Market Position:
The Subaru Forester is a compact crossover SUV known for its Symmetrical All-Wheel Drive system, practicality, and robust build. This manual serves a critical role for owners, independent repair shops, and parts suppliers needing precise identification of original Subaru parts for the 2003-2006 model years.
Competitors:
Competed against vehicles like the Toyota RAV4, Honda CR-V, Ford Escape, and Mazda Tribute. The Forester differentiated itself with its standard AWD and wagon-like driving dynamics.
Features:
Standard Symmetrical All-Wheel Drive, raised ground clearance for light off-roading, practicality of a wagon with SUV styling, durable interiors.
Target Audience:
Subaru Forester owners, DIY mechanics, automotive repair shops, parts departments, and enthusiasts who require precise part identification for maintenance and restoration.
Coverage:
Complete Parts Catalog for Subaru Forester models manufactured between 2003 and 2006. Includes diagrams, genuine manufacturer part numbers, pricing estimates, and labor time estimates for replacement.
Page Count:
Estimated 500-1000+ pages (typical for a comprehensive parts catalog of this era, exact count not provided in product info)
Type:
Parts Manual / Parts Catalog
Manual Use:
Essential for correct part ordering, inventory management, and accurate cost estimation for repairs. Aids in identifying obsolete or superseded parts.
Format:
Likely digital (PDF) or spiral-bound print (as inferred from 'much larger catalog')
Source Credibility:
Derived from a professional catalog used by dealerships and repair facilities, ensuring accuracy of manufacturer part numbers and relationships.
Completeness Level:
Comprehensive for all genuine Subaru parts fitted to the 2003-2006 Forester across all trims and factory options.
Systems:
Engine & Drivetrain (ej253, ej255), Transmission (Automatic, Manual), Suspension (Front & Rear), Steering, Brakes, Fuel System, Cooling System, Exhaust System, Electrical System (Wiring Harnesses, ECU, Lighting), HVAC, Body & Exterior Panels, Interior Trim, Wheels & Tires, Chassis Components, Safety Systems (Airbags, Seatbelts).
Procedures:
Part identification and replacement, component visualization through exploded diagrams, cross-referencing of part numbers, basic assembly order for components, identification of fasteners and small parts.
Depth:
Detailed component-level identification. Focuses on part numbers and their visual representation, rather than detailed repair instructions. Suitable for parts ordering, inventory, and visual confirmation of correct components.
Part Identification Method:
Exploded view diagrams with numbered components, correlating to a comprehensive list of genuine Subaru part numbers, descriptive names, and quantities required.
Diagnostic Scope:
While not a diagnostic manual, it provides part numbers for components used in diagnostic procedures (e.g., sensors, actuators) and their locations.
Catalog Features:
Itemized lists of parts by system, exploded view diagrams for visual reference, superseded part number cross-referencing, pricing guidance, and estimated labor times for installation.
Documentation Type:
Official Subaru Parts Catalog documentation, providing the definitive list of manufacturer-approved parts.
File Format:
If digital: PDF with searchable text and high-resolution diagrams. If printed: Professional printing with durable binding and clear diagram reproduction.
Print Quality:
High-resolution clarity for diagrams and text, ensuring easy part identification.
Binding:
If printed: Sturdy spiral binding for lay-flat use in a workshop environment, or professional perfect binding.
Paper Type:
If printed: Durable, high-quality paper stock resistant to grease and workshop conditions.
Engine:
2.5L Boxer 4-Cylinder (EJ253 naturally aspirated, EJ255 turbocharged in XT models)
Horsepower Torque:
EJ253: Approx. 165 hp @ 5600 rpm, 166 lb-ft @ 4000 rpm. EJ255 (XT): Approx. 210 hp @ 5600 rpm, 235 lb-ft @ 3600 rpm.
Fuel System:
Electronic Fuel Injection (EFI), Sequential Multi-Port Fuel Injection (MPI).
Engine Codes:
EJ253 (2.5i), EJ255 (2.5XT Turbo). Sub-variations may exist for specific markets.
Exterior Dimensions:
Wheelbase: Approx. 103.5 inches. Length: Approx. 175.9 inches. Width: Approx. 69.7 inches. Height: Approx. 63.5 inches.
Interior Dimensions:
Headroom, Legroom, Shoulder Room figures vary by specific trim and configuration but generally offer comfortable seating for five.
Cargo Capacity:
Cargo volume behind rear seats: Approx. 30.1 cu ft. Maximum cargo volume with rear seats folded: Approx. 67.7 cu ft.
Curb Weight:
Approx. 3200 - 3500 lbs, depending on drivetrain and trim level.
NHTSA Ratings:
Frontal crash test: 5-star rating for driver and front passenger. Side impact crash test: 5-star rating for front and rear passengers (IIHS typically rated 'Good').
Active Safety:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA), Traction Control System (TCS), Vehicle Stability Control (VSC - introduced on later models/trims).
Passive Safety:
Dual front airbags, front side-impact airbags (optional), front and rear crumple zones, body-structure integrity designed to protect occupants.
Infotainment System:
Basic AM/FM/CD audio systems, often with optional premium sound packages. Navigation was rare and aftermarket for this generation.
Driver Assistance Features:
Limited by modern standards. Primarily focused on ABS and optional VSC/Traction Control. Cruise control standard on most trims.
Connectivity Options:
Minimal. Typically featured auxiliary input for audio devices on later models or as an option. No Bluetooth or USB connectivity natively.
Maintenance Schedule:
Oil changes: Every 3,750 miles or 3 months (severe conditions), 7,500 miles or 6 months (normal conditions). Air filter: 15,000 miles. Spark plugs: 60,000-100,000 miles (depending on plug type). Coolant flush: Every 30,000 miles or 2 years. Timing belt: 105,000 miles (crucial for EJ engines).
Fluid Specs:
Engine Oil: 5W-30 (API SG, SH, SJ, SL or ILSAC GF-2 or higher). Automatic Transmission Fluid (ATF): Subaru ATF-HP. Manual Transmission Fluid: 75W-90 GL-5. Power Steering Fluid: Subaru Genuine ATF or equivalent. Brake Fluid: DOT 3.
Common Problems:
Head gasket failures (especially on older models with certain EJ engine variants), catalytic converter issues, rear differential seal leaks, minor electrical gremlins, potential for oil consumption on high-mileage units. The parts manual will help identify specific replacement components for these.
Oil Viscosity:
5W-30 is the most commonly recommended viscosity for both naturally aspirated and turbocharged EJ engines in this generation.
Timing Belt Interval:
105,000 miles or 7 years. This is a critical maintenance item for EJ series engines to prevent catastrophic engine damage.
Brand Heritage:
Subaru, a division of Fuji Heavy Industries, has a long history of producing reliable vehicles, often with a focus on all-wheel-drive technology and boxer engines, stemming from their aviation background.
Model Evolution:
The 2003-2006 model represents the second generation of the Subaru Forester, which saw significant updates in styling, interior refinement, and powertrain options compared to the first generation.
Production Plants:
Primarily manufactured in Japan at Subaru's Gunma Yajima Plant.
Generation:
Second Generation (SF/SG Chassis).
Chassis Type:
Unibody construction with integrated frame rails.
Front Suspension:
Independent strut type with coil springs and stabilizer bar.
Rear Suspension:
Independent multi-link strut type with coil springs and stabilizer bar.
Brake System:
Front: Ventilated disc brakes. Rear: Disc brakes (solid or ventilated depending on trim).
Wheel Bolt Pattern:
5x100mm.
Standard Tire Size:
215/60R16 (for base models), 215/55R17 (for XT and premium trims).
Fuel Type:
Unleaded gasoline.
Fuel Tank Capacity:
Approx. 15.1 gallons.
