Engine Mechanical:
        
        
            Detailed disassembly, assembly, inspection, and repair of the 2.0 HDi engine.
        
     
    
        
            Fuel System:
        
        
            High-pressure common rail system, injectors, fuel pump, filters, and associated components.
        
     
    
        
            Cooling System:
        
        
            Radiator, thermostat, water pump, hoses, coolant specifications, and troubleshooting.
        
     
    
        
            Lubrication System:
        
        
            Oil pump, oil filter, oil pressure, oil type specifications, and oil change procedures.
        
     
    
        
            Ignition System:
        
        
            Glow plug system, control module, and related electrical components.
        
     
    
        
            Exhaust System:
        
        
            Catalytic converter, particulate filter (if applicable), exhaust manifold, pipes, and silencers.
        
     
    
        
            Transmission Manual:
        
        
            Gearbox assembly, clutch, shift linkage, fluid specifications, and repair procedures.
        
     
    
        
            Transmission Automatic:
        
        
            Detailed coverage of the automatic transmission (if applicable for the 2004 model year with 2.0 HDi), including hydraulic control, torque converter, and mechatronics.
        
     
    
        
            Drivetrain:
        
        
            Front-wheel drive, drive shafts, CV joints, differential (integrated into gearbox).
        
     
    
        
            Suspension Front:
        
        
            MacPherson struts, control arms, anti-roll bar, springs, shock absorbers, and geometry adjustments.
        
     
    
        
            Suspension Rear:
        
        
            Independent rear suspension (e.g., multi-link or torsion beam depending on specific C5 generation), components, and adjustments.
        
     
    
        
            Steering System:
        
        
            Hydraulic power steering pump, rack and pinion, steering column, fluid specifications.
        
     
    
        
            Braking System:
        
        
            Front and rear disc brakes, ABS, EBD, brake fluid specifications, caliper and rotor replacement, bleeding procedures.
        
     
    
        
            Electrical System:
        
        
            Battery, alternator, starter motor, wiring diagrams, fuses, relays, lighting, ignition switch.
        
     
    
        
            Body Electrical:
        
        
            Power windows, central locking, mirrors, interior lighting, dashboard instruments, audio system, climate control.
        
     
    
        
            Engine Control Unit ECU:
        
        
            Diagnostics, sensor inputs, actuator outputs, programming (limited, often requiring specialized tools).
        
     
    
        
            Bodywork And Chassis:
        
        
            Body panel removal and installation, door mechanisms, hinges, latches, seals.
        
     
    
        
            Interior Trim:
        
        
            Dashboard removal, seat removal, door panel trim, headliner.
        
     
    
        
            Climate Control HVAC:
        
        
            Air conditioning system, heater core, blower motor, refrigerant, cabin filter replacement.
        
     
    
        
            Safety Systems:
        
        
            Airbag system (SRS) diagnosis and replacement, seatbelt mechanisms.
        
     
    
    
        
            Maintenance:
        
        
            Regular service intervals, fluid checks and changes, filter replacements, brake pad/rotor replacement, belt inspection.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic flowcharts, common fault identification, symptom-based problem solving.
        
     
    
        
            Repair:
        
        
            Step-by-step instructions for component removal, overhaul, and reinstallation across all vehicle systems.
        
     
    
        
            Disassembly Assembly:
        
        
            Comprehensive guides for taking apart and reassembling major vehicle components.
        
     
    
        
            Cleaning Reinstalling:
        
        
            Instructions for cleaning components during repair and proper reinstallation techniques.
        
     
    
        
            Diagnostics:
        
        
            OBD-II code reading guidance, sensor testing, actuator testing (requiring appropriate tools).
        
     
    
    
        
            Depth:
        
        
            From basic maintenance to advanced engine rebuilds and complex system repairs. Suitable for both DIY and professional technicians.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 20,000 km (12,500 miles) or 2 years, whichever comes first. (Consult manual for precise intervals and driving conditions).
        
     
    
        
            Air Filter Replacement:
        
        
            Recommended every 40,000 km (25,000 miles) or as per manual inspection.
        
     
    
        
            Fuel Filter Replacement:
        
        
            Recommended every 60,000 km (37,500 miles) or as per manual inspection.
        
     
    
        
            Timing Belt Replacement:
        
        
            Typically around 120,000 km (75,000 miles) or 5-6 years for diesel engines. Crucial to verify with the manual.
        
     
    
    
        
            Engine Oil Capacity:
        
        
            Approximately 5.5 - 6.0 liters (with filter change). Specific grade is critical (e.g., PSA B71 2290 Low SAPS engine oil for diesel).
        
     
    
        
            Coolant Type:
        
        
            Antifreeze/coolant conforming to PSA standard (e.g., PSA S7B1110) - typically a long-life organic acid technology (OAT) coolant, usually green or yellow.
        
     
    
    
        
            Suspension Spheres:
        
        
            Hydractive sphere wear can lead to a firmer ride or loss of ride height adjustability.
        
     
    
        
            Dpf Issues:
        
        
            Diesel Particulate Filter (if fitted to specific variants) can be prone to clogging if regeneration cycles are not completed.
        
     
    
        
            Egr Valve:
        
        
            Exhaust Gas Recirculation (EGR) valve can become clogged with carbon, affecting engine performance and emissions.
        
     
    
        
            Glow Plugs:
        
        
            Diesel engine starting issues can be related to worn glow plugs or their control module.
        
     
    
        
            Automatic Transmission Al4:
        
        
            The AL4 automatic transmission can exhibit shifting issues, overheating, or solenoid failures if not properly maintained.