Specific gear ratios available within the manual, detailed for each gear.
Fluid Specifications
Manual Fluid:
API GL-4 SAE 75W-80 (e.g., PSA S71 2306 specification)
Automatic Fluid:
LF-Type (Low Friction) ATF (e.g., Mobil ATF LT 71141 or equivalent)
đ Dimensions
Exterior
Length:
4260 mm (167.7 in)
Width:
1773 mm (69.8 in)
Height:
1458 mm (57.4 in)
Wheelbase:
2605 mm (102.6 in)
Weights
Curb Weight:
Approximately 1300-1400 kg (2866-3086 lbs), varies by transmission and equipment
Cargo
Trunk Capacity:
320 liters (11.3 cu ft)
đĄïž Safety Features
Ratings
Euro Ncap Rating:
5 Stars (for 2004 model)
Active Features
ABS:
Standard (Anti-lock Braking System)
Esp:
Optional (Electronic Stability Program) / Included on higher trims
Ebs:
Standard (Emergency Brake Assist)
Passive Features
Airbags:
Frontal Airbags, Side Airbags, Curtain Airbags (depending on trim)
Seatbelts:
3-point Seatbelts with Pre-tensioners and Load Limiters
đĄ Technology Features
Infotainment
Head Unit:
Factory CD Player with RDS, optional MP3 compatibility. Steering wheel audio controls.
Driver Assistance
Cruise Control:
Optional cruise control and speed limiter.
Parking Sensors:
Optional rear parking sensors.
Connectivity
Bluetooth:
Optional Bluetooth hands-free system on higher trims.
Comfort Features
Climate Control:
Manual or automatic dual-zone climate control.
Lighting
Headlights:
Halogen projector headlights, optional Xenon headlights with cornering function.
đ§ Maintenance
Service Intervals
Oil Change:
Every 12,500 miles or 1 year, whichever comes first. Check manual for specific conditions.
Spark Plugs:
Approximately every 37,500 miles for standard plugs or 62,500 miles for iridium plugs (check specific plug type).
Timing Belt:
Recommended replacement every 75,000 miles or 5 years for the 2.0i 16V engine. CRITICAL to follow this interval to prevent engine damage.
Fluid Specifications
Engine Oil:
SAE 5W-40, meeting ACEA A3/B4 or PSA B71 2296 specifications.
Coolant:
Long-life coolant, typically orange or pink (PSA S71 5111 specification) - mixture of 50% antifreeze and 50% distilled water.
Brake Fluid:
DOT 4 (e.g., PSA S71 2113 specification).
Known Issues
Timing Belt Tensioner:
Failure of the timing belt tensioner can lead to belt slippage and severe engine damage. Regular inspection and replacement are crucial.
Coil Packs:
Ignition coil pack failures can cause misfires and rough running.
Automatic Transmission Solenoids:
The AL4 automatic transmission is known for potential solenoid failures, leading to shifting issues.
Water Pump:
Leaks from the water pump seal, especially during timing belt replacement, are common.
Suspension Bushings:
Wear in suspension bushings can lead to knocking noises and poor handling.
đ Vehicle History
Brand Heritage
Heritage:
Citroën, a French manufacturer with a long history of innovation in automotive design and engineering, particularly known for its hydraulic suspension systems and avant-garde styling.
Model Evolution
Generation:
First Generation (2004-2010). The C4 marked a significant shift for Citroën, replacing the Xsara and establishing a new design language.
Production
Manufacturing Locations:
Primarily manufactured in France (Aulnay-sous-Bois) and Spain (Vigo).