Market Position:
The Subaru Forester MY 2004 (SG series) cemented its position as a versatile compact SUV, blending practical utility with Subaru's signature Symmetrical All-Wheel Drive system and boxer engine architecture. It competed effectively against rivals like the Honda CR-V, Toyota RAV4, and Ford Escape, appealing to buyers seeking capability in various weather conditions and a more car-like driving experience than traditional body-on-frame SUVs.
Competitive Analysis:
The 2004 Forester distinguished itself with standard AWD, a higher ground clearance than many competitors, and the unique character of its horizontally-opposed (boxer) engine. Its practical interior, comfortable ride, and reputation for durability made it a strong contender in the segment.
Key Features:
Standard Symmetrical All-Wheel Drive, Boxer Engine, High Ground Clearance, Versatile Cargo Space, Comfortable Ride, Durable Construction.
Coverage Areas:
Engine, Automatic Transmission, Body and Electrical, Body and Exterior, Chassis, Drivetrain, HVAC, Interior, Maintenance Schedule, Repair Procedures, Troubleshooting
Page Count:
Extensive (typical workshop manuals for this era are often 1000+ pages)
Manual Type:
Service Repair Workshop Manual
Systems Covered:
Engine Mechanical, Engine Control System (ECU), Fuel System, Ignition System, Cooling System, Lubrication System, Intake and Exhaust Systems, Automatic Transmission (AT), Drivetrain (All-Wheel Drive system, differentials, drive shafts), Suspension System (front and rear), Steering System, Brake System (front and rear discs, ABS), Electrical System (wiring diagrams, components, circuits), Body and Chassis (frame, panels, doors, glass, interior trim), HVAC System (air conditioning, heating), Safety Systems (airbags, seatbelts)
Procedures Included:
Routine Maintenance (oil changes, filter replacements, fluid checks), Scheduled Maintenance, Component Removal and Installation, Disassembly and Reassembly, Diagnostic Procedures, Troubleshooting Guides, Electrical System Diagnosis, Torque Specifications, Component Testing, Overhaul Procedures
Technical Depth:
Comprehensive, covering from basic maintenance and adjustments to advanced diagnostics and full mechanical overhauls. Includes detailed diagrams, wiring schematics, and step-by-step repair instructions.
File Format:
PDF (Searchable, Printable)
Print Quality:
High-resolution scans of original factory documentation, ensuring clarity of text and diagrams.
Binding Type:
N/A (Digital Download - PDF)
Paper Type:
N/A (Digital Download - PDF)
Standard Transmission:
4-Speed Automatic Transmission (4EAT)
Optional Transmission:
5-Speed Manual Transmission
AWD System:
Subaru Symmetrical All-Wheel Drive
Automatic Transmission Fluid Type:
Subaru ATF HP (or equivalent)
NHTSA Front Driver Side Impact Rating:
5 Stars
NHTSA Front Passenger Side Impact Rating:
5 Stars
IIHS Frontal Offset Rating:
Good
Active Features:
ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), Subaru Symmetrical All-Wheel Drive
Passive Features:
Front Airbags, Front Side-Impact Airbags, Crumple Zones, Side-Impact Door Beams
Infotainment Features:
Base models typically featured a 2-DIN AM/FM/CD player. Higher trims may have offered an optional CD changer and premium audio systems.
Driver Assistance Features:
ABS, EBD. Limited advanced driver assistance systems common in modern vehicles.
Connectivity Features:
No integrated Bluetooth or USB connectivity. Auxiliary audio input might be available on some premium head units.
Oil Change Interval:
Every 3,750 miles or 3 months (severe conditions) / 7,500 miles or 6 months (normal conditions)
Engine Air Filter Replacement:
Every 15,000 miles or 12 months
Cabin Air Filter Replacement:
Every 15,000 miles or 12 months
Spark Plug Replacement:
Every 60,000 miles (NGK Iridium recommended)
Timing Belt Replacement:
Every 105,000 miles or 7 years (refer to manual for specific timing components replacement)
Engine Oil Specification:
SAE 5W-30, API Certified, Synthetic or Synthetic Blend recommended
Coolant Specification:
Subaru Super Coolant (Blue) or equivalent silicate-free, ethylene glycol-based coolant
Brake Fluid Specification:
DOT 3 or DOT 4
Power Steering Fluid:
Subaru Genuine Power Steering Fluid or equivalent DEXRON II/III ATF
Known Issues:
Head Gasket Failure (particularly on older EJ series engines, though less prevalent on later models like the SG series), Catalytic Converter Failure, Oil Leaks (valve covers, oil pan), Suspension Wear (bushings, ball joints), Automatic Transmission Clutch Pack Wear (in high mileage units).
Oil Filter Part Number Example:
Subaru 15208AA080 (or aftermarket equivalent)
Engine Air Filter Part Number Example:
Subaru 16546AA020 (or aftermarket equivalent)
Cabin Air Filter Part Number Example:
Subaru 72880FE000 (or aftermarket equivalent)
Spark Plug Part Number Example:
NGK ILFR5B (Iridium)
Brand Heritage:
Subaru, a division of Subaru Corporation (formerly Fuji Heavy Industries), has a long history of producing vehicles with a focus on distinctive engineering, including the boxer engine and all-wheel drive technology.
Model Evolution:
The 2004 model year represents the second generation (SG) of the Subaru Forester, which debuted in 2003. This generation saw significant updates over the first generation, including a larger, more refined exterior, improved interior quality, and updated powertrain options.
Production Location:
Gunma Plant, Japan
Production Years:
2003-2008 (SG Generation)
