🏷️ Basic Information

Make:

Subaru

Model:

Impreza

Year:

2000

Market Segment:

Compact Car

Chassis Code General:

GD/GG (This generation largely spans GD for sedan, GG for wagon, though 2000 is primarily GD generation)

👋 Introduction

Market Standing:

The Subaru Impreza 2000 was positioned as a reliable and capable compact car, known for its standard All-Wheel Drive system, appealing to buyers seeking security and performance in various weather conditions.

Key Competitors:

Honda Civic, Toyota Corolla, Mitsubishi Lancer, Mazda Protege, Ford Focus.

Distinguishing Features:

Standard Symmetrical All-Wheel Drive (AWD), horizontally-opposed 'Boxer' engine, durable build quality, strong rally heritage.

📋 Manual Details

Primary Coverage:

Repair, maintenance, diagnostics, troubleshooting, and specifications for the 2000 Subaru Impreza.

Secondary Coverage:

Component removal and installation, wiring diagrams, technical service bulletins (TSBs) if included by factory.

Estimated Page Count:

1500-2000 (typical for comprehensive factory service manuals)

Type:

Factory Service Manual (FSM) / Repair Manual

Language:

English

Format:

Likely PDF or physical bound book (assuming digital for modern sales)

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, crankshaft, pistons, connecting rods, lubrication system, cooling system, timing belt/chain, fuel injection, emissions control.

Engine Management:

ECU (Engine Control Unit) diagnosis, sensor inputs (MAP, TPS, O2, MAF), actuator outputs (injectors, ignition coils), diagnostic trouble codes (DTCs), EVAP system.

Transmission Manual:

Clutch system, gearbox assembly, gear shift mechanism, bearings, seals, maintenance procedures.

Transmission Automatic:

Automatic transmission assembly, hydraulic control, torque converter, shift solenoids, transmission fluid (ATF) specifications and servicing.

Drivetrain:

All-Wheel Drive (AWD) system operation, center differential, rear differential, driveshafts, CV joints, propeller shaft.

Suspension:

Front suspension (MacPherson struts), rear suspension (multi-link or strut-based), shock absorbers, springs, control arms, bushings, alignment specifications.

Brakes:

Front disc brakes, rear disc brakes (or drums depending on trim), ABS (Anti-lock Braking System) components and diagnosis, brake fluid specifications, bleeding procedures, parking brake.

Steering:

Power steering system, steering rack, power steering pump, fluid specifications, steering column, tie rods, wheel alignment.

Electrical System:

Battery, alternator, starter motor, wiring harnesses, fuses, relays, lighting systems (headlights, taillights, interior), power windows, door locks, horn.

Body And Interior:

Body panel removal and installation, door hardware, seat removal, dashboard components, HVAC system (heater, ventilation, air conditioning), interior trim, exterior trim.

Chassis And Frame:

Frame construction, mounting points, body rigidity, corrosion prevention.

Safety Systems:

Airbag system (SRS) diagnosis and component replacement, seatbelt mechanisms.

Preventive Maintenance:

Oil change intervals, filter replacements, fluid checks and top-offs, spark plug replacement, timing belt inspection/replacement.

Troubleshooting Guides:

Diagnostic flowcharts for common symptoms (e.g., no-start, rough running, poor performance), DTC interpretation.

Component Removal Installation:

Detailed step-by-step instructions for replacing major and minor components (e.g., alternator, starter, fuel pump, radiator, brake calipers).

Engine Rebuild:

Torque specifications for cylinder head bolts, bearing caps, piston rings, and other critical engine components for overhaul.

Suspension Repair:

Strut replacement, bushing replacement, ball joint inspection and replacement, wheel bearing service.

Brake Service:

Brake pad and rotor replacement, brake caliper servicing, brake fluid flush and bleeding.

Electrical Diagnostics:

Using multimeters, interpreting wiring diagrams, diagnosing shorts, open circuits, and ground issues.

HVAC Service:

Refrigerant handling (if applicable to the manual's scope), component replacement (compressor, condenser, evaporator), leak detection.

Wheel Alignment:

Specifications for camber, caster, and toe angles for front and rear axles.

Depth:

Comprehensive: Covers everything from basic fluid changes to full engine and transmission rebuilds, including detailed diagnostic procedures.

Diagnostic Tools Required:

Standard hand tools, torque wrenches, multimeter, OBD-II scanner (for DTC retrieval), specialized tools may be indicated for specific procedures.

📊 Manual Specifications

Digital Format Quality:

High-resolution scans or digitally created PDFs, searchable text functionality is desirable.

Physical Print Quality:

Durable paper stock, clear diagrams and text, professional binding (if applicable).

Binding:

Perfect bound or spiral bound for ease of use in a workshop environment.

Paper Type:

Glossy or semi-gloss paper for durability and clarity of diagrams.

⚙️ Engine Specifications

Engine Code:

EJ22 (2.2L Naturally Aspirated), EJ25 SOHC/DOHC (2.5L Naturally Aspirated) - specific to trim

Engine Type:

Horizontally-Opposed (Boxer), 4-cylinder, DOHC or SOHC

Horsepower 2.2L:

Approx. 142 hp @ 5600 rpm (EJ22)

Torque 2.2L:

Approx. 145 lb-ft @ 4000 rpm (EJ22)

Horsepower 2.5L:

Approx. 165 hp @ 5600 rpm (EJ25 SOHC), 175 hp @ 6000 rpm (EJ25 DOHC - WRX variant)

Torque 2.5L:

Approx. 166 lb-ft @ 4000 rpm (EJ25 SOHC), 177 lb-ft @ 4000 rpm (EJ25 DOHC - WRX variant)

Fuel Delivery:

Multi-point fuel injection (MPI)

Fuel Type:

Unleaded gasoline

Ignition System:

Distributorless ignition system (DIS) with coil-on-plug or coil pack

🔧 Transmission

Transmission Type Standard:

5-speed Manual Transmission

Transmission Type Optional:

4-speed Automatic Transmission

Drivetrain:

Symmetrical All-Wheel Drive (AWD) standard on most trims

AWD System Type:

Viscous coupling center differential (for manual) or electronically controlled AWD (for automatic)

📐 Dimensions

Length:

Approx. 175.4 inches (Sedan) / 177.0 inches (Wagon)

Width:

Approx. 67.7 inches

Height:

Approx. 55.1 inches (Sedan) / 57.7 inches (Wagon)

Wheelbase:

Approx. 102.4 inches

Ground Clearance:

Approx. 5.7 - 6.1 inches (depending on suspension/trim)

Curb Weight:

Approx. 2800 - 3100 lbs (depending on trim and transmission)

Gross Vehicle Weight Rating:

Varies by model, typically around 4000-4200 lbs

🛡️ Safety Features

NHTSA Front Impact Driver:

4 Stars (2000 Model Year)

NHTSA Front Impact Passenger:

4 Stars (2000 Model Year)

IIHS Side Impact:

Acceptable to Good (depending on specific test and year focus, early generation may vary)

ABS:

Standard on most models, optional on base trims

Traction Control:

Optional or standard on higher trims, often integrated with AWD

Airbags:

Driver and front passenger airbags standard

Seatbelts:

Three-point seatbelts with pretensioners for front occupants

💡 Technology Features

Audio System:

Standard AM/FM stereo with CD player or cassette tape, optional premium audio systems with more speakers.

Climate Control:

Manual or automatic climate control systems depending on trim level.

Cruise Control:

Available as standard or optional feature on most trims.

Keyless Entry:

Available as optional equipment.

🔧 Maintenance

Engine Oil Change:

Every 3,750 miles or 3.75 months (severe driving) / 7,500 miles or 7.5 months (normal driving) with synthetic oil.

Air Filter Replacement:

Every 15,000 miles or 15 months

Spark Plug Replacement:

Every 30,000 miles (copper core) / 60,000-100,000 miles (platinum/iridium - check for specific engine)

Timing Belt Replacement:

Every 105,000 miles or 105 months (critical for EJ engines)

Engine Oil Type:

API SG/SH/SJ, SAE 5W-30 or 10W-30 (check owner's manual for specific climate/engine variant)

Coolant Type:

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

Brake Fluid Type:

DOT 3 or DOT 4

Automatic Transmission Fluid:

Subaru ATF-HP or equivalent (Dexron III may be acceptable, but check for specific update)

Manual Transmission Fluid:

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

Head Gaskets:

While less prevalent on the 2.2L and early 2.5L SOHC engines of this era compared to later generations, head gasket leaks can still occur. The manual will detail inspection and replacement procedures.

Timing Belt Tensioner:

Failure of the timing belt tensioner or idler pulleys can lead to belt jump or breakage, requiring immediate attention. Manual covers inspection and replacement.

Catalytic Converter:

Over time, catalytic converters can become clogged, affecting performance and emissions. The manual provides diagnostic steps for emission control systems.

📚 Vehicle History

Subaru History:

Subaru, a division of Subaru Corporation (formerly Fuji Heavy Industries), has a long history of producing robust vehicles, often distinguished by their boxer engines and standard All-Wheel Drive, reflecting their origins in aircraft manufacturing.

Impreza Generations:

The 2000 model year falls within the first generation (GC/GF/GM chassis) of the Subaru Impreza, which was first introduced globally in 1992. This generation was known for its rally success and evolving powertrain options.

Production Location:

Japan (Primary)

Model Year Context:

The 2000 model year represents a late iteration of the first-generation Impreza, receiving updates before the major redesign for the second generation in 2002.

🏆 Awards & Recognition

Rally Heritage:

The Impreza platform, particularly in its WRX and STI variants, has a storied history in the World Rally Championship (WRC), contributing to its performance image.