Market Position:
The Subaru Forester of this era established itself as a leading compact SUV, known for its Symmetrical All-Wheel Drive, practical utility, and rugged yet refined character. It competed effectively against models like the Honda CR-V, Toyota RAV4, and Ford Escape.
Competitive Analysis:
This generation of Forester offered a more car-like driving experience than many truck-based SUVs of the time, coupled with Subaru's signature AWD system which provided superior traction in adverse weather conditions. Its wagon-like body style appealed to those seeking versatility.
Key Features:
Symmetrical All-Wheel Drive, horizontally opposed (Boxer) engines, high ground clearance, spacious interior, excellent visibility, robust build quality.
Coverage Years:
1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Estimated Page Count:
Over 2000 pages (comprehensive)
Manual Type:
Workshop Service Repair Manual
Manual Contents:
Factory-authorized content or equivalent detailed professional technician's guide.
Format:
Digital (likely PDF)
Engine Systems:
Engine Mechanical, Engine Control System (ECU), Fuel System, Ignition System, Exhaust System, Cooling System, Lubrication System
Transmission Systems:
Manual Transmission, Automatic Transmission, Transfer Case, Drivetrain
Chassis Systems:
Suspension (Front and Rear), Steering System, Braking System, Wheels and Tires
Electrical Systems:
Electrical Schematics, Lighting System, Audio System, Power Accessories, Battery, Charging System, Starting System, Engine Control Unit (ECU) Wiring
Body Systems:
Body and Frame, Exterior Trim, Interior Trim, Doors, Windows, Seats, HVAC System
Emission Control Systems:
Covers components like the oxygen sensors, catalytic converter, EGR system, and associated diagnostic procedures.
Maintenance Procedures:
Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Replacement, Fluid Level Checks and Top-ups, Belt Inspection and Replacement
Repair Procedures:
Engine Reassembly, Transmission Overhaul, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Replacement, Body Panel Repair
Troubleshooting Procedures:
Diagnostic Trouble Codes (DTCs), Symptom-based Troubleshooting Guides, Electrical System Diagnosis Charts
Drivetrain Repair:
Detailed instructions for differential maintenance, driveshaft inspection and replacement, CV axle replacement, and transfer case service.
Engine Rebuild Specifications:
Includes cylinder bore dimensions, piston ring gap specifications, bearing clearances, valve seat specifications, and torque values for critical engine fasteners for complete engine rebuilds.
Body And Interior Repair:
Procedures for removing and installing body panels, doors, windows, interior trim pieces, seats, and HVAC components.
Technical Depth:
Comprehensive: Includes detailed diagnostic procedures, step-by-step repair instructions, exploded views, torque specifications, wiring diagrams, and specifications for all major systems.
Diagnostic Flowcharts:
Yes, includes systematic troubleshooting guides and diagnostic flowcharts for common electrical and mechanical issues.
Wiring Diagrams:
Extensive, high-quality wiring diagrams covering all electrical systems, including engine management, body electronics, and comfort features.
Primary Engine Options:
2.5L Naturally Aspirated Boxer (EJ253, EJ251, EJ252), 2.0L Naturally Aspirated Boxer (EJ204), 2.0L Turbocharged Boxer (EJ205 - Forester STI/GT), 2.5L Turbocharged Boxer (EJ255 - Forester STI).
Performance Naturally Aspirated 2.5L:
Approx. 165-175 hp, 166-177 lb-ft torque (varies by year and specific engine code)
Performance Turbocharged 2.5L:
Approx. 210-230 hp, 235-250 lb-ft torque (varies by model/trim)
Fuel System:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline (87 octane recommended for NA, 91+ for turbo models)
Specific Engine Details Ej253:
2.5L SOHC NA, Approx. 165 HP @ 5600 RPM, 166 lb-ft @ 4000 RPM
Specific Engine Details Ej255:
2.5L DOHC Turbocharged, Approx. 230 HP @ 5600 RPM, 235 lb-ft @ 3000 RPM (Forester XT)
Standard Transmission:
5-speed Manual Transmission
Optional Transmission:
4-speed Automatic Transmission (with SportShift on some later models)
Drivetrain Type:
Symmetrical All-Wheel Drive (AWD)
Transfer Case:
Center Differential with Viscous Coupling (Manual), Planetary Gear Center Differential with Variable Transfer Clutch (Automatic)
Manual Transmission Fluid Type:
API GL-5, SAE 75W-90 (or equivalent, check specific manual)
Automatic Transmission Fluid Type:
Subaru ATF-HP (or equivalent, check specific manual)
NHTSA Front Impact Driver:
5 Stars (for applicable models)
NHTSA Front Impact Passenger:
5 Stars (for applicable models)
IIHS Side Impact:
Good (for applicable models)
Active Safety Features:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA)
Passive Safety Features:
Front Airbags, Side Curtain Airbags (on later models), Pretensioner Seatbelts, Crumple Zones
Oil Change Interval:
Every 3,750 to 7,500 miles or 6 to 12 months, depending on driving conditions and oil type (check manual for specifics)
Air Filter Replacement Interval:
Every 15,000 to 30,000 miles or 12-24 months
Spark Plug Replacement Interval:
Every 60,000 to 100,000 miles (depending on plug type - copper vs. platinum/iridium)
Engine Oil Type:
5W-30 or 10W-30 (API SN/SM/SL) - consult manual for specific grade and capacity
Coolant Type:
Subaru Super Coolant (Blue) or equivalent silicate-free ethylene glycol coolant
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid Type:
Subaru Genuine Power Steering Fluid or Dexron III compatible ATF
Differential Fluid Type:
API GL-5, SAE 75W-90 for front and rear differentials
Known Issues Head Gaskets:
Coolant leaks from head gaskets (especially on early EJ25 engines) is a common concern, though often addressed under recall or warranty. This manual will detail diagnosis and repair.
Known Issues Catalytic Converter:
Premature failure of catalytic converters, particularly on turbocharged models, can occur due to various factors. The manual covers related diagnostics.
Known Issues Suspension:
Wear in suspension components such as control arm bushings and sway bar links is typical for vehicles of this age and mileage. The manual provides replacement procedures.
Brand Heritage:
Subaru has a long history of producing vehicles with Symmetrical All-Wheel Drive and horizontally opposed Boxer engines, fostering a reputation for reliability, durability, and capability, particularly in adverse weather and off-road conditions.
Model Evolution Generation:
The first generation (SF, 1997-2002) introduced the concept of a raised wagon with AWD. The second generation (SG, 2003-2008) refined the styling, improved the interior, and offered more powerful engine options, including turbo variants for the Forester STI.
Production Location:
Japan (Gunma Plant)
Production Years Global:
1997-2008 (for SF and SG generations)
