Market Segment:
Large family car / Executive car
Design Philosophy:
Emphasis on comfort, ride quality, and distinctive French design characteristics.
Competitors:
Ford Mondeo, Volkswagen Passat, Opel Vectra, Peugeot 407, Renault Laguna
Unique Selling Points:
Hydropneumatic suspension (Hydractive 3+), distinctive styling, comfortable ride, spacious interior
Engine Systems:
Engine mechanical, fuel injection, ignition, cooling, lubrication, emission control, turbocharging, engine management system (ECU), diagnostics
Transmission Systems:
Manual transmission (MCL, MLU), clutch, driveline, propeller shafts, driveshafts
Brake Systems:
Hydraulic system, ABS, ESP, brake discs, pads, calipers, lines, master cylinder, parking brake
Suspension Systems:
Hydropneumatic suspension (Hydractive 3+), springs, dampers, hydraulic accumulators, suspension arms, geometry
Steering Systems:
Power steering system, steering rack, column, linkage
Electrical Systems:
Battery, charging system, starter motor, lighting (headlights, taillights, interior), fuses, relays, wiring diagrams, multiplexed networks (CAN, VAN)
Body Systems:
Body structure, panels, doors, windows, locks, mirrors, seals, exterior trim, interior trim, HVAC system, seats, dashboard
Comfort Systems:
Air conditioning, heating, ventilation, electronic climate control
Safety Systems:
Airbags, seatbelt pretensioners, ABS, ESP, Cruise Control
Maintenance Procedures:
Oil changes, filter replacements, fluid checks and top-ups, spark plug replacement, brake pad replacement, belt inspections, diagnostic checks
Repair Procedures:
Engine overhaul, transmission rebuild, brake system repair, suspension component replacement, electrical component troubleshooting and replacement, body panel repair, HVAC system repair
Disassembly Assembly:
Step-by-step instructions for complete disassembly and reassembly of major components and sub-assemblies
Diagnostics Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, electrical circuit testing, component testing procedures
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems
Depth:
Comprehensive factory-level technical information, suitable for professional technicians and advanced DIY mechanics
Repair Manual Focus:
Detailed repair instructions, torque specifications, component tolerances, diagnostic procedures, overhaul instructions
Engine Type:
Inline 4-cylinder Diesel
Bore X Stroke:
85.0 mm x 88.0 mm
Compression Ratio:
17.7:1
Valve Train:
DOHC (Double Overhead Camshaft), 4 valves per cylinder
Engine Code Variant:
DW10ATED4
Horsepower:
136 PS (134 bhp; 100 kW) @ 4000 rpm
Torque:
320 Nm (236 lb-ft) @ 2000 rpm
Fuel Delivery:
Common Rail Direct Injection (Bosch system)
Turbocharger:
Variable Geometry Turbocharger (VGT)
Emission Standard:
Euro 3 (may vary by market; potential for Euro 4 with DPF)
Coolant Type:
PSA Group specific coolant (e.g., PSA B71 5110 compliant)
Engine Oil Type:
Low-SAPS (Sulphated Ash, Phosphorus, Sulphur) engine oil, e.g., SAE 5W-30 meeting PSA B71 2290 specification
Oil Change Interval:
Typically 20,000 km or 1 year, whichever comes first (check manual for exact recommendation and driving conditions)
Air Filter Replacement:
Every 40,000 km or 2 years
Fuel Filter Replacement:
Every 60,000 km for diesel engines
Timing Belt Replacement:
Every 120,000 km or 10 years, whichever comes first (critical for HDi engines)
Power Steering Fluid:
LHM Plus (Citroën's hydraulic mineral oil) or equivalent
Coolant Capacity:
Approx. 8.5 - 9.0 liters
Common Faults:
Hydropneumatic suspension leaks or pump issues, glow plug failure, EGR valve clogging, particulate filter (DPF) issues (if fitted), electronic control unit (ECU) glitches
Drivetrain Quirks:
Potential for clutch wear, especially with manual transmission in stop-start traffic. Automatic transmission (AL4) can be prone to hydraulic issues if not serviced regularly.
