Segment:
Mid-size family car, European market focus
Competitors:
Ford Mondeo, Volkswagen Passat, Opel Vectra, Renault Laguna, Peugeot 407
Suspension Type:
Hydropneumatic suspension (Hydractive 3 or similar on certain trims, though the 1.8i may have conventional suspension)
Styling:
Distinctive, flowing design characteristic of Citroën's contemporary styling language
Comfort:
Emphasis on ride comfort and interior refinement
Primary Coverage:
Complete factory service and repair
Secondary Coverage:
Maintenance, troubleshooting, diagnostics, component repair, wiring diagrams
Estimated Pages:
Likely 1000+ pages (typical for a full factory service manual)
Type:
Workshop Service Repair Manual
Powertrain:
Engine, fuel system, throttle body, cooling system, lubrication system
Chassis:
Suspension, steering, brakes, wheels, tires
Electrical:
Complete electrical system, wiring diagrams, lighting, accessories, body electronics
Bodywork:
Body panels, interior trim, doors, windows, seats (likely covered under general repair sections)
Maintenance:
Periodic maintenance schedules, fluid changes, filter replacements, inspections
Repair:
Step-by-step repair procedures for all major components, including engine, transmission, brakes, suspension, and electrical systems
Diagnostics:
Troubleshooting guides, diagnostic procedures for common and uncommon faults, fault code interpretation
Disassembly Assembly:
Complete disassembly and reassembly instructions for all major vehicle systems
Depth:
Comprehensive, covering everything from basic maintenance to advanced diagnostics and component overhaul
Diagrams:
High-quality, detailed diagrams, exploded views, and illustrations
Target Audience:
Do-it-yourselfers and experienced professional mechanics
Engine Code:
EW7J4 (likely)
Configuration:
Inline 4-cylinder, DOHC, 16 valves
Displacement:
1798 cc (1.8 Liters)
Horsepower:
Approx. 115-117 PS (85-86 kW) at around 5500-6000 rpm
Torque:
Approx. 160-170 Nm (118-125 lb-ft) at around 4000-4200 rpm
Injection Type:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline (Petrol)
Standard:
Euro 3 / Euro 4 (depending on exact build date and market)
Type:
5-speed Manual Transmission (ML5C or similar)
Type:
4-speed Automatic Transmission (AL4 or similar, though less common with the 1.8i)
Fluid Type Manual:
Refer to manual for specific API GL-4/GL-5 specification and viscosity grade (e.g., 75W-80 or 75W-90)
Fluid Type Automatic:
LT71141 or equivalent Dexron III/VI (confirm specific type in manual)
Length:
Approx. 4750 mm (187.0 in)
Width:
Approx. 1770 mm (69.7 in)
Height:
Approx. 1460 mm (57.5 in)
Curb Weight:
Approx. 1400-1500 kg (3086-3307 lbs) depending on transmission and equipment
Gross Vehicle Weight:
Refer to vehicle's VIN plate (typically 1900-2000 kg)
Euro Ncap Score:
Likely 4 or 5 stars for frontal and side impact (design generation dependent, verify specific 2004 model)
ABS:
Standard Anti-lock Braking System
Esp:
Likely optional Electronic Stability Program (ESP) or similar traction control systems
Brake Assist:
Likely standard Brake Assistance System (AFU)
Airbags:
Frontal airbags, side airbags, and possibly curtain airbags depending on trim level
Seatbelts:
Pre-tensioning seatbelts with force limiters
Audio System:
Factory fitted radio/CD player, often with steering wheel controls. Higher trims may include JBL or premium sound systems.
Navigation:
Optional factory navigation system available on higher trim levels.
Cruise Control:
Standard or optional cruise control and speed limiter functionality.
Parking Sensors:
Optional rear parking sensors available on some models.
Connectivity Options:
Limited by era; likely includes basic auxiliary input or CD changer interface. Bluetooth might be an aftermarket addition or present on later builds/higher trims.
Oil Change:
Typically every 15,000 - 20,000 km (9,000 - 12,000 miles) or 1-2 years, whichever comes first (refer to manual for exact interval)
Air Filter:
Recommended every 30,000 - 40,000 km (18,000 - 25,000 miles)
Spark Plugs:
Platinum or Iridium type, typically every 80,000 - 100,000 km (50,000 - 60,000 miles)
Engine Oil:
5W-40 or 10W-40, ACEA A3/B3 or A3/B4 specification (e.g., Total Quartz 7000/9000). Capacity approx. 4.5 liters with filter.
Coolant:
Organic Additive Technology (OAT) type coolant, typically purple or pink. Capacity approx. 7.5 liters.
Brake Fluid:
DOT 4 Low Viscosity (LV) brake fluid. Replace every 2 years.
Suspension Hydraulics:
Potential leaks or failures in hydropneumatic suspension spheres or pumps if equipped.
Electronics:
Common electrical gremlins can occur, particularly with body control modules, ABS sensors, or central locking systems. Wiring insulation degradation can also be an issue.
Engine Management:
Intermittent issues with ignition coils or sensor failures can affect engine performance.
Exhaust System:
Corrosion on exhaust components, particularly catalytic converters and mufflers, can be an issue in certain climates.
Brand Focus:
Citroën is known for innovative design, comfort-oriented engineering, and pioneering technologies like hydropneumatic suspension.
First Generation:
The first generation Citroën C5 (X4) was introduced in 2000, replacing the Xantia.
Facelift:
The 2004 model year typically represents a minor facelift or running change for the first generation C5.
Manufacturing Plant:
Rennes-La Janais, France
Safety Awards:
Likely received good safety ratings from Euro NCAP, contributing to its appeal as a family car. Specific awards may vary.
Owner Satisfaction:
Mixed; while praised for comfort and unique features, some models faced reliability concerns, especially with electronics and hydraulics. The 1.8i is generally considered more reliable than larger engines or diesel variants.
