Vehicle Class:
Compact Family Car (C-segment)
Key Competitors 2004:
Volkswagen Golf, Ford Focus, Opel Astra, Peugeot 307, Renault Mégane
Model Distinctiveness:
Known for its distinctive styling, innovative features (e.g., fixed-hub steering wheel), and comfortable ride.
Benefit To Owner:
Inexpensive way to keep the vehicle working properly, empowers DIY repairs and informed maintenance.
Model Variants Covered:
All Models, Engines, Trim, and Transmission Types for the 2004 Citroën C4 2.0 16V HDi
Estimated Page Count:
Likely several hundred pages (typical for a comprehensive factory service manual)
Type:
Factory Service Repair Workshop Manual
Format:
PDF (Digital Download)
Engine Systems:
Engine mechanical, fuel system, throttle body, cooling system, lubrication system, emission control
Chassis Systems:
Suspension, steering, brakes, wheels, tires
Electrical Systems:
Wiring diagrams, electrical components, lighting, instrumentation, body electronics
Body And Interior:
Body panels, interior trim, seats, airbags, HVAC system.
Fuel System Details:
Fuel pump, injectors, fuel filter, high-pressure pump, common rail, pressure sensors.
Cooling System Details:
Radiator, thermostat, water pump, coolant hoses, expansion tank, fan control.
Lubrication System Details:
Oil pump, oil filter, oil passages, sump, oil pressure sensor.
Maintenance Procedures:
Periodic maintenance, fluid changes, filter replacements, inspections
Repair Procedures:
Component disassembly, reassembly, repair, and replacement
Troubleshooting:
Diagnostic procedures, common faults, symptom analysis
Diagnostic Trouble Codes:
Includes guidance on reading and interpreting diagnostic trouble codes (DTCs) from the Engine Control Module (ECM) and other modules.
Engine Rebuild:
Step-by-step procedures for engine disassembly, overhaul, and reassembly.
Transmission Service:
Maintenance and repair procedures for both manual and automatic transmissions.
Depth:
Comprehensive; covers from basic maintenance to complete disassembly and reassembly
Documentation Quality:
High-quality diagrams, top-quality diagrams, easy-to-read text sections
Special Tools:
Details required special tools for specific repair procedures.
Engine Type:
Inline-4 Turbocharged Diesel (HDi)
Displacement:
1997 cc (2.0 Liters)
Valvetrain:
DOHC, 4 valves per cylinder (16 valves total)
Horsepower Approximate:
Approximately 110 PS (metric horsepower) or around 108 bhp (brake horsepower)
Torque Approximate:
Approximately 235-250 Nm (Newton-meters)
Injection System:
Common Rail Direct Injection (CRDi) with turbocharger and intercooler
Euro Ncap Rating:
5 Stars (achieved by C4 family)
ABS:
Standard Anti-lock Braking System (ABS)
Esp:
Optional Electronic Stability Program (ESP) likely available on higher trims or as an option.
Airbags:
Multiple airbags (front, side, curtain) standard or optional depending on trim.
Audio System:
Factory fitted radio/CD player with steering wheel controls and display integrated into the dashboard.
Cruise Control:
Optional cruise control and speed limiter functionality.
Parking Sensors:
Optional rear parking sensors.
Auxiliary Input:
Early models may not have standard auxiliary input; later versions or aftermarket solutions might offer this.
Fixed Hub Steering Wheel:
Iconic feature of the C4, where the central part of the steering wheel remains stationary, allowing for safer airbag deployment and integrated controls.
Oil Change Interval:
Typically every 20,000 km or 1 year, whichever comes first, with specific oil type requirements.
Timing Belt Interval:
Refer to manual for specific interval for the 2.0 HDi engine (critical maintenance item).
Engine Oil Specification:
Likely PSA Specification B71 2290 or similar Low SAPS diesel engine oil (e.g., 5W-30 or 0W-30).
Coolant Specification:
Likely PSA Specification G33 or G34 (long-life antifreeze/coolant).
Brake Fluid Specification:
DOT 4
Common Problems 2004 Hdi:
Potential issues can include DPF (Diesel Particulate Filter) regeneration problems, EGR valve issues, turbocharger problems, and sensor failures, typical for early diesel technology.
Electrical Gremlins:
Some Citroën models can be prone to minor electrical faults or sensor issues if not properly maintained.
Citroen Legacy:
Citroën has a long history of innovative automotive design and engineering, known for comfort and avant-garde styling.
C4 Introduction:
The Citroën C4 was launched in 2004 as the successor to the Citroën Xsara, marking a significant step forward in design and technology for the brand.
Manufacturing Locations:
Primarily manufactured in France (e.g., Aulnay-sous-Bois, Poissy) and the Czech Republic (TPCA joint venture).
