🏷️ Basic Information

Make:

Subaru

Model:

Impreza P1

Year:

2000

Model Code:

GDB (specific to P1 variant, often associated with STI chassis)

Engine Code Typical:

EJ207 (2.0L Turbocharged Flat-4, P1 specific tune)

👋 Introduction

Model Positioning:

The Subaru Impreza P1 (Prodrive Type 1) was a limited-edition, homologation special model developed by Prodrive for the UK market, based on the GC8 chassis. It was a performance-oriented variant designed to meet Group A rallying homologation requirements, offering enhanced engine tuning, suspension, and braking.

Competitors:

Competed with other rally-bred performance sedans of its era, such as the Mitsubishi Lancer Evolution series and certain Ford Focus RS models, offering a potent AWD drivetrain and turbocharged engine.

Unique Selling Points:

Exclusive Prodrive tuning, unique ECU mapping, upgraded turbocharger, suspension components, larger brakes, specific aerodynamic elements, and a factory-backed performance pedigree.

📋 Manual Details

Coverage Scope:

All models and all repairs A-Z

Estimated Page Count:

Varies based on printing, typically 2000+ pages for a full FSM

Manual Type:

Factory Service Manual (FSM) / Repair Manual / Workshop Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Complete engine disassembly, assembly, inspection, and repair procedures for the EJ207.

Engine Lubrication:

Oil pump, oil filter, oil cooler, oil passages, oil capacity and specifications.

Engine Cooling:

Radiator, water pump, thermostat, coolant flow, capacity, pressure testing, and specifications.

Engine Control:

ECU, sensors (MAP, MAF, O2, Knock), actuators (injectors, ignition coils), fuel injection strategies, ignition timing, diagnostics, and troubleshooting.

Fuel System:

Fuel pump, injectors, fuel pressure regulator, fuel lines, evaporative emissions control (EVAP), fuel tank, and specifications.

Exhaust System:

Catalytic converter, mufflers, exhaust manifold, O2 sensors, emissions control related to exhaust.

Transmission:

Automatic Transmission (specific type if applicable to P1, likely 5-speed manual is more common for performance variants like P1, but manual covers all options)

Drivetrain:

Transfer, propeller shaft, front final drive, rear final drive, front axle, rear axle, AWD system operation and servicing.

Suspension:

Front suspension (struts, control arms, stabilizer bar), rear suspension (multi-link setup), alignment specifications, and repair procedures.

Brakes:

Brake system hydraulics, ABS, brake fluid specifications, rotor and pad replacement, caliper service, parking brake system.

Steering:

Power steering system, pump, rack and pinion, fluid specifications, and troubleshooting.

Electrical System Charging:

Starting system (starter motor, battery), charging system (alternator, voltage regulator), and related components.

Electrical System Lighting:

Headlights, taillights, interior lighting, bulb specifications, wiring diagrams for lighting.

Body And Interior:

Body panels, doors, locks, security system, glass, windows, mirrors, seats, instrument panel, roof, exterior trim, interior trim.

Climate Control:

Automatic air conditioning, manual air conditioning, refrigerant types, servicing procedures, component replacement.

Safety Systems:

Seat belts, Supplemental Restraint System (SRS) components (airbags, sensors, control modules), and troubleshooting.

Driver Information:

Instrument cluster, warning lights, driver information display, vehicle monitoring systems.

Body Control System:

Central locking, power windows, remote keyless entry, body control module (BCM) functions.

Networking:

LAN System (CAN bus or proprietary network for module communication).

Infotainment:

Audio visual, navigation, and telephone system integration and servicing.

Cruise Control:

Auto Cruise Control System operation, installation, and troubleshooting.

Circuit Elements:

Power supply, ground distribution, circuit protection (fuses, relays), and detailed wiring schematics for all systems.

Diagnostic Procedures:

Step-by-step diagnostic flowcharts, fault code interpretation, and troubleshooting guides for common issues.

Repair Procedures:

Complete instructions for component removal, repair, installation, and adjustment.

Maintenance Procedures:

Scheduled maintenance tasks, fluid changes, filter replacements, and inspections.

Technical Specifications:

Torque values, clearances, tolerances, fluid capacities, electrical resistance, and voltage readings.

Depth:

Factory-level detailed, covering basic maintenance to complete engine and transmission rebuilds.

📊 Manual Specifications

PDF Quality:

High resolution, optimized for readability and printing.

Printability:

All pages printable, allows for blown-up image printing.

Binding Type:

Digital (PDF format, no physical binding)

Paper Type:

N/A (Digital format)

Required Software:

Adobe PDF Reader, WinZip

Operating Systems:

All Versions of Windows (including Vista 32/64, XP, ME, 98, NT, 2000) & Mac

⚙️ Engine Specifications

Engine Type:

Horizontally Opposed (Boxer), 4-cylinder, turbocharged, intercooled

Displacement:

1994 cc (2.0 Liters)

Horsepower Ps:

Approx. 280 PS (206 kW; 276 hp) (P1 specific tune)

Torque Nm:

Approx. 350 Nm (258 lb-ft) (P1 specific tune)

Fuel Delivery:

Electronic Fuel Injection (EFI) with Denso or Bosch injectors, high-flow fuel pump.

Recommended Fuel:

Premium Unleaded Gasoline (95-98 RON)

🔧 Transmission

Transmission Type:

5-speed Manual Transmission (likely Type RA or similar performance variant)

Optional Transmission:

Not typically offered for the P1, manual transmission was standard.

Drivetrain:

Symmetrical All-Wheel Drive (AWD) with viscous center differential and mechanical limited-slip rear differential.

Gear Ratios:

Specific ratios for performance driving (manual is key here, P1 likely has optimized ratios).

📐 Dimensions

Length Mm:

Approx. 4340 mm

Width Mm:

Approx. 1700 mm

Height Mm:

Approx. 1400 mm

Curb Weight Kg:

Approx. 1300-1350 kg

Gross Vehicle Weight Rating Kg:

Typically around 1750 kg

🛡️ Safety Features

Crash Test Ratings:

Euro NCAP ratings for GC8 Impreza chassis typically showed good structural integrity, but specific P1 ratings might vary.

Active Safety:

Anti-lock Braking System (ABS), Subaru's Symmetrical AWD system for enhanced traction.

Passive Safety:

Driver and front passenger airbags, reinforced chassis, three-point seatbelts with pre-tensioners.

💡 Technology Features

Infotainment System:

Basic Subaru audio system of the era, with CD player, AM/FM radio. Navigation and telephone systems were optional or aftermarket.

Driver Assistance Features:

Limited to ABS and AWD. No advanced electronic driver aids like traction control or stability control were standard on this performance variant.

Connectivity Features:

Basic wiring for speaker systems and antenna. LAN system for ECU and module communication.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, whichever comes first, depending on driving conditions.

Timing Belt Interval:

Generally around 60,000-100,000 miles (96,000-160,000 km) or 7-10 years, crucial for the EJ207 engine.

Engine Oil Type:

Synthetic or Semi-Synthetic 5W-30 or 5W-40 API SG or higher.

Coolant Type:

Subaru Super Coolant (Blue) or equivalent ethylene glycol-based coolant.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Transmission Fluid Type:

Refer to manual for specific manual transmission fluid (MTF) and differential fluid specifications (e.g., GL-5).

Engine Common Problems:

Head gasket leaks (though less common on EJ207 than earlier EJ22/EJ25, still possible), turbocharger wear, piston ring land failure under extreme stress, ignition coil issues.

Suspension Common Problems:

Worn bushings, strut mounts, and ball joints due to performance driving.

📚 Vehicle History

Subaru Rally Heritage:

Subaru's deep involvement in the World Rally Championship (WRC) with the Impreza platform, achieving multiple driver and manufacturer titles.

Gc8 Generation:

The 2000 model year falls within the second generation (GC/GF/GM) of the Subaru Impreza.

P1 Production Details:

Limited production run (around 500 units), specifically for the UK market, manufactured by Prodrive.

🏆 Awards & Recognition

Rally Success:

The Impreza platform as a whole is a multiple-time WRC Champion, cementing its reputation as a world-class performance vehicle.

Performance Car Reviews:

The P1 model was highly acclaimed by automotive journalists for its driving dynamics, handling, and outright performance, often praised as one of the best handling Imprezas of its time.