🏷️ Basic Information Identification Make: Citroën Model: C4 Generation: II Model Year: 2012 Body Styles Covered: Hatchback (5-door) Codes Chassis Code: B7 👋 Introduction Market Position Segment: Compact family car (C-segment). Design Philosophy: Focus on comfort, innovative design, and a distinctive French character. Competitive Analysis Key Competitors: Volkswagen Golf, Ford Focus, Opel/Vauxhall Astra, Peugeot 308, Renault Mégane. Key Features Unique Selling Points: Distinctive styling, comfortable ride quality (often utilizing advanced suspension designs), spacious interior, focus on driver and passenger comfort. Manual Advantage: Provides technicians and advanced DIYers with the exact, vehicle-specific information needed for accurate diagnosis and repair, mirroring dealership procedures. 📋 Manual Details Coverage Areas Coverage Scope: All models and all repairs A-Z Page Count Estimated Page Count: Varies by specific edition, typically 2000-4000+ pages for comprehensive dealer-level manuals. Manual Type Type: Service and Repair Manual Language Language: English (Primary focus, typically translated from original manufacturer documentation) Format Format: Digital (PDF) - searchable and printable 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, valve train, pistons, connecting rods, crankshaft, lubrication system, cooling system. Engine Management: Fuel injection, ignition system, emissions control, engine control unit (ECU) diagnostics and programming. Transmission Manual: Manual gearbox assembly, clutch, shift mechanism, synchronizers, bearings. Transmission Automatic: Automatic transmission (e.g., EGS, AT8 variants), torque converter, valve body, electronic controls, fluid system. Drivetrain: Front-wheel drive system, drive shafts, constant velocity (CV) joints, differentials. Suspension: Front suspension (e.g., MacPherson struts), rear suspension (e.g., torsion beam or multi-link), springs, shock absorbers, anti-roll bars. Steering: Electric power steering (EPS) system, steering column, steering rack and pinion, alignment specifications. Brakes: Front and rear brake systems (discs and pads), hydraulic system, ABS (Anti-lock Braking System), ESP (Electronic Stability Program), brake fluid specifications. Electrical System: Battery, alternator, starter motor, lighting system (headlights, taillights, interior), power windows, central locking. Body Electrical: Body control modules (BCM), comfort systems, wipers and wash system, horn, sensors. Body And Chassis: Body construction, panels, doors, hood, trunk, chassis components, corrosion protection. Interior: Seats, dashboard, trim panels, airbags, seat belts, climate control system. Hvac Climate Control: Air conditioning system (compressor, condenser, evaporator), heater core, ventilation, cabin filter replacement, refrigerant type and capacity. Procedures Included Scheduled Maintenance: Oil change intervals, filter replacements (oil, air, cabin), spark plug replacement, brake fluid flush, coolant flush, transmission fluid change. Diagnostic Procedures: Troubleshooting charts, fault code interpretation, wiring diagrams, testing of electrical components and sensors. Engine Repair: Engine removal and installation, cylinder head gasket replacement, timing belt/chain service, piston and ring replacement, bearing replacement. Transmission Repair: Clutch replacement, gearbox overhaul, automatic transmission component replacement, hydraulic system repair. Brake System Repair: Brake pad and rotor replacement, brake caliper overhaul, bleeding the brake system, ABS component replacement. Suspension And Steering Repair: Shock absorber and strut replacement, ball joint and tie rod end replacement, steering rack replacement, wheel alignment. Electrical Component Replacement: Alternator, starter, battery, sensors, actuators, control modules, lighting components. Bodywork And Trim: Panel removal and installation, door mechanism adjustment, interior trim component replacement. Technical Depth Depth: Dealer-level, comprehensive. Covers everything from basic maintenance to complete component overhauls and complex diagnostics. Diagnostic Tools Reference: Includes references to diagnostic scan tools (e.g., Diagbox) and specific fault code interpretations. 📊 Manual Specifications File Format Format: PDF Print Quality Quality: High resolution for clear viewing of diagrams and text. Printable. Binding Type Binding: N/A (Digital format) Paper Type Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Variants: Multiple petrol (e.g., VTi, THP) and diesel (e.g., HDi) variants available across different markets. Example Petrol Engine: 1.6 VTi (EP6) naturally aspirated Example Petrol Engine Hp: Approx. 120 PS (88 kW) Example Petrol Engine Torque: Approx. 160 Nm Example Diesel Engine: 1.6 HDi (DV6) Example Diesel Engine Hp: Approx. 92 PS (68 kW) or 112 PS (82 kW) Example Diesel Engine Torque: Approx. 230 Nm (92 PS) or 270 Nm (112 PS) Performance Cylinder Count: 4 cylinders (inline) Engine Layout: Front-transverse Fuel System Petrol Fuel Delivery: Multi-point fuel injection (MPI) or Direct Injection (THP variants) Diesel Fuel Delivery: Common Rail Direct Injection (CRDi) Emissions Control: Catalytic converter, Diesel Particulate Filter (DPF) for diesel models, EGR (Exhaust Gas Recirculation). 🔧 Transmission Standard Transmission Type Standard: 5-speed or 6-speed Manual Transmission (e.g., BE series) Optional Transmission Type Optional: Automated Manual Transmission (EGS - Electronic Gearbox System) or traditional Automatic Transmission (AT8) Features Clutch Type: Single dry plate clutch (Manual transmission) Transmission Fluid Type: Specific manual gearbox oil (e.g., PSA B71 2316) and automatic transmission fluid (ATF) type specified in manual. 📐 Dimensions Exterior Length: Approx. 4,300 mm Width: Approx. 1,790 mm Height: Approx. 1,490 mm Wheelbase: Approx. 2,610 mm Cargo Boot Capacity: Approx. 380 liters Weights Curb Weight: Varies by engine and equipment, typically 1200-1400 kg 🛡️ Safety Features Ratings Euroncap Rating: 5 Stars (2011) Euroncap Adult Occupant Protection: 81% Euroncap Child Occupant Protection: 75% Euroncap Pedestrian Protection: 68% Active...