🏷️ Basic Information Identification Make: Citroën Model: C4 Model Variant: 1.4i 16V Year: 2004 Codes Engine Code: ET3J4 👋 Introduction Market Position Segment: Compact family car Competitive Analysis Competitors: Volkswagen Golf, Ford Focus, Opel Astra, Renault Mégane Key Features Design Philosophy: Distinctive styling, comfortable ride, emphasis on passenger well-being (Citroën's 'créative technologie') Manual Benefit: Empowers owners and technicians with in-depth knowledge for efficient and accurate repairs, saving time and money 📋 Manual Details Coverage Areas Coverage Scope: Complete vehicle service and repair Page Count Estimated Page Count: Extensive (typical for official service manuals, likely 1000+ pages) Manual Type Type: Official Factory Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Full overhaul, timing belt, pistons, rings, valves, crankshaft, camshafts, lubrication system Engine Management: Fuel injection system (ECU, sensors, injectors), ignition system, emission control systems (catalytic converter, EGR), diagnosis of engine codes Transmission: Manual transmission (gearbox, clutch, linkages), removal and installation, overhaul, fluid specifications Braking System: Front and rear disc brakes, ABS, EBD, brake fluid specifications, caliper overhaul, pad and rotor replacement, bleeding procedures Suspension: Front MacPherson struts, rear torsion beam axle, shock absorber replacement, spring replacement, wheel alignment specifications Steering: Power assisted steering system, steering rack, pump, fluid specifications, diagnosis Electrical System: Battery, charging system (alternator, starter motor), lighting system, horns, power windows, central locking, body control modules (BCM) Cooling System: Radiator, coolant pump, thermostat, hoses, fan, coolant specifications, flushing and filling procedures Fuel System: Fuel tank, fuel pump, fuel filter, fuel lines, fuel pressure regulator HVAC System: Air conditioning, heating, ventilation, blower motor, refrigerant, system diagnosis Body And Chassis: Body panels, doors, hinges, latches, interior trim, glass replacement, chassis components Wiring Schematics: Comprehensive electrical wiring diagrams for all systems Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks, tire rotations Troubleshooting Diagnosis: Step-by-step diagnostic procedures for common and uncommon faults, fault code interpretation Major Repairs: Engine rebuilds, transmission overhauls, brake system repairs, suspension component replacement Component Replacement: Detailed instructions for replacing virtually every component on the vehicle Specifications Torque Settings: Precise torque specifications for all fasteners and assemblies Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts Diagrams Illustrations: Abundant clear diagrams, exploded views, and step-by-step illustrations Data Tables: Comprehensive technical data tables, including specifications, tolerances, and capacities 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Print Quality Printability: Full printable, allowing users to print specific pages or sections Zoom Capabilities: High zoom capability for detailed viewing of diagrams and text Binding Type Binding: Digital (PDF format, not a physical book) Paper Type Digital Media: Digital file accessible via PDF reader ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 4-Cylinder Petrol Displacement: 1360 cc Valvetrain: DOHC (Double Overhead Camshafts), 4 valves per cylinder (16 valves total) Bore X Stroke: 77.0 mm x 73.1 mm (typical for ET3J4) Performance Horsepower: Approx. 88-90 PS (65-66 kW) at 5250-5750 rpm Torque: Approx. 133-135 Nm (98-99 lb-ft) at 3250-3750 rpm Fuel System Fuel Delivery: Electronic Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Petrol (Octane rating typically 95 RON or higher) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Transmission Optional Transmission Type Optional: Not specified for this engine variant in the product description, but likely a manual was standard. Features Clutch Type: Hydraulically operated single dry plate clutch 📐 Dimensions Exterior Body Styles: Hatchback (3-door and 5-door variants exist for C4 range) Length: Approx. 4273 mm (for 5-door hatchback) Width: Approx. 1773 mm Height: Approx. 1488 mm Weights Curb Weight: Approx. 1200-1250 kg Gross Vehicle Weight: Typically around 1700-1750 kg 🛡️ Safety Features Ratings Euro Ncap Rating: 5 Stars (for the Citroën C4, 2005 assessment) Active Features ABS: Standard Anti-lock Braking System Esp: Optional Electronic Stability Program (ESP), often available on higher trims or as an option Passive Features Airbags: Multiple airbags (front, side, curtain airbags depending on trim level) Seatbelts: Pre-tensioned seatbelts with load limiters Body Structure: High-strength steel safety cage 💡 Technology Features Infotainment Audio System: Standard CD player with radio, auxiliary input may be available on some trims. Display: Central digital display for audio, climate, and trip information. Driver Assistance Cruise Control: Optional cruise control and speed limiter functionality. Connectivity Bluetooth: Rare for this year and engine, but possible as an aftermarket or high-trim option. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 20,000 km or 12 months, whichever comes first (depending on driving conditions and oil specification). Timing Belt Replacement: Recommended every 120,000 km or 6 years, whichever comes first. Critical component. Spark Plug Replacement: Typically at 60,000 km for standard plugs, or longer for iridium plugs. Fluid Specifications Engine Oil Specification: Likely Total Quartz 9000 5W-30 or equivalent meeting PSA B71 2290 specification (low SAPS). Coolant Specification: Antifreeze/Coolant (Ethyl glycol based) meeting PSA S71 2100 (or equivalent green type)....