
Bore X Stroke Ej257:
99.5 mm x 79.0 mm
Fuel System
Fuel Delivery:
Sequential Multi-Point Fuel Injection (MPI).
Fuel Type:
Unleaded gasoline, premium unleaded (91 octane or higher) recommended for turbo models.
🔧 Transmission
Standard
Base Transmission:
5-speed manual transmission (all-wheel drive).
Optional
Optional Transmission:
4-speed automatic transmission (available on non-turbo models).
Sti Transmission
Sti Transmission Type:
6-speed manual transmission.
Features
Drivetrain:
Subaru Symmetrical All-Wheel Drive (AWD) with viscous coupling center differential.
📐 Dimensions
Exterior
Length:
Approx. 174.6 inches (4435 mm) for sedan, 173.8 inches (4415 mm) for wagon.
Width:
Approx. 68.1 inches (1730 mm).
Height:
Approx. 57.7 inches (1465 mm) for sedan, 56.1 inches (1425 mm) for wagon.
Weights
Curb Weight:
Varies by model and trim, approx. 3000-3300 lbs (1360-1500 kg).
Wheelbase:
Approx. 104.0 inches (2640 mm).
🛡️ Safety Features
Ratings
NHTSA Frontal Driver:
5-Star (2006 Impreza).
NHTSA Frontal Passenger:
5-Star (2006 Impreza).
NHTSA Side Driver:
5-Star (2006 Impreza).
NHTSA Side Passenger:
5-Star (2006 Impreza).
IIHS Front Impact:
Good (2006 Impreza).
IIHS Side Impact:
Good (2006 Impreza).
Active Features
ABS:
Standard Anti-lock Braking System (ABS).
Ebd:
Electronic Brake-force Distribution (EBD).
Traction Control:
Available Traction Control System (TCS) on some models.
Passive Features
Airbags:
Frontal airbags, front side-impact airbags, available curtain airbags.
Seatbelts:
3-point seat belts with pretensioners and load limiters.
💡 Technology Features
Infotainment
Head Unit:
Standard single-DIN or double-DIN AM/FM/CD audio system. Optional premium sound system with subwoofer available.
Display:
Basic LCD display for audio information. Limited to non-nav models.
Driver Assistance
Cruise Control:
Standard cruise control system.
Connectivity
Aux Input:
Optional auxiliary audio input on some models for connecting external music players.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,750 miles or 3 months for severe driving, or 7,500 miles or 6 months for normal driving (refer to owner's manual for specific conditions).
Engine Air Filter:
Inspect every 15,000 miles, replace as needed. Some recommend replacement every 30,000 miles.
Cabin Air Filter:
Inspect every 15,000 miles, replace as needed. Some recommend replacement every 30,000 miles.
Spark Plugs:
Platinum tipped spark plugs typically have a lifespan of 60,000-100,000 miles, depending on type.
Fluid Specifications
Engine Oil Type:
API SG, SH, or SJ classification; SAE 5W-30 is common. Check manual for specific viscosity based on temperature.
Coolant Type:
Subaru Super Coolant (blue) or equivalent. Diluted 50/50 with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Transmission Fluid Manual:
API GL-4, SAE 75W-90 or 75W-85 gear oil for manual transmissions.
Transmission Fluid Automatic:
Subaru ATF-HP (High Performance) or equivalent Dexron III compatible fluid.
Known Issues
Head Gaskets:
While more prevalent in earlier EJ engines, some later models can experience head gasket leaks due to coolant contamination or overheating.
Turbo Lag Sti:
Characteristic of the EJ257 engine, though tuning can mitigate.
Clutch Wear:
Can be accelerated with aggressive driving, especially in WRX/STI models.
Paint Chipping:
Common on front-end components due to performance nature and road debris.
Exhaust Rust:
Older exhaust systems can be prone to rust in certain climates.
📚 Vehicle History
Brand Heritage
Subaru Heritage:
Known for its robust engineering, Boxer engines, and Symmetrical All-Wheel Drive systems, often associated with rally racing.
Model Evolution
Generation:
Second Generation (GD/GG) Impreza, produced from 2000-2007, with a facelift in 2003 and 2005. The 2006 model falls within the facelifted phase.
Production
Manufacturing Location:
Japan.
Variants:
Offered as a 4-door sedan and a 5-door wagon, with various trim levels including the performance-oriented WRX and WRX STI.
🏆 Awards & Recognition
Recognitions
Sports Compact Car Of The Year:
Subaru Impreza WRX/STI consistently received accolades from automotive publications as a top sports compact and performance sedan/hatchback.
Rally Racing Success:
The Impreza platform's strong association with Subaru's success in the World Rally Championship (WRC) bolstered its performance image.

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