Engine Mechanical:
Detailed disassembly, inspection, and reassembly procedures for EJ22, EJ25D, and EJ20 engines. Includes cylinder head, pistons, crankshaft, camshafts, timing belts, lubrication system, cooling system.
Fuel System:
Fuel injection system (MPI), fuel pump, fuel injectors, fuel pressure regulator, fuel tank, evaporative emissions control (EVAP).
Ignition System:
Ignition coils, spark plugs, ignition timing, crank angle sensor, camshaft position sensor.
Transmission Manual:
Clutch system, transmission gear sets, shift forks, synchronizers, hydraulic controls, lubrication.
Transmission Automatic:
4EAT system, valve body, torque converter, planetary gear sets, hydraulic control unit (HCU), solenoids, fluid cooler.
Drivetrain AWD:
Symmetrical All-Wheel Drive system, front and rear differentials, viscous coupling unit (VCU), propeller shaft, half-shafts.
Suspension:
Front MacPherson struts, rear multi-link suspension, control arms, ball joints, bushings, sway bars, springs, shock absorbers.
Steering:
Power steering system, steering rack and pinion, power steering pump, steering column.
Brakes:
Front disc brakes (ventilated), rear disc brakes, ABS (Anti-lock Braking System) components, brake lines, master cylinder, brake booster.
Electrical System:
Battery, alternator, starter motor, wiring harnesses, fuses, relays, lighting system (headlights, taillights, interior), horn.
Engine Management:
ECU (Engine Control Unit) diagnostics, sensors (MAF, MAP, O2, coolant temp, throttle position), actuators (idle air control valve).
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system, A/C compressor, condenser, evaporator, blower motor, climate controls.
Body And Frame:
Body panel removal and installation, structural components, door mechanisms, window regulators, exterior trim.
Interior:
Dashboard removal, seat removal, interior trim panels, upholstery.
Scheduled Maintenance:
Detailed instructions for all scheduled maintenance items, including oil changes, filter replacements, spark plug changes, timing belt replacement intervals.
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting guides, common problem identification and resolution for various systems.
Repair Procedures:
Step-by-step repair instructions for virtually all mechanical and electrical components, including engine rebuilds, transmission overhauls, brake caliper replacement, etc.
Diagnostic Codes:
OBD-I (On-Board Diagnostics) code definitions and diagnostic procedures for the 1996 model year.
Specifications And Tolerances:
Precise measurements, torque specifications, clearances, and tolerances for all critical engine, drivetrain, suspension, and brake components.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all vehicle systems, including engine control, lighting, audio, power accessories, and ABS.
Special Tools:
Identification and usage instructions for any Subaru-specific or specialized tools required for certain procedures.
Assembly And Disassembly:
Detailed instructions for the proper removal, disassembly, cleaning, inspection, repair, and reassembly of all major vehicle components.
Depth Level:
Comprehensive, from basic fluid changes and inspections to complete engine and transmission overhauls and advanced electrical diagnostics.
Target Audience:
Professional technicians, DIY enthusiasts, and Subaru owners seeking in-depth repair and maintenance knowledge.
Engine Oil Change:
Every 3,750 miles or 3 months (whichever comes first) for normal service; 3,000 miles or 3 months for severe service.
Engine Oil Filter Replacement:
Replace with every oil change.
Air Filter Replacement:
Inspect every 15,000 miles, replace as needed. Replace every 30,000 miles.
Spark Plug Replacement:
Replace every 30,000 miles (platinum tipped).
Timing Belt Replacement:
Replace every 60,000 miles or 4 years. Critical on EJ engines to prevent catastrophic damage.
Coolant Replacement:
Replace every 30,000 miles or 2 years (using Subaru Super Coolant or equivalent)
Transmission Fluid Change Auto:
Inspect every 15,000 miles, change every 30,000 miles or as needed, especially under severe use.
Transmission Fluid Change Manual:
Inspect every 30,000 miles, change as recommended (often around 60,000 miles).
Engine Oil Viscosity:
10W-30 (preferred), 5W-30 or 5W-40 may be used based on climate.
Engine Oil API Spec:
API Service SG or SH, SH/CD or SH/CF
Coolant:
Subaru Super Coolant (Blue) or equivalent ethylene glycol based coolant with corrosion inhibitors.
Power Steering Fluid:
Dexron II or equivalent ATF
Ej25D Head Gaskets:
The EJ25D engine is known for premature head gasket failures, often manifesting as coolant leaks or internal coolant passage contamination. The manual will detail proper inspection and replacement procedures, torque sequences, and gasket types.
Timing Belt Tensioner:
Failure of the timing belt tensioner can lead to belt slippage and engine damage. Regular replacement is crucial. The manual will outline replacement procedures and tensioner specifications.
Automatic Transmission AWD Clutch Pack:
Wear in the AWD clutch pack within the 4EAT can lead to reduced AWD performance or engagement issues. Fluid changes and proper maintenance are key. The manual will cover diagnostic checks and internal repairs.
Oil Leaks:
Common areas for oil leaks include valve cover gaskets, oil pan gaskets, and front crankshaft seals. The manual provides detailed instructions for seal replacement.
Evaporative Emissions System:
Issues with the EVAP system, such as canister purge valve or vent solenoid failures, can cause Check Engine Lights. The manual details diagnostic procedures for these components.