🏷️ Basic Information Identification Make: Citroën Model: C4 Codes Platform Code: PSA PF2 Generation Generation Designation: First Generation (Type B58) Year Range Covered Years: 2004-2009 👋 Introduction Market Position Target Audience: Owners with basic mechanical skills and independent auto service professionals. Segment: Compact family car (C-segment). Competitive Analysis Value Proposition: Provides dealer-level specifications and procedures at a fraction of the cost, empowering owners to understand and manage their vehicle's maintenance and repairs. Key Features Access Method: Instant download upon payment, eliminating shipping costs and wait times. Device Compatibility: Viewable on PC, Mac, and various devices including smartphones and e-readers (e.g., Kindle). 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair procedures for Citroën C4 (2004-2009) Specific Engines Covered: 1.6L Petrol (likely the TU5/EC5 variants) and 1.6L HDi Diesel engines Page Count Estimated Page Count: Varies by edition, but typically 1000+ pages for a comprehensive service manual. Manual Type Type: Service and Repair Manual Language Language: Spanish Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine service and overhauling, fuel system, induction, emission control, mechanical components, transmission, differentials. Chassis And Body: Chassis, bodywork, steering, suspension, brakes (including ABS). Electrical And Diagnostics: Wiring diagrams, control systems, troubleshooting, and diagnostics. Emission Control Systems: Covers diagnosis and repair of emission control systems, including catalytic converters, oxygen sensors, and EGR (Exhaust Gas Recirculation) valves. Control Systems: Detailed information on engine management systems, ABS control modules, and other electronic control units (ECUs). Fuel System: Covers fuel tank, pump, lines, injectors (petrol), and high-pressure fuel pump and injectors (diesel). Induction And Exhaust: Includes intake manifolds, air filters, exhaust systems, and turbocharger systems for diesel variants. Steering And Suspension: Details on steering rack, power steering pump, control arms, shock absorbers, and wheel bearing replacement. Procedures Included Maintenance: Routine maintenance procedures, fluid checks and changes, filter replacements, scheduled servicing. Diagnostics And Repair: Fault diagnosis, symptom analysis, component testing, repair procedures for all covered systems, including engine rebuilding and transmission overhauling. Technical Guidance: Specific terminal pin connections, expected readings, engine management system analysis, common fault fixes, pre-emptive maintenance tips. Wiring Diagram Interpretation: Provides detailed wiring diagrams with specific terminal pin connections and expected voltage/resistance readings for accurate electrical troubleshooting. Diagnostic Techniques: Outlines diagnostic strategies, including fault code retrieval, symptom-based troubleshooting, and 'secret techniques' used by professional mechanics. Practical Solutions: Offers practical, quick solutions to common drivability issues like no-starts, hesitations, and stalling, often with illustrative drawings. Mechanic Interaction: Empowers owners to communicate effectively with mechanics, understand proposed repairs, and verify completed work. Engine Overhauling Steps: Detailed procedures for engine disassembly, inspection, measurement, and reassembly, including piston ring replacement, bearing checks, and cylinder head work. Brake System Repairs: Covers brake pad and disc replacement, caliper servicing, brake line inspection and replacement, and bleeding procedures. Technical Depth Depth Level: Comprehensive, covering basic owner checks to advanced diagnostic techniques and complete mechanical overhauls. Suitable for both DIY owners and independent professionals. Torque Settings: Includes detailed torque specifications for all major fasteners and components, crucial for correct assembly and preventing damage. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printability: Printable pages for practical use, avoiding damage to original documents. Binding Type Binding Format: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine 1 6 Petrol: Likely the 1.6L 16v TU5JP4 (EW10J4 precursor) or EC5 engine, producing around 110 PS (108 hp; 81 kW). Engine 1 6 Hdi Diesel: The 1.6L HDi turbodiesel engine, available in various power outputs (e.g., 90 PS / 89 hp / 66 kW and 110 PS / 108 hp / 80 kW variants) with common rail direct injection. Fuel System Petrol Fuel System: Multi-point fuel injection (MPI). Diesel Fuel System: Common Rail Direct Injection (CDi) with turbocharging and intercooling for HDi variants. Performance 1 6 Hdi Power Output: The 1.6 HDi engine was typically offered in 90 PS (66 kW) and 110 PS (80 kW) variants, with peak torque figures around 205 Nm and 240 Nm respectively. 1 6 Petrol Power Output: The 1.6 16v petrol engine usually produced around 110 PS (81 kW) with a torque output in the region of 150 Nm. 🔧 Transmission Standard Gearbox Options: Typically offered with a 5-speed manual transmission (e.g., BE series) and a 4-speed automatic transmission (e.g., AL4). Features Automatic Transmission Features: The AL4 automatic often featured Tiptronic (manual override) functionality. 📐 Dimensions Exterior Body Styles: Available as a 5-door hatchback and a 3-door hatchback. A 4-door sedan and a station wagon (C4 Picasso) were also part of the C4 family but might not be covered in detail for this specific manual focus. Weights Curb Weight: Approx. 1200-1350 kg (2645-2976 lbs) depending on engine and specification. 🛡️ Safety Features Ratings Euro Ncap Rating: Achieved a 5-star Euro NCAP safety rating for adult occupant protection. Passive Features Airbags: Multiple airbags...