Engine Mechanical:
        
        
            Engine assembly, cylinder head, pistons, connecting rods, crankshaft, timing, valve train, lubrication system, cooling system, fuel injection system (mechanical aspects)
        
     
    
        
            Engine Management:
        
        
            Engine control unit (ECU) operation, sensor diagnostics (MAP, CMP, CKP, TPS, O2, ECT), actuator control (injectors, ignition coils), emission control systems
        
     
    
        
            Transmission Manual:
        
        
            Gearbox assembly, clutch operation, shift linkage, internal components (gears, bearings, synchros), maintenance, troubleshooting
        
     
    
        
            Transmission Automatic:
        
        
            Automatic transmission operation, torque converter, valve body, planetary gear sets, hydraulic circuits, electronic control (if applicable to specific variant), maintenance, troubleshooting
        
     
    
        
            Suspension:
        
        
            Front suspension (McPherson struts, wishbones), rear suspension (torsion beam, trailing arms), shock absorbers, springs, anti-roll bars, bush replacement, alignment specifications
        
     
    
        
            Steering:
        
        
            Power steering system (hydraulic, potentially electric in later variants), steering rack, column, tie rods, hydraulic pump, fluid types, bleeding procedures
        
     
    
        
            Brakes:
        
        
            Front and rear brake systems (discs, pads, calipers, master cylinder), ABS system (components, diagnostics, bleeding), brake fluid specifications, parking brake mechanism
        
     
    
        
            Electrical System:
        
        
            Battery, charging system (alternator, regulator), starting system (starter motor), lighting circuits (headlights, taillights, interior), fuses, relays, wiring diagrams, body control module (BCM) functions (basic)
        
     
    
        
            Body And Interior:
        
        
            Body panel removal/installation, door mechanisms, interior trim, seating adjustment, dashboard removal, HVAC system (climate control), body sealing, rust prevention
        
     
    
        
            Heating Ventilation Air Conditioning:
        
        
            HVAC system components, refrigerant, compressor, condenser, evaporator, blower motor, controls, diagnosis of common climate control faults
        
     
    
        
            Safety Systems:
        
        
            Airbag system (SRS components, deployment triggers, diagnostics), seatbelt mechanisms, pre-tensioners
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements (oil, air, cabin), spark plug replacement, fluid level checks and top-ups, brake pad inspection, tire rotation
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic flowcharts for common drivability issues, electrical faults, cooling system problems, brake system malfunctions, guided symptom-to-cause analysis
        
     
    
        
            Major Repairs:
        
        
            Engine overhaul, cylinder head gasket replacement, transmission rebuilds (where applicable), suspension component replacement, brake caliper overhaul, power steering pump replacement
        
     
    
        
            Diagnostic Procedures:
        
        
            OBD-II (On-Board Diagnostics) code interpretation, component testing using multimeter and oscilloscope, specific diagnostic routines for ABS, ECU, etc.
        
     
    
        
            Electrical Repairs:
        
        
            Wiring harness repair, component replacement (sensors, actuators, modules), diagnostic testing of electrical circuits
        
     
    
    
        
            Depth:
        
        
            Comprehensive (covers from basic maintenance to complete vehicle overhauls and complex diagnostics)
        
     
    
        
            Diagnostics Level:
        
        
            Advanced (includes wiring diagrams, diagnostic flowcharts, and component testing procedures)
        
     
    
        
            Rebuild Instructions:
        
        
            Detailed procedures for engine and transmission disassembly, inspection, repair, and reassembly
        
     
 
    
    
    
        
            Engine Code Examples:
        
        
            TU3JP (1.4L), EW10J4 (2.0L 16V), DW8B (1.9D), DW10TD (1.9 HDi)
        
     
    
        
            Engine Displacement Examples:
        
        
            1.4L (1360cc), 1.6L (1587cc), 1.8L (1761cc), 2.0L (1997cc), 1.9L Diesel (1868cc)
        
     
    
        
            Engine Type Examples:
        
        
            Naturally Aspirated Petrol, Turbocharged Direct Injection Diesel (HDi)
        
     
    
    
        
            Horsepower Range Petrol:
        
        
            75 PS (1.4i) to 136 PS (2.0i 16V)
        
     
    
        
            Horsepower Range Diesel:
        
        
            70 PS (1.9D) to 90 PS (1.9 HDi)
        
     
    
        
            Torque Peak Examples:
        
        
            115 Nm (1.4i), 172 Nm (2.0i 16V), 125 Nm (1.9D), 205 Nm (1.9 HDi)
        
     
    
    
        
            Petrol System:
        
        
            Multi-point Fuel Injection (MPI)
        
     
    
        
            Diesel System:
        
        
            Direct Injection (DI) with Rotary Pump (DW8), Common Rail Direct Injection (CRDi) for HDi variants
        
     
    
        
            Fuel Type Petrol:
        
        
            Unleaded Petrol (RON 95 or 98 recommended)
        
     
    
        
            Fuel Type Diesel:
        
        
            Diesel Fuel
        
     
 
    
    
    
        
            Oil Change Interval Petrol:
        
        
            Typically 15,000 km or 12 months, whichever comes first (check specific engine/oil specification)
        
     
    
        
            Oil Change Interval Diesel:
        
        
            Typically 10,000-15,000 km or 12 months (especially for non-turbo diesel); HDi may vary, consult manual
        
     
    
        
            Air Filter Replacement:
        
        
            Every 30,000 km or 24 months
        
     
    
        
            Fuel Filter Replacement Diesel:
        
        
            Every 60,000 km
        
     
    
        
            Timing Belt Replacement:
        
        
            Crucial: Typically 90,000-120,000 km or 5-6 years for petrol engines; check specific engine variant.  Failure can cause catastrophic engine damage.  DW8/DW10 diesels also use a timing belt.  Consult manual for precise interval and belt kit part numbers.
        
     
    
    
        
            Engine Oil Spec Petrol:
        
        
            API SG/SH/SJ/SL, ACEA A2/A3, viscosity typically 5W-40 or 10W-40 (check manual for exact spec based on engine and climate)
        
     
    
        
            Engine Oil Spec Diesel:
        
        
            API CF/CG-4/CH-4, ACEA B2/B3/B4, viscosity typically 5W-40 or 10W-40 (check manual for exact spec)
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based coolant, pink or blue (PSA specification, e.g., Type D or Type R)
        
     
    
    
        
            Power Steering Fluid Type:
        
        
            LDS fluid (for certain hydraulic systems) or Dexron III compatible ATF for standard hydraulic power steering.
        
     
    
    
        
            Common Faults:
        
        
            Suspension arm bushings, rear axle beam bearings (on some variants), EGR valve (diesel), catalytic converter issues, electrical gremlins (especially window regulators, central locking), ignition coil packs (petrol), clutch master cylinder leaks, thermostat housing leaks.
        
     
    
        
            Timing Belt Risk:
        
        
            Critical maintenance item. Delayed replacement leads to severe engine damage. The manual will detail the correct procedure and torque settings for components like the water pump often replaced with the belt.