🏷️ Basic Information Identification Make: Citroën Model: C4 Year: 2004 Engine: 1.6 16V HDi Codes Engine Code Prefix: DV6 👋 Introduction Market Position Segment: Compact family car (C-segment) Target Audience: Technicians and DIY mechanics seeking in-depth repair information Competitive Analysis Competitors 2004: Volkswagen Golf, Ford Focus, Vauxhall/Opel Astra, Renault Mégane, Peugeot 307 Key Features Format Advantage: Instant download accessibility for immediate repairs Content Depth: Factory-level detail, enabling professional-grade repairs Visuals: Top-quality diagrams and exploded views for clarity 📋 Manual Details Coverage Areas Engine Mechanical: Yes Engine Electrical: Yes Fuel System: Yes Exhaust System: Yes Cooling System: Yes Transmission Manual: Yes Transmission Automatic: Yes Drivetrain: Yes Suspension: Yes Steering: Yes Brakes: Yes Electrical System: Yes Body And Chassis: Yes Interior Trim: Yes HVAC System: Yes Safety Systems: Yes Diagnostics And Troubleshooting: Yes Wiring Diagrams: Yes Page Count Estimated Pages: Hundreds Manual Type Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Management System: Covers Bosch EDC16 or similar ECU systems Common Rail Injection: Detailed information on common rail system operation, diagnosis, and repair Turbocharger And Intercooler: Maintenance and repair of the turbocharging system Emission Control Systems: Includes information on EGR, DPF (if applicable for early models), and catalytic converter systems Anti Lock Braking System: Diagnosis and repair of ABS components and sensors Electronic Stability Program: Covers ESP system operation and troubleshooting Power Steering System: Hydraulic power steering system maintenance and repair Climate Control System: Manual and automatic climate control system servicing Lighting System: Headlights, taillights, interior lighting, and bulb replacement Instrument Panel And Gauges: Diagnosis of dashboard warning lights and instrument cluster issues Body Control Module: Basic BCM functions and troubleshooting Procedures Included Engine Overhaul: Complete engine disassembly, inspection, and reassembly procedures Timing Belt Replacement: Step-by-step instructions for timing belt and associated component replacement Fuel Injector Service: Removal, testing, and installation of fuel injectors Turbocharger Rebuild: Procedures for turbocharger maintenance and potential rebuilds Brake Pad And Rotor Replacement: Front and rear brake component replacement Suspension Component Replacement: Strut, shock absorber, control arm, and ball joint replacement Clutch Replacement: Procedures for manual transmission clutch service Radiator And Coolant Hoses: Replacement of cooling system components and fluid flushing Oil And Filter Changes: Detailed instructions for routine oil and filter maintenance Spark Plug Replacement: Not applicable to HDi diesel model Accessory Belt Replacement: Serpentine or V-belt replacement Battery Testing And Replacement: Battery maintenance and replacement procedures Bodywork Repair Guides: Minor body panel repair and adjustment Interior Trim Removal: Door panel, dashboard, and seat removal procedures Troubleshooting Charts: Diagnostic flowcharts for common issues Torque Specifications: Essential torque values for various fasteners Technical Depth Depth: Comprehensive, from basic maintenance to in-depth engine and electrical system repair Diagnostics: Advanced diagnostic procedures for engine, transmission, and ABS/ESP systems Rebuilds: Detailed rebuild procedures for major mechanical components 📊 Manual Specifications File Format Format: PDF Printable: Yes, full printable Searchable: Likely text-searchable PDF (common for factory manuals) Print Quality Quality: High quality diagrams and instructions Binding Type Binding: Digital Download (N/A for physical binding) Paper Type Paper: Digital Download (N/A for paper type) Requirements Reader Software: Adobe PDF Reader Extraction Software: WinZip or similar file decompression utility Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder Turbocharged Diesel Displacement: 1560 cc Bore X Stroke: 75.3 mm x 88.3 mm Compression Ratio: Approx. 17.3:1 Valve Train: DOHC, 16 valves (4 valves per cylinder) Fuel System: Common Rail Direct Injection (Bosch EDC16 or similar system) Ignition System: Compression Ignition (Diesel) Performance Horsepower Ps: Approximately 110 PS (80 kW) at 4000 rpm Torque Nm: Approximately 240 Nm (177 lb-ft) at 1750 rpm Fuel System Fuel Type: Diesel Turbocharger: Variable Geometry Turbocharger (VGT) 🔧 Transmission Standard Type: 5-speed Manual Transmission Optional Type: 4-speed Automatic Transmission (AL4) Features Clutch Type: Hydraulic, single dry plate 📐 Dimensions Exterior Body Style: Hatchback (3-door and 5-door) Length: Approx. 4265 mm (5-door) Width: Approx. 1773 mm Height: Approx. 1460 mm Weights Curb Weight: Approx. 1300-1350 kg (depending on specification) 🛡️ Safety Features Ratings Euro Ncap Initial Rating: 5 Stars (for the initial C4 generation) Active Features ABS: Standard Anti-lock Braking System Esp: Optional Electronic Stability Program (ESP) Emergency Brake Assist: EBA included with ABS Passive Features Airbags: Multiple airbags (driver, passenger, side, curtain) Seat Belts: Pre-tensioning seat belts with force limiters Chassis Design: Designed for improved crashworthiness 💡 Technology Features Infotainment Radio Options: Factory fitted RDS radio with CD player Navigation: Optional factory navigation system Driver Assistance Cruise Control: Optional cruise control with speed limiter Parking Sensors: Optional rear parking sensors 🔧 Maintenance Service Intervals Oil Change: Typically every 12,500 miles (20,000 km) or 1 year, whichever comes first (check manual for exact) Timing Belt: Crucial service item, generally around 120,000 miles (200,000 km) or 10 years (consult manual) Air Filter:...