🏷️ Basic Information

Make:

Subaru

Model:

Impreza

Year:

2007

Generation Code:

G11

Chassis Codes:

GDA, GDB, GGA, GGB

Platform:

Subaru Impreza (Third Generation)

👋 Introduction

Segment:

Compact, All-Wheel Drive focused sport sedan/hatchback

Key Competitors:

Mitsubishi Lancer, Mazda3, Honda Civic Si, Volkswagen GTI

Drivetrain:

Standard Symmetrical All-Wheel Drive across most trims

Performance Variants:

Subaru Impreza WRX and WRX STI offered with turbocharged engines and enhanced performance

Body Styles:

Offered as a 4-door sedan and 5-door hatchback

📋 Manual Details

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF

Estimated Page Count:

Extensive (typical workshop manuals for this era range from 2000-4000 pages)

Scope:

Comprehensive repair and overhaul

📖 Manual Coverage

Engine:

2.5L DOHC Turbocharged (EJ255, EJ257), 2.0L DOHC Naturally Aspirated (EJ204), 2.5L SOHC Naturally Aspirated (EJ253)

Engine Management:

ECU, fuel injection, ignition, emissions control (evaporative, EGR)

Transmission:

5-speed manual, 4-speed automatic (Sportshift)

Drivetrain:

All-Wheel Drive (Symmetrical AWD), differentials, driveshafts, CV joints

Suspension:

Front McPherson strut, rear multi-link, coil springs, dampers, sway bars

Steering:

Hydraulic power steering system

Brakes:

Front ventilated discs, rear solid discs (ABS, EBD, Brake Assist), parking brake

Electrical:

12V battery, alternator, starter, lighting, power windows, central locking, fuse box diagrams

HVAC:

Air conditioning system, heater, ventilation

Body:

Body panels, doors, hoods, trunk, interior trim, glass, bumpers

Chassis:

Frame, subframes, body structure

Maintenance:

Oil changes, filter replacements, spark plug replacement, fluid checks and top-ups, belt inspections

Diagnostics:

Troubleshooting guides, DTC (Diagnostic Trouble Code) interpretation, component testing procedures

Repair:

Engine overhauls, transmission rebuilds, suspension component replacement, brake caliper service, electrical system repairs

Overhaul:

Detailed disassembly and reassembly procedures for major components

Installation:

Component installation and alignment procedures

Depth:

Comprehensive, suitable for professional technicians and advanced DIYers

Detail Level:

Step-by-step instructions, torque specifications, electrical diagrams, special tool requirements

📊 Manual Specifications

Format:

PDF

Searchability:

Likely text-searchable (standard for professional PDFs)

Quality:

High resolution, suitable for printing individual pages or chapters

Type:

N/A (Digital PDF)

Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Code Na:

EJ204 (2.0L), EJ253 (2.5L)

Engine Code Turbo:

EJ255 (WRX), EJ257 (STI)

Horsepower 2.0L:

Approx. 150-160 hp @ 6400 rpm

Torque 2.0L:

Approx. 140-145 lb-ft @ 3200 rpm

Horsepower 2.5L:

Approx. 170-175 hp @ 5600 rpm

Torque 2.5L:

Approx. 170-174 lb-ft @ 4000 rpm

Horsepower Wrx:

Approx. 224 hp @ 5600 rpm

Torque Wrx:

Approx. 226 lb-ft @ 3600 rpm

Horsepower Sti:

Approx. 305 hp @ 6000 rpm

Torque Sti:

Approx. 290 lb-ft @ 4000 rpm

Injection Type:

Multi-point fuel injection (MPI) or Sequential Electronic Fuel Injection (SEFI)

Fuel Type:

Unleaded gasoline (91 octane or higher recommended for turbo models)

Turbo System:

Water-cooled IHI turbocharger (WRX/STI), intercooler

🔧 Transmission

Type:

5-speed manual transmission (TY757, TY758 for STI)

Type:

4-speed automatic with Sportshift (4EAT)

AWD System:

Symmetrical All-Wheel Drive with viscous coupling center differential

Sti Features:

Driver Controlled Center Differential (DCCD), helical front limited-slip differential, mechanical rear limited-slip differential

📐 Dimensions

Length Sedan:

173.8 inches (4,415 mm)

Length Hatchback:

170.1 inches (4,320 mm)

Width:

68.7 inches (1,745 mm)

Height Sedan:

57.7 inches (1,465 mm)

Height Hatchback:

57.1 inches (1,450 mm)

Wheelbase:

103.1 inches (2,619 mm)

Cargo Volume Sedan:

11.4 cu ft (323 L)

Cargo Volume Hatchback:

19.1 cu ft (541 L) (seats up)

Curb Weight Start:

Approx. 3,100 lbs (1,406 kg) for base models

Curb Weight End:

Approx. 3,450 lbs (1,565 kg) for WRX STI

🛡️ Safety Features

NHTSA Front Driver:

Good

NHTSA Front Passenger:

Good

NHTSA Side Driver:

Good

NHTSA Side Rear Passenger:

Good

IIHS Front Overlap:

Good

IIHS Side Impact:

Good

ABS:

Standard Anti-lock Braking System

Ebd:

Standard Electronic Brake-force Distribution

Brake Assist:

Standard

Traction Control:

Standard

Stability Control:

Standard Vehicle Dynamics Control (VDC)

Airbags:

Front dual-stage airbags, front side-impact airbags, side-curtain airbags (front and rear)

Seatbelts:

3-point height-adjustable front seatbelts with pretensioners and load limiters, rear 3-point seatbelts

Latch:

Lower Anchors and Tethers for Children (LATCH) system in rear seats

💡 Technology Features

Audio System:

Base models typically featured a single-CD player with AM/FM radio and 4 speakers. Higher trims offered optional premium audio systems with multiple speakers and CD changer.

Navigation:

Optional factory-integrated navigation system available on select higher trims.

Cruise Control:

Standard cruise control system.

Auxiliary Input:

Optional auxiliary audio input jack available on some models/trims.

🔧 Maintenance

Oil Change Interval:

Every 3,750 miles or 6 months (under severe conditions) / Every 7,500 miles or 12 months (under normal conditions), depending on driving style and conditions. Consult manual for specifics.

Air Filter Replacement:

Every 15,000-30,000 miles or as needed based on inspection.

Cabin Air Filter:

Every 15,000 miles or annually.

Spark Plug Replacement:

Iridium plugs typically 60,000-100,000 miles. Consult manual for exact type and interval.

Coolant Replacement:

Initial change at 105,000 miles, then every 30,000-45,000 miles thereafter.

Engine Oil:

SAE 5W-30, API SG or higher (check owner's manual for specific viscosity and SN/GF-5 standard for newer revisions).

Engine Oil Capacity:

Approx. 4.5 US quarts (4.3 L) with filter for 2.5L engine, 4.0 US quarts (3.8 L) for 2.0L engine. Verify with manual.

Transmission Fluid Manual:

API GL-5, SAE 75W-90 hypoid gear oil.

Transmission Fluid Automatic:

Subaru ATF-HP (High Performance) or equivalent DEXRON III/MERCON compatible fluid.

Coolant:

Subaru Genuine Coolant (blue) or equivalent P-HOAT coolant.

Brake Fluid:

DOT 3 or DOT 4.

Power Steering Fluid:

Subaru Genuine Power Steering Fluid or DEXRON II/III ATF.

Head Gaskets:

While Subaru improved head gasket design over earlier generations, they can still be a point of concern, particularly on naturally aspirated EJ25 engines. The manual will detail inspection and replacement procedures.

Turbo Lag:

Characteristic of turbocharged engines of this era, though the WRX/STI models were tuned for responsiveness. The manual will cover turbocharger system diagnostics.

Clutch Wear:

Can be accelerated with aggressive driving, especially in WRX/STI models. Manual covers clutch inspection and replacement.

Cv Joint Boots:

Tearing of CV joint boots can lead to premature wear. Manual details inspection and replacement.

📚 Vehicle History

Brand Focus:

Subaru has a long-standing reputation for its Symmetrical All-Wheel Drive system and horizontally opposed 'boxer' engines, emphasizing performance, safety, and durability.

Generation Start:

The 2007 Subaru Impreza represents the third generation (G11), introduced for the 2007 model year, marking a significant redesign with a new chassis and styling.

Styling Change:

This generation moved away from the previous rally-inspired, wide-body styling for many trims, adopting a more mainstream, contemporary design with a prominent grille and sharper lines.

Production Years:

2007-2011 (for this generation)

Manufacturing Locations:

Primarily manufactured in Japan (Ota, Gunma Prefecture)

🏆 Awards & Recognition

IIHS Award 2007:

Top Safety Pick designation from the IIHS for the 2007 model year.

Car And Driver 10Best:

The WRX and WRX STI variants often featured on Car and Driver's '10Best' lists in various years for their performance and handling.

Emissions Compliance:

Compliant with U.S. EPA and California ARB emissions standards for its model year.