Market Segment:
Compact family car, known for its distinctive styling and comfort-oriented ride
Unique Selling Points:
Striking avant-garde design, comfortable and spacious interior, innovative features (e.g., fixed-hub steering wheel on some models)
Key Competitors:
Volkswagen Golf, Ford Focus, Opel Astra, Renault Mégane
Design Philosophy:
Modern, distinctive, and driver-centric interior with a focus on comfort and ergonomics
Technological Innovation:
Often featured advanced technologies for its class, including directional headlights and advanced driver aids (depending on trim)
Coverage Scope:
Complete factory service repair and workshop procedures
Trim Levels Covered:
All trim levels
Page Count:
Hundreds of pages (specific number not provided, but implied extensive coverage)
Manual Type:
Service Repair Workshop Manual
Language:
English (implied by product description) - Note: Factory manuals may also exist in French and other languages, but this product is described in English.
Powertrain Engine:
Engine mechanical, tuning, diagnosis, repair, overhaul for all gasoline and diesel variants
Powertrain Transmission:
Manual and Automatic transmission overhaul, diagnosis, repair, fluid specifications, and servicing
Chassis Suspension:
Front and rear suspension systems, steering components, wheel alignment, shock absorbers, springs
Chassis Brakes:
Brake system diagnosis, repair, component replacement (pads, discs, calipers, lines), ABS, EBD, Brake Assist
Electrical System:
Complete electrical system schematics, wiring diagrams, component testing, diagnosis, lighting, charging system, starting system
Body And Interior:
Body panel repair, door mechanisms, interior trim, seat removal and repair, HVAC system, body electronics
Diagnostics Troubleshooting:
Systematic troubleshooting guides for common and complex issues, fault code interpretation
Preventative Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, fluid checks, tune-ups
Repair Procedures:
Step-by-step instructions for major component repairs and replacements
Diagnostic Procedures:
Methods for diagnosing electrical faults, mechanical issues, and performance problems
Rebuilding Procedures:
Detailed instructions for rebuilding engines, transmissions, and other major components
Adjustment Procedures:
Procedures for adjusting brakes, clutches, timing, and other critical systems
Depth Level:
Professional-grade, suitable for dealership technicians and advanced DIY enthusiasts
Diagnostic Tools:
Information on diagnostic procedures and potential use of specialized tools (e.g., diagnostic scanners)
Engine Variants Offered:
1.4L (EP3, EP6), 1.6L (NFU, 10JZ, 5FS), 1.6L HDi (9HX, 9HZ), 2.0L (EW10), 2.0L HDi (RHR, RHH)
Horsepower Range:
Approximately 68 hp (1.4 HDi) to 180 hp (2.0 Turbo - though this variant might be later model)
Torque Range:
Variable, depending on engine variant (e.g., ~170 Nm for 1.6 HDi, ~320 Nm for 2.0 HDi)
Fuel Delivery:
Multi-point fuel injection (MPI) for gasoline, Common Rail Direct Injection (CRDi) for diesel
Emission Controls:
Catalytic converters, Diesel Particulate Filter (DPF) on some diesel models
Standard Transmission:
5-speed manual transmission (e.g., MA5 for smaller engines, ML5 for larger)
Optional Transmission:
4-speed automatic transmission (e.g., AL4) or 6-speed semi-automatic (e.g., EGS - Electronic Gearbox System)
Transmission Fluid Type:
Specific ATF for automatics (e.g., LT71141 or equivalent), Gear Oil for manuals (e.g., 75W-80 GL-4)
Body Styles:
5-door hatchback, 3-door hatchback
Length:
Approx. 4,260 mm (167.7 in)
Width:
Approx. 1,773 mm (69.8 in) (excluding mirrors)
Height:
Approx. 1,478 mm (58.2 in)
Wheelbase:
Approx. 2,608 mm (102.7 in)
Curb Weight:
Ranges from approx. 1,165 kg to 1,480 kg depending on engine and specification
Euro Ncap Rating:
5 stars (for original Euro NCAP testing of the C4)
Active Safety:
ABS with EBD (Electronic Brakeforce Distribution), Emergency Brake Assist (EBA), ESP (Electronic Stability Program) and ASR (Anti-Slip Regulation) often optional or standard on higher trims
Passive Safety:
Multiple airbags (front, side, curtain), front seatbelt pretensioners with load limiters, ISOFIX child seat anchorage points, energy-absorbing body structure
Infotainment Features:
CD player, radio, optional navigation system (MyWay/RT4), Bluetooth connectivity (often optional)
Driver Assistance Features:
Cruise control, speed limiter, parking sensors (optional), cornering lights (optional)
Connectivity Options:
Bluetooth hands-free calling and audio streaming (dependent on factory fitment)
Oil Change Interval:
Typically 20,000 km (12,500 miles) or 2 years, whichever comes first. Diesel models with DPF may have shorter intervals or specific regeneration requirements.
Timing Belt Replacement:
Varies by engine, typically around 120,000 km (75,000 miles) or 10 years. Critical for many PSA engines.
Engine Oil Spec:
Varies by engine, but commonly ACEA A3/B4 or C2/C3, viscosity grade 5W-30 or 0W-30. Consult manual for specific engine requirement.
Coolant Spec:
Ethylene glycol-based coolant, typically PSA specific blue coolant (e.g., PSA S71-0127).
Common Issue Electrical:
Can experience issues with BSI (Body System Interface) module, multiplexed wiring, and sensor failures (e.g., ABS sensors, crankshaft position sensor).
Common Issue Engine:
1.6 HDi engines can be prone to turbocharger issues and DPF clogging if not maintained correctly. Ignition coil issues on some petrol engines. Thermostat housing leaks.
Common Issue Transmission:
Automatic transmission (AL4) can exhibit shifting problems or solenoid issues. Clutch master cylinder leaks.
Common Issue Suspension:
Worn suspension bushings, especially rear axle bushings, can lead to noise and handling issues.
Citroen Heritage:
Citroën has a long history of innovation, particularly in chassis and comfort technology, dating back to André Citroën's early automotive ventures.
C4 Lineage:
The C4 replaced the Citroën Xsara, continuing Citroën's tradition of offering distinctive and comfortable compact cars. It was also twinned with the Peugeot 307 platform.
Production Period:
2004-2010 (First Generation)
Manufacturing Locations:
Primary production in France (e.g., Aulnay-sous-Bois, Poissy) and Spain (Vigo).
