Engine:
        
        
            Comprehensive diagnosis, repair, and overhaul of the 2.2 HDi diesel engine.
        
     
    
        
            Fuel System:
        
        
            Detailed information on the high-pressure common rail fuel injection system, including injectors, fuel pump, and pressure sensors.
        
     
    
        
            Cooling System:
        
        
            Service and repair procedures for the engine cooling system, including radiator, coolant pump, thermostat, and associated pipework.
        
     
    
        
            Lubrication System:
        
        
            Engine oil system, oil pump, oil filter replacement, and oil change procedures.
        
     
    
        
            Exhaust System:
        
        
            Diagnosis and repair of the exhaust system, including catalytic converter and particulate filter (if applicable).
        
     
    
        
            Turbocharger:
        
        
            Inspection, diagnosis, and repair of the turbocharger system.
        
     
    
        
            Transmission:
        
        
            Service and repair for both manual and automatic transmissions (specific to 2.2 HDi variants).
        
     
    
        
            Drivetrain:
        
        
            Front-wheel drive system, including drive shafts, CV joints, and wheel bearings.
        
     
    
        
            Suspension:
        
        
            Detailed procedures for the hydropneumatic suspension system (Hydractive 3 or similar), including component testing, replacement, and fluid management.
        
     
    
        
            Steering:
        
        
            Power steering system diagnosis and repair, including steering rack and pump.
        
     
    
        
            Brakes:
        
        
            Front and rear brake system service, including disc and pad replacement, caliper overhaul, ABS/ESP system diagnosis.
        
     
    
        
            Electrical System:
        
        
            Complete electrical schematics, component testing, wiring diagrams, fuse and relay identification, and diagnostic procedures for all onboard systems.
        
     
    
        
            Body And Chassis:
        
        
            Body panel repair, door mechanisms, interior trim removal and installation, structural components.
        
     
    
        
            HVAC:
        
        
            Heating, ventilation, and air conditioning system diagnosis, repair, and refrigerant handling.
        
     
    
        
            Infotainment:
        
        
            Radio, navigation, and multimedia system troubleshooting (where applicable to the 2004 model).
        
     
    
    
        
            Maintenance:
        
        
            Routine maintenance tasks, including oil and filter changes, fluid level checks, spark plug replacement (if applicable), air filter replacement, and general inspection.
        
     
    
        
            Troubleshooting:
        
        
            Systematic diagnostic procedures for common and complex issues, fault code interpretation, and symptom-based troubleshooting guides.
        
     
    
        
            Repair:
        
        
            Step-by-step repair instructions for all major vehicle components, including complete disassembly and reassembly of engine, transmission, suspension, and braking systems.
        
     
    
        
            Diagnostics:
        
        
            Detailed diagnostic procedures for electronic control units (ECUs), sensors, actuators, and communication networks (e.g., CAN bus).
        
     
    
        
            Installation:
        
        
            Procedures for installing replacement parts and accessories.
        
     
    
        
            Specifications:
        
        
            Critical torque values, clearances, fluid capacities, electrical resistance values, and diagnostic parameters.
        
     
    
    
        
            Depth:
        
        
            Comprehensive coverage from basic maintenance to complete engine and transmission rebuilds, suitable for both DIY enthusiasts and professional technicians.
        
     
 
    
    
    
        
            Engine Code:
        
        
            DW12ATED (or similar variant for 2.2 HDi)
        
     
    
        
            Engine Type:
        
        
            Inline 4-cylinder, Turbocharged Direct Injection Diesel
        
     
    
        
            Displacement:
        
        
            2179 cc (2.2 Liters)
        
     
    
    
        
            Horsepower:
        
        
            Approximately 136 PS (134 bhp / 100 kW) at 4000 rpm (variant dependent)
        
     
    
        
            Torque:
        
        
            Approximately 317 Nm (234 lb-ft) at 1750 rpm (variant dependent)
        
     
    
    
    
        
            Injection System:
        
        
            Common Rail Direct Injection (CRDi) with advanced electronic control.
        
     
    
    
        
            Coolant Type:
        
        
            Antifreeze mixture (refer to manual for specific PSA specifications, e.g., PSA G GLS2).
        
     
    
    
        
            Oil Grade:
        
        
            Refer to manual for specific PSA specifications (e.g., SAE 0W-30 or 5W-30, meeting ACEA A3/B4 standards).
        
     
    
        
            Oil Capacity:
        
        
            Approximately 5.5 - 6.0 liters (including filter).
        
     
 
    
    
    
        
            Oil Change:
        
        
            Typically every 15,000 - 20,000 km or 12 months, whichever comes first (refer to manual for specific engine oil and driving conditions).
        
     
    
        
            Timing Belt:
        
        
            Refer to manual for timing belt replacement interval (critical for this diesel engine, often around 100,000 - 120,000 km or 5-6 years).
        
     
    
    
        
            Brake Fluid:
        
        
            Refer to manual for specific DOT fluid specification (typically DOT 4).
        
     
    
        
            Power Steering Fluid:
        
        
            Refer to manual for specific hydraulic fluid specification (often LHM Plus for Citroën hydractive systems).
        
     
    
    
        
            Suspension Spheres:
        
        
            Wear or leakage of suspension spheres in the hydropneumatic system, affecting ride comfort and height.
        
     
    
        
            Diesel Particulate Filter:
        
        
            Potential clogging of the Diesel Particulate Filter (DPF) if fitted, requiring specific regeneration procedures or replacement.
        
     
    
        
            Injector Issues:
        
        
            Wear or failure of high-pressure fuel injectors, leading to rough running or starting problems.
        
     
    
        
            Electronic Control Units:
        
        
            Intermittent faults with various electronic control units due to age or connectivity issues.