Market Position:
Executive Family Car, known for its distinctive styling, advanced Hydractive suspension, and comfortable ride.
Competitive Analysis:
Competed with vehicles like the Ford Mondeo, Volkswagen Passat, Peugeot 407, and Renault Laguna, offering a more luxurious and comfort-oriented alternative.
Key Features:
Hydractive 3+ suspension system, innovative 'Black Panel' display, comfortable and spacious interior, unique styling.
Systems Covered:
Engine mechanicals, Engine management (ECU), Fuel system, Ignition system, Lubrication system, Cooling system, Exhaust system, Transmission (Automatic & Manual), Drivetrain, Suspension (Hydractive 3+), Steering, Braking system (ABS, ESP), Electrical system (including wiring diagrams), Bodywork and interior, Climate control (HVAC), Body Control Module (BCM), Multiplexing systems, Diagnostics and fault finding.
Procedures Included:
Routine maintenance, Scheduled servicing, Diagnostic procedures, Troubleshooting guides, Component removal and installation, Engine repair and overhaul, Transmission servicing and repair, Brake system maintenance and repair, Suspension component replacement, Electrical system troubleshooting and repair, Body panel repair, Air conditioning system servicing, Clutch replacement (manual), Steering system overhaul, Wheel alignment procedures.
Technical Depth:
Comprehensive (suitable for both DIY enthusiasts and professional technicians, covering everything from basic checks to complete engine rebuilds and complex electrical diagnostics).
Engine Description:
Naturally Aspirated V6, 24-valve, DOHC
Displacement:
2946 cc (3.0 Liters)
Bore X Stroke:
82.7 mm x 93.0 mm
Compression Ratio:
10.5:1
Power Output:
152 kW (204 PS; 201 bhp) @ 6000 rpm
Torque Output:
285 Nm (210 lb-ft) @ 3750 rpm
Top Speed:
230 km/h (143 mph)
Acceleration 0 60 Mph:
Approx. 8.0 seconds
Fuel Induction:
Electronic Multi-Point Fuel Injection (MPI)
Fuel Type:
Unleaded Petrol (Octane rating 95 or higher recommended)
Euro Ncap Rating:
5 Stars (for the C5 range, specific scores for 2005 model may vary slightly based on exact test year and equipment)
Active Features:
Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD), Emergency Brake Assist (EBA), Electronic Stability Program (ESP) with Traction Control System (TCS).
Passive Features:
Multiple airbags (front, side, curtain), seatbelt pretensioners, anti-whiplash head restraints.
Infotainment System:
Optional built-in navigation system, CD player, radio, climate control integration.
Driver Assistance Features:
Cruise control, speed limiter, parking sensors (optional).
Connectivity:
Limited by modern standards; typically featured hands-free phone kits (Bluetooth optional).
Service Intervals:
Typical intervals are every 12,500 miles (20,000 km) or 12 months, whichever comes first, for routine servicing. More in-depth checks and fluid changes (e.g., transmission fluid, coolant) may have longer intervals as specified by Citroën. The manual will provide precise intervals and specific checks for this engine and model.
Engine Oil Specification:
Refer to manual for specific grade, likely 5W-40 or 0W-40 synthetic oil meeting PSA (Peugeot-Citroën Automobiles) standards (e.g., PSA B71 2296 or similar).
Coolant Specification:
Antifreeze coolant, typically a long-life organic acid technology (OAT) coolant, mixed 50/50 with distilled water. Citroën specific coolant (e.g., Coolant XF-42).
Transmission Fluid Automatic:
Specific ATF (Automatic Transmission Fluid) as per manufacturer specifications for the AL6 gearbox. Likely a synthetic fluid with specific friction modifiers. Refer to manual for PN.
Brake Fluid Specification:
DOT 4 brake fluid.
Power Steering Fluid:
Hydraulic mineral oil LDS (Liquide de Direction Servotronic) or specific PSA hydraulic fluid for Hydractive suspension systems.
Known Issues:
Hydractive suspension sphere degradation leading to firmness or leaks, EGR valve issues, electronic sensor failures (e.g., crankshaft position sensor), swirl flap issues in some V6 variants (less common in the ES9J4S but worth noting), water ingress into ECU or BSI, intermittent electrical faults due to multiplexing.
Spark Plug Part Number:
Refer to manual (e.g., NGK PFR6B or equivalent)
Oil Filter Part Number:
Refer to manual (e.g., Purolator L35638 or Mann-Filter HU821y)
Air Filter Part Number:
Refer to manual (e.g., Mann-Filter C37137)
Brand Heritage:
Citroën, a French manufacturer with a long history of innovation in automotive engineering, particularly known for its comfort-focused suspension systems and avant-garde designs.
Model Evolution:
The C5 succeeded the Citroën Xantia. The 2005 model represents the 'Phase 2' update, which brought styling revisions, interior upgrades, and improvements to the Hydractive 3+ suspension.
Production Years:
2000-2007 (First Generation)
Manufacturing Location:
Rennes-La Janais plant, France.
