Positioning:
Entry-level to compact performance sedan/wagon, known for AWD and rally heritage
Competitors:
Mitsubishi Lancer, Honda Civic, Toyota Corolla, Mazda3, Ford Focus
All Wheel Drive:
Standard Symmetrical All-Wheel Drive (AWD) across most trims
Performance Variants:
Availability of WRX and STI performance models
Manual Value:
Provides cost savings on maintenance and repairs, empowers DIY enthusiasts
Engine:
Complete engine diagnostics, overhaul, repair, timing belt/chain, lubrication, cooling, fuel, emissions, intake/exhaust
Transmission:
Manual transmission (5-speed), Automatic transmission (4-speed), transaxle, differential, driveshaft, clutch
Brakes:
Front and rear brake systems, ABS diagnostics and repair, parking brake
Steering:
Power steering system, steering column, steering gear/rack and pinion
Suspension:
Front and rear suspension components, alignment specifications, shock absorbers, struts
Electrical:
Complete electrical system, wiring diagrams, starter, alternator, battery, lighting, ignition system, SRS (Supplemental Restraint System)
Body:
Interior and exterior body panel removal/installation, doors, windows, seats, trim, bumpers, body repair specifications
HVAC:
Heating, ventilation, and air conditioning (HVAC) system, automatic climate control
Routine Maintenance:
Oil changes, filter replacements, fluid checks and changes, tire rotation, tune-ups
Engine Repair:
Engine removal/installation, cylinder head overhaul, piston/ring replacement, crankshaft bearing service, valve timing procedures
Transmission Repair:
Manual and automatic transmission disassembly, inspection, repair, and reassembly
Suspension Steering Repair:
Component replacement (ball joints, tie rods, control arms), wheel bearing service, power steering pump replacement
Brake System Repair:
Brake pad/rotor replacement, caliper service, brake line repair, ABS component testing and replacement
Electrical Troubleshooting:
Diagnostic procedures for electrical faults, component testing, wiring harness repair
Diagnostic Troubleshooting:
Step-by-step guides for identifying and resolving common and complex vehicle issues
Depth:
Deep technical detail, including disassembly/reassembly procedures, specifications, and torque values
Illustrations:
Detailed illustrations and diagrams for clarity
Special Tools:
Identification and usage instructions for special tools required for specific repairs
Safety:
Safety precautions and warnings for all procedures
Engine Type:
Naturally Aspirated Boxer (EJ253)
Displacement:
2.5 Liters (2457 cc)
Configuration:
Horizontally Opposed 4-Cylinder
Horsepower Range:
165-173 hp (depending on specific model/trim)
Torque Range:
166-169 lb-ft (depending on specific model/trim)
Fuel Delivery:
Multi-port Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline
Timing Belt Replacement Interval:
105,000 miles or 105 months (whichever comes first)
Oil Type:
SAE 5W-30 Synthetic (recommended)
Oil Capacity:
4.5 US quarts (with filter)
Spark Plugs:
Iridium type (e.g., NGK BKR6EIX-11)
NHTSA Front Impact Driver:
5 Stars (for models with side airbags)
NHTSA Front Impact Passenger:
5 Stars (for models with side airbags)
IIHS Front Offset Crash Rating:
Good (for models tested)
ABS:
Standard Anti-lock Braking System (ABS)
E Brake:
Electronic Brake-force Distribution (EBD)
Airbags:
Front airbags, optional front side airbags, optional curtain airbags
Seatbelts:
Three-point seatbelts with pretensioners
Srs:
Supplemental Restraint System (SRS) including airbags and impact sensors
Oil Filter Replacement:
Every 7,500 miles or 6 months
Engine Air Filter Replacement:
Every 15,000 miles or 12 months
Cabin Air Filter Replacement:
Every 15,000 miles or 12 months
Coolant Flush:
Every 30,000 miles or 24 months
Brake Fluid Change:
Every 30,000 miles or 24 months
Power Steering Fluid:
Subaru Genuine Power Steering Fluid (or equivalent Dexron III/Mercon)
Brake Fluid Type:
DOT 3 or DOT 4
Coolant Type:
Subaru Super Coolant (Blue) or equivalent long-life silicate-free coolant
Head Gaskets:
While more prevalent in older EJ engines, some 2006 models may still experience head gasket leaks, particularly the EJ25
Clutch Wear:
The clutch can be a wear item, especially in performance-oriented models or with aggressive driving
Suspension Components:
Worn bushings, ball joints, and struts are common as mileage increases
Evaporative Emissions System:
Issues with the EVAP system, such as a faulty purge valve or charcoal canister, can lead to check engine lights
