🏷️ Basic Information Identification Make: Citroën Model: C4 Year Range: 2004-2010 Engine Variant: 1.6L (Petrol) Codes Chassis Code: First Generation (2004–2010) Engine Code General: Likely TU5JP4 or EC5 variations, depending on specific market and sub-model 👋 Introduction Market Position Positioning: The Citroën C4 (2004-2010) represented Citroën's entry into the compact family car segment, focusing on distinctive styling, comfort, and innovative features. It was positioned as a more stylish and comfort-oriented alternative to many competitors. Competitive Analysis Key Competitors: Ford Focus, Volkswagen Golf, Renault Mégane, Opel Astra, Peugeot 307 Differentiation: The C4 distinguished itself through its avant-garde design (particularly the fixed hub steering wheel on early models), advanced safety features for its time, and a focus on ride comfort, often surpassing rivals in this aspect. Key Features Design: Unique exterior and interior design, sculpted lines, often avant-garde dashboard layout. Comfort: Renowned for its supple ride quality and comfortable seating, characteristic of Citroën's focus on 'Citroën Comfort'. Safety: High safety ratings, advanced airbag systems, ABS, EBD, and optional ESP. Practicality: Offered in hatchback (3-door and 5-door) and coupe variants, providing reasonable interior space and cargo capacity for its class. 📋 Manual Details Coverage Areas Model Coverage: All Citroën C4 models produced between 2004 and 2010 Engine Coverage: Specifically for the 1.6L petrol engine variants Repair Scope: A-Z (All repairs) Page Count Estimated Pages: Significant (Typically 1000+ pages for comprehensive service manuals) Manual Type Type: Service & Repair Manual Source: Dealership Technician Level Language Language: English (Primary language assumed for this product listing) Format Format: Digital (Likely PDF, though physical copies may exist) 📖 Manual Coverage Systems Covered Powertrain: Engine (1.6L petrol), cooling system, fuel system, exhaust system, engine management, clutch, gearbox (manual and automatic where applicable) Chassis: Suspension (front and rear), steering system, braking system (including ABS/ESP diagnostics), wheels and tires Electrical: Battery, charging system, starting system, lighting systems, instrumentation, body electricals, multiplexing/CAN bus systems, infotainment wiring Body: Body construction, exterior panels, interior trim, doors, windows, seating, HVAC system, safety systems (airbags, seatbelts) Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, tune-up procedures Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), fault finding procedures for all major systems Repair: Component removal and installation, overhaul procedures, adjustments, calibration Technical Data: Torque specifications, clearances, alignment data, electrical schematics, wiring diagrams Technical Depth Depth: Comprehensive (Detailed step-by-step instructions, diagrams, and specifications for all repair and maintenance tasks) 📊 Manual Specifications File Format Type: PDF (Likely) Searchability: Text-searchable (Crucial for quick information retrieval) Printability: Printable (Allows for creation of physical copies for workshop use) Print Quality Resolution: High-resolution images and diagrams (Essential for clarity) Binding Type Binding: N/A (Digital format) Paper Type Paper: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-4 Petrol Displacement: 1.6 Liters (1587 cc) Engine Codes Specific: Likely TU5JP4 (PSA engine family) for earlier models, potentially EC5 for later ones (check VIN for precise code). Performance Horsepower: Approx. 110 PS (108 hp) @ 6000 rpm (TU5JP4) Torque: Approx. 147 Nm (108 lb-ft) @ 4000 rpm (TU5JP4) Fuel System Induction: Multi-point fuel injection (MPI) Fuel Type: Unleaded Petrol (Octane rating typically 95 RON) Engine Management ECU Type: Magneti Marelli or Bosch ECU variants, depending on year and market. 🔧 Transmission Standard Type: 5-speed Manual Transmission (e.g., BE4/5) Optional Type: 4-speed Automatic Transmission (AL4/DP0, shared with Renault) Features Manual Transmission: Cable-operated or rod-operated shift linkage, depending on specific gearbox fitted. Automatic Transmission: Hydraulic torque converter, electronic control unit with 'Sport' and 'Snow' modes available on some variants. Fluid Specifications Manual Fluid: Gearbox Oil: API GL-4, SAE 75W-80 (e.g., Total Transmission BV) Automatic Fluid: ATF: Dexron III or equivalent (e.g., Total Fluide AT42) 📐 Dimensions Exterior Body Styles: 5-door Hatchback, 3-door Hatchback (C4 Coupé) Length: Approx. 4260 mm (Hatchback) Width: Approx. 1773 mm (excluding mirrors) Height: Approx. 1459 mm (Hatchback) Cargo Boot Capacity: Approx. 320 liters (Hatchback), expandable with rear seats folded. Weights Kerb Weight: Approx. 1200-1300 kg, depending on specification. 🛡️ Safety Features Ratings Euroncap: 5 Stars (for 2005 Euro NCAP testing), demonstrating excellent occupant protection. Active Features Braking: ABS (Anti-lock Braking System), EBA (Emergency Brake Assist), EBD (Electronic Brakeforce Distribution) Stability: Optional ESP (Electronic Stability Program) Passive Features Airbags: Driver, front passenger, side airbags, curtain airbags (depending on trim level). Unique 'Steering Column Airbag' on some early models. Seatbelts: Pre-tensioned seatbelts with force limiters, ISOFIX child seat mounting points. 💡 Technology Features Infotainment Audio System: Factory fitted radio/CD player with steering wheel controls. Optional upgraded sound systems and CD changers. Display: Central digital display for information, or optional fixed hub with central instrument cluster. Driver Assistance Cruise Control: Available on higher trim levels and later models. Parking Sensors: Optional rear parking sensors available. Connectivity Bluetooth: Optional Bluetooth hands-free system available on later or higher specification models. Aux Input: Auxiliary input for external audio devices on...