Engine Mechanical:
Detailed procedures for overhaul, repair, and diagnostics of all engine variants.
Engine Electrical:
Wiring diagrams, component testing, ECM/PCM diagnosis, sensor and actuator troubleshooting.
Fuel System:
Fuel injection system, fuel pump, injectors, fuel pressure regulation, evaporative emission control (EVAP).
Exhaust System:
Catalytic converter, mufflers, exhaust manifold, oxygen sensors, emission control components.
Transmission Manual:
Repair, overhaul, clutch replacement, shift mechanism.
Transmission Automatic:
Repair, overhaul, valve body diagnostics, torque converter, transmission control module (TCM).
Drivetrain AWD:
Subaru's Symmetrical All-Wheel Drive system, differentials, drive shafts, hubs, bearings.
Suspension:
Front and rear suspension components, struts, shock absorbers, control arms, bushings, alignment specifications.
Steering:
Power steering system, steering rack, column, tie rods, electric power steering (EPS) diagnosis.
Brakes:
Brake system components, hydraulic lines, master cylinder, calipers, rotors, ABS, VDC (Vehicle Dynamics Control).
Climate Control:
HVAC system, A/C compressor, refrigerant system, heater core, climate control module.
Body Exterior:
Body panel removal and installation, bumpers, doors, hood, trunk, glass, seals.
Body Interior:
Dashboard, trim panels, seats, headliner, carpet, interior lighting.
Electrical Lighting:
Headlights, taillights, interior lights, fog lights, wiring and component diagnosis.
Electrical Audio Nav:
Audio system, navigation system, speakers, antennas, wiring.
Safety Airbags:
Airbag system operation, deployment, SRS module, sensors, component replacement.
Diagnostics Troubleshooting:
OBD-II diagnostic trouble codes (DTCs), diagnostic procedures, scan tool usage.
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement.
Repair:
Detailed step-by-step repair instructions for all major and minor components.
Overhaul:
Complete engine and transmission rebuild procedures.
Troubleshooting:
Systematic diagnostic approaches for identifying and resolving faults.
Installation:
Component replacement and installation guidance.
Torque Specifications:
All critical torque values for fasteners across the vehicle.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all vehicle systems.
Special Tools:
Identification and usage of specialized tools required for specific repairs.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine/transmission overhauls and advanced diagnostics.
Engine Code 2.5I:
EJ253 (2.5L SOHC Naturally Aspirated)
Engine Displacement 2.5I:
2457 cc (2.5 Liters)
Engine Bore Stroke 2.5I:
99.5 mm x 79.0 mm
Engine Compression Ratio 2.5I:
10.7:1
Engine Horsepower 2.5I:
170 hp @ 5600 rpm
Engine Torque 2.5I:
170 lb-ft @ 4000 rpm
Engine Code 2.5Gt:
EJ255 (2.5L DOHC Turbocharged)
Engine Horsepower 2.5Gt:
265 hp @ 5200 rpm
Engine Torque 2.5Gt:
251 lb-ft @ 2000-5200 rpm
Engine Code 3.6R:
EZ36D (3.6L DOHC Naturally Aspirated Flat-6)
Engine Displacement 3.6R:
3630 cc (3.6 Liters)
Engine Bore Stroke 3.6R:
92.0 mm x 91.0 mm
Engine Compression Ratio 3.6R:
10.5:1
Engine Horsepower 3.6R:
256 hp @ 6000 rpm
Engine Torque 3.6R:
247 lb-ft @ 4400 rpm
Fuel Type:
Unleaded gasoline (87 octane minimum recommended, higher for 2.5GT)
Fuel Delivery:
Electronic Multi-Point Fuel Injection (MPI)
Turbocharger 2.5Gt:
Single twin-scroll turbocharger
Standard Transmission 2.5I:
5-speed manual transmission
Standard Transmission 2.5Gt:
5-speed automatic transmission with Sportshift paddle shifters
Standard Transmission 3.6R:
5-speed automatic transmission with Sportshift paddle shifters
Optional Transmission 2.5I:
CVT (Lineartronic) automatic transmission
AWD System Type:
Symmetrical All-Wheel Drive with Variable Torque Distribution (VTD) for automatic transmissions, or viscous coupling center differential for manual transmissions.
Transmission Fluid Spec:
Refer to manual for specific fluid types (e.g., Subaru ATF-HP for automatics, GL-5 gear oil for manuals/differentials).
IIHS Top Safety Pick:
Yes, for most years and configurations.
NHTSA Overall Rating:
Typically 4 or 5 stars.
ABS:
Standard Anti-lock Braking System
Vdc:
Standard Vehicle Dynamics Control (traction and stability control)
Electronic Brakeforce Distribution:
Yes
Airbags:
Front dual-stage airbags, front side-impact airbags, side curtain airbags (front and rear).
Seatbelts:
Front and rear three-point seatbelts, pretensioners and load limiters for front seats.
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for CHildren) system
Oil Change Interval:
Every 3,750 miles or 3 months (severe duty), or 7,500 miles/6 months (normal duty) - refer to owner's manual.
Air Filter Replacement:
Every 15,000 miles or 12 months.
Cabin Air Filter Replacement:
Every 15,000 miles or 12 months.
Spark Plug Replacement 2.5I:
Approx. 60,000 miles (Iridium type)
Spark Plug Replacement 3.6R:
Approx. 60,000 miles (Iridium type)
Timing Belt Or Chain:
Timing chain (no replacement interval, but inspection recommended).
Transmission Fluid Change Auto:
Inspect every 30,000 miles, replace as needed (refer to manual).
Brake Fluid Replacement:
Every 30,000 miles or 24 months.
Engine Oil 2.5L:
SAE 0W-20, API SN/SP or ILSAC GF-5/GF-6 (3.7 US quarts / 3.5 Liters with filter)
Engine Oil 3.6L:
SAE 0W-20, API SN/SP or ILSAC GF-5/GF-6 (6.9 US quarts / 6.5 Liters with filter)
Coolant:
Subaru Super Coolant (Blue), or equivalent P-HOAT coolant. Mix 50/50 with distilled water.
Power Steering Fluid:
Subaru Genuine Power Steering Fluid or DEXRON III ATF.
Head Gaskets:
While not as prevalent as in earlier EJ engines, potential for head gasket leaks can still exist, particularly with the EJ253. The EZ36D is generally more robust.
Cv Axle Boots:
Tear of front axle boots can lead to grease loss and eventual CV joint failure.
Brake Wear:
Front brake pads and rotors can wear relatively quickly due to the weight of the vehicle and AWD system.
Evaporative Emission Control System:
Issues with the EVAP system, such as faulty purge valves or canister vents, can trigger check engine lights.
Suspension Bushings:
Wear in control arm bushings and sway bar bushings can lead to clunking noises and imprecise handling.
Brand Focus:
Subaru is known for its commitment to All-Wheel Drive technology and boxer engines, emphasizing safety, reliability, and capability.
Fifth Generation Introduction:
The fifth generation Legacy (BM/BR) debuted for the 2010 model year, representing a significant redesign with a larger platform and new styling.
Design Changes 2010 2013:
Minor updates and trim level adjustments occurred during this period, with the core platform and powertrain options remaining consistent.
Manufacturing Location:
Lafayette, Indiana, USA (for North American market)