Market Position:
The Citroën C4 (first generation) was positioned as a stylish and comfortable compact car, offering a distinctive design and a focus on ride quality. It competed in a crowded segment against vehicles like the Volkswagen Golf, Ford Focus, and Opel/Vauxhall Astra.
Competitive Analysis:
The C4 distinguished itself with its unique interior design, innovative features for its time (like a fixed-hub steering wheel), and a comfortable, compliant suspension. The 1.4i 16V engine provided a balance of fuel efficiency and adequate performance for everyday driving.
Key Features:
The 2004 C4 featured a distinctive exterior design, a well-appointed interior, and a focus on driver and passenger comfort. The 1.4i 16V engine is known for its reliability and good fuel economy in city driving.
Models Covered:
Citroën C4 1.4i 16V (2004), All Models/Engines/Trim/Transmissions Types within the 2004 1.4i 16V variant
Coverage Areas:
General information, Periodic maintenance, Engine, Fuel system and throttle body, Cooling and lubrication system, Chassis, Electrical system, Servicing information, Emission control information, Wiring diagram, and more
Manual Type:
Factory Service Repair Workshop Manual
Delivery Method:
Instant Digital Download
Printability:
Printable without restriction
Completeness:
Complete and intact, no missing/corrupt parts or pages
Systems Covered:
Engine mechanical, Engine management, Fuel delivery, Ignition system, Cooling system, Lubrication system, Exhaust system, Transmission (likely manual, potentially automatic variants), Clutch, Brakes (hydraulic, ABS), Steering, Suspension (front and rear), Body electrical, Lighting, HVAC (Heating, Ventilation, and Air Conditioning), Body structure and exterior panels, Interior trim and components, Safety systems (Airbags, Seatbelts)
Procedures Included:
Routine maintenance, Scheduled servicing, Component removal and installation, Diagnostic procedures, Troubleshooting steps, Repair instructions, Component overhaul, Electrical system tracing, Wiring harness repair, Clutch adjustment and replacement, Brake fluid flush, Suspension alignment checks, Engine timing belt replacement, Spark plug replacement, Oil and filter change, Coolant flush, Throttle body cleaning, Emission control system servicing
Technical Depth:
Comprehensive factory-level detail, suitable for both DIY enthusiasts and professional mechanics. Includes step-by-step instructions, high-quality diagrams, exploded views, torque specifications, and diagnostic flowcharts for thorough repair and maintenance.
Engine Type:
Inline 4-cylinder, Naturally Aspirated
Valvetrain:
DOHC (Double Overhead Camshaft), 16 valves
Bore X Stroke:
75.0 mm x 77.0 mm (typical for TU3 engine family)
Horsepower Ps:
Approximately 90 PS (90 bhp) at around 5200 rpm
Torque Nm:
Approximately 133 Nm (98 lb-ft) at around 3250 rpm
Fuel Injection:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded Petrol (Gasoline)
Emissions Standard:
Euro 4 (likely)
Coolant Capacity:
Approximately 5.5 liters (refer to manual for precise specification)
Engine Oil Capacity:
Approximately 3.5 liters with filter change (refer to manual for precise specification)
Recommended Engine Oil:
Typically 5W-40 or 5W-30 synthetic oil meeting PSA (Peugeot-Citroën) specifications like PSA B71 2296 or B71 2312. Refer to manual for exact specification.
Transmission Type Standard:
5-speed Manual Transmission (likely ML5C or similar PSA unit)
Transmission Type Optional:
Likely an Automated Manual Transmission (AMT) called 'SensoDrive' was an option on some C4 variants. The 1.4i 16V might have also been available with a conventional automatic transmission, though less common.
Clutch Type:
Hydraulically operated dry single-plate clutch
Transmission Fluid Capacity:
Approximately 1.9 liters for manual transmission (refer to manual for exact type and capacity)
Recommended Transmission Fluid:
GL-4 hypoid gear oil, SAE 75W-80 (refer to manual for exact specification and PSA approval number)
Body Style:
5-door Hatchback (also available as 3-door)
Length:
Approximately 4260 mm (for 5-door hatchback)
Width:
Approximately 1773 mm
Height:
Approximately 1479 mm
Wheelbase:
Approximately 2608 mm
Curb Weight:
Approximately 1240 - 1300 kg (depending on trim and options)
Gross Vehicle Weight:
Refer to vehicle's VIN plate or manual
Trunk Capacity Liters:
Approximately 320 liters (for 5-door hatchback)
Euro Ncap Rating:
5 Stars (achieved by the C4 in general, specific results may vary by test criteria and year)
Active Safety Features:
Anti-lock Braking System (ABS), Electronic Stability Program (ESP) (optional or standard depending on trim), Emergency Brake Assist (EBA), Traction Control System (TCS)
Passive Safety Features:
Driver and front passenger airbags, Front side airbags, Curtain airbags (front and rear), Height adjustable seatbelts with pre-tensioners and load limiters, ISOFIX child seat mounting points
Infotainment System:
Base models typically featured a standard RDS radio with CD player. Higher trims might have offered a more advanced audio system with steering wheel controls. The fixed-hub steering wheel was a signature technological feature.
Driver Assistance Features:
Cruise control, speed limiter, parking sensors (optional on some trims). ESP and ASR (Anti-Slip Regulation) were available as optional equipment or standard on higher trims.
Connectivity Options:
Limited by modern standards. Aux input for audio may have been available on some units. Bluetooth connectivity was not common for this model year unless factory-fitted on higher trims.
Oil And Filter Change:
Typically every 15,000 km (9,000 miles) or 1 year, whichever comes first (refer to manual for specific intervals based on driving conditions and oil type).
Air Filter Replacement:
Every 30,000 km (18,000 miles) or 2 years, or as needed based on driving environment.
Spark Plug Replacement:
Typically every 60,000 km (37,000 miles) for standard plugs or longer for platinum/iridium plugs. Refer to manual for specific type and interval.
Coolant Replacement:
Initial replacement at 5 years or 100,000 km (60,000 miles), then every 2 years or 40,000 km (24,000 miles). Refer to manual for exact specification and interval.
Timing Belt Replacement:
Crucial for the 1.4i 16V engine. Typically every 100,000 km (60,000 miles) or 5 years. This is an interference engine, so belt failure will cause severe damage. Refer to manual for exact interval and recommended parts.
Brake Fluid Type:
DOT 4 (refer to manual for exact specification and PSA approval number)
Power Steering Fluid:
Specific hydraulic fluid, often PSA specific. Refer to manual for type and capacity.
Known Issues:
Common issues can include premature wear of suspension components (bushings, shock absorbers) due to comfort-oriented tuning, potential for electrical gremlins (common in many modern cars), issues with the ABS sensors, and possible coil pack failures. The timing belt on the 1.4i 16V is a critical maintenance item; adherence to replacement intervals is paramount to avoid catastrophic engine damage.
Brand Heritage:
Citroën, a French automobile manufacturer founded in 1919 by André-Gustave Citroën, has a long history of innovation, particularly in suspension technology and avant-garde design. Known for models like the 2CV and DS, Citroën has a reputation for comfort and distinctive styling.
Model Evolution:
The Citroën C4 replaced the Citroën Xsara. Introduced in 2004, it was the first generation C4 and represented a significant step forward in design and technology for Citroën's compact car offerings. It was available in hatchback and coupe body styles. It was succeeded by the second generation C4 in 2010.
Production Period:
2004-2010 (First Generation)
Manufacturing Locations:
Primarily manufactured at the PSA (Peugeot-Citroën) plant in Mulhouse, France, and also in other PSA facilities globally.
