Segment:
Compact Crossover SUV
Key Differentiator:
Standard Symmetrical All-Wheel Drive (AWD) system and Subaru's signature Boxer engine layout.
Key Competitors:
Honda CR-V, Toyota RAV4, Ford Escape, Mazda Tribute, Nissan Xterra
Vehicle Strengths:
Excellent traction in inclement weather, comfortable ride, practical interior space, good visibility.
Manual Benefit:
Provides in-depth technical knowledge for DIY repairs and maintenance, saving time and money.
Powertrain:
Engine, Fuel System, Exhaust System, Transmission, Drivetrain (AWD)
Chassis:
Suspension (Front & Rear), Steering, Brakes (ABS), Wheels & Tires
Electrical:
Ignition, Lighting, Instruments, HVAC Controls, Power Accessories, Body Control Modules, Diagnostic Trouble Codes (DTCs)
Body:
Exterior Body Panels, Interior Trim, Glass, Doors, Hood, Tailgate
Maintenance:
Oil Changes, Filter Replacements, Spark Plug Service, Fluid Checks & Top-offs, Belt Inspections
Repair:
Engine Overhaul, Transmission Rebuild, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis & Repair
Diagnostics:
Troubleshooting Charts, DTC Interpretation, Component Testing Procedures
Specifications:
Torque Specifications, Fluid Capacities, Electrical Schematics, Component Dimensions
Depth:
Comprehensive: From basic maintenance to complete engine and transmission overhauls. Includes detailed diagnostic procedures.
Engine Code:
EJ253 (SOHC)
Engine Type:
Naturally Aspirated, Horizontally Opposed (Boxer) 4-Cylinder
Displacement:
2.5 Liters (2498 cc)
Bore X Stroke:
99.5 mm x 79.0 mm
Valve Train:
SOHC (Single Overhead Camshaft), 16 Valves (4 per cylinder)
Horsepower:
165 hp @ 5,600 RPM
Torque:
166 lb-ft @ 3,600 RPM
Fuel Delivery:
Electronic Fuel Injection (MPI - Multi-Port Injection)
Fuel Type:
Unleaded Regular, 87 Octane (minimum)
Emission Control:
Catalytic Converter, EGR (Exhaust Gas Recirculation)
Coolant Type:
Subaru Super Coolant (Blue) or equivalent silicate-free, long-life coolant
Coolant Capacity:
Approx. 7.0 US quarts (6.6 liters)
Oil Type:
SAE 5W-30 (API SG or higher)
Oil Capacity:
Approx. 4.8 US quarts (4.5 liters) with filter change
Oil Filter Part Number Example:
Subaru 15208AA05A or equivalent aftermarket (e.g., Wix 57712)
Transmission Type Std:
4-Speed Automatic (4EAT)
Transmission Type Opt:
5-Speed Manual
Drivetrain Layout:
Symmetrical All-Wheel Drive (AWD) with viscous coupling center differential
Automatic Transmission Fluid:
Subaru ATF-HP (High Performance) or DEXRON III equivalent (check manual for exact spec)
Automatic Transmission Fluid Capacity:
Approx. 4.5 US quarts (4.3 liters) for drain and refill
Manual Transmission Fluid:
Subaru Genuine Manual Transmission Fluid (API GL-5, SAE 75W-90)
Manual Transmission Fluid Capacity:
Approx. 2.5 US quarts (2.4 liters)
NHTSA Frontal Driver Impact:
Good
NHTSA Frontal Passenger Impact:
Good
IIHS Frontal Offset:
Acceptable
Braking System:
4-wheel disc brakes (front vented, rear solid)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Available Traction Control System (TCS) on some models
Airbags:
Driver and front passenger airbags
Seatbelts:
3-point height-adjustable front seat belts with pretensioners, 3-point rear seat belts
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for Children) system
Audio System:
Factory AM/FM/CD player with 4-6 speaker options. Optional premium sound system.
Climate Control:
Manual HVAC system with A/C. Optional automatic climate control on higher trims.
Cruise Control:
Standard on most trims.
Power Features:
Power windows, power door locks, power mirrors available on most trims.
Oil And Filter Change:
Every 3,750 miles (6,000 km) or 3 months (severe conditions), 7,500 miles (12,000 km) or 6 months (normal conditions).
Engine Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months.
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months (if equipped).
Spark Plug Replacement:
Every 30,000 miles (48,000 km) with original platinum plugs.
Timing Belt Replacement:
Not applicable; EJ253 uses a timing chain.
Transmission Fluid Change:
Every 30,000 miles (48,000 km) for automatic (drain and fill), 45,000 miles (72,000 km) for manual.
Coolant Replacement:
Initial change at 30,000 miles (48,000 km), then every 60,000 miles (96,000 km) or 48 months thereafter.
Head Gaskets:
While less prevalent than on earlier EJ engines with EJ25D, head gasket leaks can still occur on the EJ253. Early detection and repair are crucial.
Oil Consumption:
Some early models may exhibit higher oil consumption. Regular checks are recommended.
Rear Wheel Bearings:
Can be prone to premature wear and noise. The manual will detail inspection and replacement procedures.
Evaporative Emission Control System:
Issues with the EVAP system (e.g., charcoal canister, purge valve) can lead to check engine lights.
Brand Focus:
Subaru is known for its engineering prowess, particularly its Boxer engines and standard Symmetrical All-Wheel Drive systems, appealing to those seeking capability and reliability.
Generation 1 Debut:
The 2002 Forester represents the final year of the first generation (SF series), introduced in 1997. It was Subaru's first dedicated compact SUV, blending passenger car comfort with SUV utility.
Manufacturing Location:
Gunma Plant, Japan