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Subaru Impreza 2003 Service Repair Manual

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$133.00
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$133.00
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๐Ÿท๏ธ Basic Information Identification Make: Subaru Model: Impreza Year: 2003 Product Name: Subaru Impreza 2003 Service Repair Manual Codes Chassis Code: GD/GG ๐Ÿ‘‹ Introduction Market Position Segment: Compact/Subcompact Sedan and Wagon, known for rally heritage and AWD capability Competitive Analysis Competitors: Honda Civic, Toyota Corolla, Mitsubishi Lancer, Mazda3 Key Features All Wheel Drive: Standard Symmetrical All-Wheel Drive (AWD) system for superior traction Performance Engines: Durable Boxer engines, including turbocharged variants for performance models (WRX) Reliability: Reputation for robust engineering and long-term durability Manual Utility Target Audience: Do-it-yourself mechanics and professional technicians ๐Ÿ“‹ Manual Details Coverage Areas Coverage Type: Complete Factory Service Manual Page Count Approximate Pages: 1500+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (PDF) ๐Ÿ“– Manual Coverage Systems Covered Engine: Detailed diagnosis, repair, and overhaul for all gasoline engines (EJ20, EJ25 variations) Transmission: Manual and Automatic transmissions: diagnosis, overhaul, clutch, torque converter, gearboxes Drivetrain: All-Wheel Drive (AWD) system, differentials (front, rear, center), driveshafts, CV joints Suspension: Front and rear suspension systems, struts, springs, control arms, alignment specifications Brakes: Hydraulic brake system, ABS, discs, pads, calipers, lines, bleeding procedures Steering: Power steering system, rack and pinion, steering column, linkages Electrical: Complete wiring diagrams, charging system, starting system, ignition system, lighting, accessories, fuses, relays HVAC: Heating, Ventilation, and Air Conditioning system diagnosis and repair Body: Body panels, doors, hood, trunk, glass, seals, interior trim, collision repair information Diagnostics: On-Board Diagnostics (OBD-II) system, diagnostic trouble codes (DTCs), troubleshooting charts Procedures Included Maintenance: Scheduled maintenance, oil changes, fluid checks, filter replacements, spark plugs, belts Repair: Component removal, installation, and adjustment for all major systems Troubleshooting: Systematic diagnostic procedures for common and complex issues Overhaul: Detailed instructions for complete engine, transmission, and differential rebuilds Torque Specifications: Precise torque values for all fasteners and critical components Special Tools: Identification and usage of Subaru-specific tools required for repairs Technical Depth Depth: Comprehensive: Covers basic maintenance to complete engine/transmission rebuilds and advanced diagnostics ๐Ÿ“Š Manual Specifications File Format Quality: High-resolution scanned pages, clear text and diagrams Searchability: Fully searchable text for quick information retrieval Print Quality Readability: Easy-to-read text sections Diagram Quality: Top-quality diagrams and illustrations Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) โš™๏ธ Engine Specifications Primary Engine Engine Code Standard: EJ253 (2.5L Naturally Aspirated) Engine Code Performance: EJ205 (2.0L Turbocharged - WRX) Performance Horsepower 2.5L: 165 hp @ 5600 rpm Torque 2.5L: 166 lb-ft @ 4000 rpm Horsepower 2.0L Turbo: 227 hp @ 5600 rpm (WRX) Torque 2.0L Turbo: 250 lb-ft @ 3000 rpm (WRX) Fuel System Injection Type: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (87 Octane recommended, 91+ for WRX) Engine Features Configuration: Horizontally-opposed (Boxer) 4-cylinder ๐Ÿ”ง Transmission Standard Transmission Type Standard: 5-speed Manual Optional Transmission Type Optional: 4-speed Automatic Features AWD Coupling: Symmetrical All-Wheel Drive with viscous coupling center differential Fluid Specifications Automatic Fluid Type: Subaru ATF HP (or Dexron III equivalent) Manual Fluid Type: Subaru Extra-S Gear Oil API GL-5 75W-90 ๐Ÿ“ Dimensions Exterior Wheelbase Sedan: 2525 mm (99.4 in) Wheelbase Wagon: 2535 mm (99.8 in) Overall Length Sedan: 4405 mm (173.4 in) Overall Length Wagon: 4409 mm (173.6 in) Weights Curb Weight Est: 1300-1450 kg (2866-3197 lbs) Gvw Est: 1850 kg (4078 lbs) ๐Ÿ›ก๏ธ Safety Features Ratings NHTSA Front Impact: 4/5 Stars (Driver/Passenger) NHTSA Side Impact: 4/5 Stars (Front/Rear) Active Features ABS: Anti-lock Braking System (ABS) standard on most trims Passive Features Airbags: Front airbags, optional side airbags Seatbelts: 3-point seatbelts with pretensioners Body Structure: Reinforced safety cage construction ๐Ÿ’ก Technology Features Infotainment Head Unit: Base models featured AM/FM/CD players; higher trims offered optional premium audio systems. Driver Assistance Traction Control: Traction Control System (TCS) available on some higher trims. Connectivity Aux Input: Not commonly available; aftermarket solutions may exist. ๐Ÿ”ง Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 3 months (whichever comes first), or 7,500 miles/6 months with synthetic oil and filter. Engine Air Filter: Inspect every 15,000 miles, replace as needed. Cabin Air Filter: Replace annually or every 15,000 miles. Spark Plugs: Replace every 60,000 miles (Iridium type). Timing Belt: 90,000 miles or 7 years (critical replacement interval for EJ25 and EJ20 engines). Fluid Specifications Engine Oil Capacity: 4.5 US quarts (4.3 L) with filter (EJ253), 4.8 US quarts (4.5 L) with filter (EJ205) Engine Oil Viscosity: SAE 5W-30 (API SJ or higher) Coolant Type: Subaru Super Coolant (Blue) or equivalent; mixture ratio 50/50 with distilled water. Known Issues Head Gaskets: Common issue on EJ25 engines, particularly earlier revisions. Manual details inspection and replacement procedures. Turbo Wear: Potential for turbocharger wear/failure on WRX models if not properly maintained; manual covers turbo diagnostics and replacement. Clutch Wear: Can experience premature clutch wear, especially in performance driving; manual provides clutch replacement steps. Radiator Leaks: Plastic tanks on radiators can become brittle and leak over time. ๐Ÿ“š Vehicle History Brand...
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Subaru Impreza 2003 Service Repair Manual
๐Ÿท๏ธ Basic Information
Identification
Make:
Subaru
Model:
Impreza
Year:
2003
Product Name:
Subaru Impreza 2003 Service Repair Manual
Codes
Chassis Code:
GD/GG
๐Ÿ‘‹ Introduction
Market Position
Segment:
Compact/Subcompact Sedan and Wagon, known for rally heritage and AWD capability
Competitive Analysis
Competitors:
Honda Civic, Toyota Corolla, Mitsubishi Lancer, Mazda3
Key Features
All Wheel Drive:
Standard Symmetrical All-Wheel Drive (AWD) system for superior traction
Performance Engines:
Durable Boxer engines, including turbocharged variants for performance models (WRX)
Reliability:
Reputation for robust engineering and long-term durability
Manual Utility
Target Audience:
Do-it-yourself mechanics and professional technicians
๐Ÿ“‹ Manual Details
Coverage Areas
Coverage Type:
Complete Factory Service Manual
Page Count
Approximate Pages:
1500+
Manual Type
Type:
Service and Repair Manual
Language
Language:
English
Format
Format:
Digital (PDF)
๐Ÿ“– Manual Coverage
Systems Covered
Engine:
Detailed diagnosis, repair, and overhaul for all gasoline engines (EJ20, EJ25 variations)
Transmission:
Manual and Automatic transmissions: diagnosis, overhaul, clutch, torque converter, gearboxes
Drivetrain:
All-Wheel Drive (AWD) system, differentials (front, rear, center), driveshafts, CV joints
Suspension:
Front and rear suspension systems, struts, springs, control arms, alignment specifications
Brakes:
Hydraulic brake system, ABS, discs, pads, calipers, lines, bleeding procedures
Steering:
Power steering system, rack and pinion, steering column, linkages
Electrical:
Complete wiring diagrams, charging system, starting system, ignition system, lighting, accessories, fuses, relays
HVAC:
Heating, Ventilation, and Air Conditioning system diagnosis and repair
Body:
Body panels, doors, hood, trunk, glass, seals, interior trim, collision repair information
Diagnostics:
On-Board Diagnostics (OBD-II) system, diagnostic trouble codes (DTCs), troubleshooting charts
Procedures Included
Maintenance:
Scheduled maintenance, oil changes, fluid checks, filter replacements, spark plugs, belts
Repair:
Component removal, installation, and adjustment for all major systems
Troubleshooting:
Systematic diagnostic procedures for common and complex issues
Overhaul:
Detailed instructions for complete engine, transmission, and differential rebuilds
Torque Specifications:
Precise torque values for all fasteners and critical components
Special Tools:
Identification and usage of Subaru-specific tools required for repairs
Technical Depth
Depth:
Comprehensive: Covers basic maintenance to complete engine/transmission rebuilds and advanced diagnostics
๐Ÿ“Š Manual Specifications
File Format
Quality:
High-resolution scanned pages, clear text and diagrams
Searchability:
Fully searchable text for quick information retrieval
Print Quality
Readability:
Easy-to-read text sections
Diagram Quality:
Top-quality diagrams and illustrations
Binding Type
Binding:
N/A (Digital)
Paper Type
Paper:
N/A (Digital)
โš™๏ธ Engine Specifications
Primary Engine
Engine Code Standard:
EJ253 (2.5L Naturally Aspirated)
Engine Code Performance:
EJ205 (2.0L Turbocharged - WRX)
Performance
Horsepower 2.5L:
165 hp @ 5600 rpm
Torque 2.5L:
166 lb-ft @ 4000 rpm
Horsepower 2.0L Turbo:
227 hp @ 5600 rpm (WRX)
Torque 2.0L Turbo:
250 lb-ft @ 3000 rpm (WRX)
Fuel System
Injection Type:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (87 Octane recommended, 91+ for WRX)
Engine Features
Configuration:
Horizontally-opposed (Boxer) 4-cylinder
๐Ÿ”ง Transmission
Standard
Transmission Type Standard:
5-speed Manual
Optional
Transmission Type Optional:
4-speed Automatic
Features
AWD Coupling:
Symmetrical All-Wheel Drive with viscous coupling center differential
Fluid Specifications
Automatic Fluid Type:
Subaru ATF HP (or Dexron III equivalent)
Manual Fluid Type:
Subaru Extra-S Gear Oil API GL-5 75W-90
๐Ÿ“ Dimensions
Exterior
Wheelbase Sedan:
2525 mm (99.4 in)
Wheelbase Wagon:
2535 mm (99.8 in)
Overall Length Sedan:
4405 mm (173.4 in)
Overall Length Wagon:
4409 mm (173.6 in)
Weights
Curb Weight Est:
1300-1450 kg (2866-3197 lbs)
Gvw Est:
1850 kg (4078 lbs)
๐Ÿ›ก๏ธ Safety Features
Ratings
NHTSA Front Impact:
4/5 Stars (Driver/Passenger)
NHTSA Side Impact:
4/5 Stars (Front/Rear)
Active Features
ABS:
Anti-lock Braking System (ABS) standard on most trims
Passive Features
Airbags:
Front airbags, optional side airbags
Seatbelts:
3-point seatbelts with pretensioners
Body Structure:
Reinforced safety cage construction
๐Ÿ’ก Technology Features
Infotainment
Head Unit:
Base models featured AM/FM/CD players; higher trims offered optional premium audio systems.
Driver Assistance
Traction Control:
Traction Control System (TCS) available on some higher trims.
Connectivity
Aux Input:
Not commonly available; aftermarket solutions may exist.
๐Ÿ”ง Maintenance
Service Intervals
Oil Change Interval:
Every 3,750 miles or 3 months (whichever comes first), or 7,500 miles/6 months with synthetic oil and filter.
Engine Air Filter:
Inspect every 15,000 miles, replace as needed.
Cabin Air Filter:
Replace annually or every 15,000 miles.
Spark Plugs:
Replace every 60,000 miles (Iridium type).
Timing Belt:
90,000 miles or 7 years (critical replacement interval for EJ25 and EJ20 engines).
Fluid Specifications
Engine Oil Capacity:
4.5 US quarts (4.3 L) with filter (EJ253), 4.8 US quarts (4.5 L) with filter (EJ205)
Engine Oil Viscosity:
SAE 5W-30 (API SJ or higher)
Coolant Type:
Subaru Super Coolant (Blue) or equivalent; mixture ratio 50/50 with distilled water.
Known Issues
Head Gaskets:
Common issue on EJ25 engines, particularly earlier revisions. Manual details inspection and replacement procedures.
Turbo Wear:
Potential for turbocharger wear/failure on WRX models if not properly maintained; manual covers turbo diagnostics and replacement.
Clutch Wear:
Can experience premature clutch wear, especially in performance driving; manual provides clutch replacement steps.
Radiator Leaks:
Plastic tanks on radiators can become brittle and leak over time.
๐Ÿ“š Vehicle History
Brand Heritage
Heritage:
Subaru is renowned for its Symmetrical All-Wheel Drive and boxer engine technology, stemming from its aviation roots.
Model Evolution
Generation:
Second Generation (GD/GG chassis) - Introduced for the 2002 model year.
Redesign Notes:
The 2003 model represented a minor refresh over the initial 2002 launch, with subtle styling tweaks and feature adjustments.
Production
Production Location:
Gunma Plant, Japan
๐Ÿ† Awards & Recognition
Recognitions
Previous Generation Award:
While the 2003 model didn't win specific awards, its predecessor (GC/GF chassis) was highly regarded in motorsport and tuner communities.
Ratings
Consumer Reports Rating Early:
Mixed ratings during its initial years, with praise for AWD but some concerns about reliability in specific areas like head gaskets.
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