Vehicle Segment:
        
        
            Large Family Car / Executive Car
        
     
    
    
        
            Competitors:
        
        
            Ford Mondeo, Opel Vectra/Signum, Volkswagen Passat, Peugeot 406/607, Renault Laguna.
        
     
    
    
        
            Suspension System:
        
        
            Citroën's Hydractive III hydropneumatic suspension system (variable stiffness and ride height).
        
     
    
        
            Design Philosophy:
        
        
            Focus on comfort, interior space, and innovative technology.
        
     
    
        
            Unique Selling Points:
        
        
            Exceptional ride comfort via Hydractive suspension, distinctive 'sliding' rear side windows, advanced safety features for its era.
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine mechanicals, fuel system, ignition system, lubrication, cooling system, exhaust system, engine management (ECU).
        
     
    
        
            Transmission:
        
        
            Manual and Automatic transmission overhaul, clutch, torque converter, gearbox components, shift mechanisms, transmission fluid.
        
     
    
        
            Chassis:
        
        
            Suspension (Hydractive III suspension specific details), steering system (hydraulic power steering), braking system (ABS, EBD, disc and drum components), wheels and tires.
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, battery, alternator, starter motor, lighting system, dashboard instruments, body control module (BCM), central locking, power windows, wipers, horn.
        
     
    
        
            Body And Interior:
        
        
            Body panels, doors, hood, trunk, interior trim, seats, airbags, climate control system (HVAC), dashboard assembly, sound insulation.
        
     
    
        
            Diagnostics And Troubleshooting:
        
        
            Diagnostic trouble codes (DTCs), fault finding procedures, common issues and solutions, diagnostic tool usage (DIAGBOX/PP2000 equivalent).
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt replacement.
        
     
    
        
            Repair:
        
        
            Engine component replacement (e.g., cylinder head, pistons, crankshaft), transmission rebuild, brake caliper overhaul, suspension strut replacement, electrical component repair.
        
     
    
        
            Overhaul:
        
        
            Complete engine and transmission overhaul procedures with detailed disassembly and reassembly instructions.
        
     
    
        
            Troubleshooting:
        
        
            Systematic diagnostic trees and step-by-step troubleshooting guides for various faults.
        
     
    
        
            Adjustment:
        
        
            Adjustment procedures for brakes, clutch, steering, and door mechanisms.
        
     
    
        
            Installation:
        
        
            Installation procedures for major components and accessories.
        
     
    
    
        
            Diagnostic Depth:
        
        
            Advanced diagnostic procedures, including sensor data interpretation and actuator testing.
        
     
    
        
            Repair Depth:
        
        
            Detailed step-by-step repair instructions with torque specifications, clearances, and special tool requirements.
        
     
    
        
            Wiring Diagrams:
        
        
            Comprehensive, color-coded wiring diagrams for all vehicle systems.
        
     
    
        
            Technical Specifications:
        
        
            Inclusion of all essential technical data, specifications, tolerances, and diagnostic values.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Inline 4-cylinder, V6 (depending on specific market variant, but common engines for 2002 include EW and ES series petrol and DW series diesel)
        
     
    
        
            Displacement Petrol Common:
        
        
            1.8L (1749cc, EW7), 2.0L (1997cc, EW10), 3.0L (2946cc, ES9 V6)
        
     
    
        
            Displacement Diesel Common:
        
        
            2.0L (1997cc, DW10 HDi), 2.2L (2179cc, DW12 HDi)
        
     
    
    
        
            Power Output 2.0I:
        
        
            Approx. 138 PS (101 kW; 136 hp)
        
     
    
        
            Torque 2.0I:
        
        
            Approx. 190 Nm
        
     
    
        
            Power Output 2.2Hdi:
        
        
            Approx. 136 PS (100 kW; 134 hp)
        
     
    
        
            Torque 2.2Hdi:
        
        
            Approx. 314 Nm
        
     
    
    
        
            Fuel Injection Petrol:
        
        
            Multi-point Fuel Injection (MPI) or Direct Injection (Di - on later EW10D variants)
        
     
    
        
            Fuel System Diesel:
        
        
            Common Rail Direct Injection (HDi)
        
     
    
    
        
            ECU Type:
        
        
            Bosch Motronic, Siemens, or similar ECU depending on engine and market.
        
     
 
    
    
    
        
            Standard Transmission:
        
        
            5-speed Manual Gearbox (e.g., BE4/5)
        
     
    
    
        
            Optional Transmission:
        
        
            4-speed Automatic Transmission (AL4) or 6-speed Automatic (AM6 on V6 variants)
        
     
    
    
        
            Automatic Features:
        
        
            Tiptronic sequential shifting (on some models), Comfort/Sport modes.
        
     
    
    
        
            Manual Transmission Fluid:
        
        
            GL-4 SAE 75W-80 (specific part numbers like PSA 9730 AE)
        
     
    
        
            Automatic Transmission Fluid:
        
        
            LF ATF (Low Friction Automatic Transmission Fluid) - typically Esso/Mobil LT 71141 (e.g., PSA 9736 22).
        
     
 
    
    
    
        
            Euro Ncap Rating:
        
        
            4 Stars (Euro NCAP 2002)
        
     
    
    
        
            ABS:
        
        
            Standard Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD).
        
     
    
        
            Esp:
        
        
            Optional Electronic Stability Program (ESP).
        
     
    
        
            Brake Assist:
        
        
            Emergency Brake Assist (EBA).
        
     
    
    
        
            Airbags:
        
        
            Front airbags (driver and passenger), side airbags, curtain airbags (optional/depending on trim).
        
     
    
        
            Seatbelts:
        
        
            Pre-tensioning seatbelts with force limiters, ISOFIX child seat anchor points.
        
     
    
        
            Body Structure:
        
        
            Reinforced safety cell, crumple zones.
        
     
 
    
    
    
        
            Audio System:
        
        
            Factory fitted radio/CD player with steering wheel controls. CD Changer optional.
        
     
    
        
            Navigation:
        
        
            Optional factory navigation system.
        
     
    
    
        
            Cruise Control:
        
        
            Standard or optional cruise control and speed limiter.
        
     
    
        
            Parking Assistance:
        
        
            Optional rear parking sensors.
        
     
    
    
        
            Hands Free System:
        
        
            Optional Bluetooth hands-free system.
        
     
    
    
        
            Headlights:
        
        
            Halogen headlights, Bi-Xenon HID headlights optional on higher trims.
        
     
 
    
    
    
        
            Oil Change Interval Petrol:
        
        
            Typically 20,000 km or 1 year, whichever comes first. Check manual for specific engine type.
        
     
    
        
            Oil Change Interval Diesel:
        
        
            Typically 20,000 km or 1 year, whichever comes first. Check manual for specific engine type.
        
     
    
        
            Timing Belt Replacement:
        
        
            For EW engines: 120,000 km or 5 years. For ES9 V6: 60,000 km or 4 years. For DW engines: 150,000 km or 5 years. (Always verify with manual).
        
     
    
    
        
            Engine Oil Specification Petrol:
        
        
            Total Quartz INEO MC3 5W-30 or equivalent ACEA A3/B4 or C3 API SN/CF.
        
     
    
        
            Engine Oil Specification Diesel:
        
        
            Total Quartz INEO MC3 5W-30 or equivalent ACEA A3/B4 or C3 API SN/CF (for HDi engines).
        
     
    
        
            Coolant Specification:
        
        
            PSA Peugeot Citroën antifreeze/coolant (blue or green, ethylene glycol based) - e.g., Total Glacelf Auto Supra.
        
     
    
        
            Brake Fluid Specification:
        
        
            DOT 4
        
     
    
        
            Hydropneumatic Fluid:
        
        
            LHM Plus (Citroën's specific mineral hydraulic fluid) - e.g., Total Fluide LDS (for later systems, check specific manual for 2002 Hydractive III).
        
     
    
    
        
            Hydropneumatic Suspension:
        
        
            Leaks in hydraulic lines, sphere failures, pump issues, height corrector malfunctions.
        
     
    
        
            Electrical System:
        
        
            Issues with BSI (Body Systems Interface) multiplexing, sensor failures, door locking mechanisms.
        
     
    
        
            Diesel Particulate Filter:
        
        
            Clogging of FAP (Filtre à Particules) filters on HDi models, particularly with short journey usage.
        
     
    
        
            Climate Control:
        
        
            HVAC blower motor resistor failures, climate control unit issues.
        
     
    
    
        
            Suspension Spheres:
        
        
            Replacement of hydropneumatic suspension spheres as part of routine maintenance.