🏷️ Basic Information Identification Make: Citroën Model: C4 Year: 2018 Codes Platform: PSA PF2 👋 Introduction Market Position Segment: Compact Family Car (C-segment) Competitive Analysis Key Competitors: Volkswagen Golf, Ford Focus, Opel/Vauxhall Astra, Peugeot 308, Renault Mégane. Key Features Design Philosophy: Emphasis on comfort, unique French styling, and practicality. Manual Purpose: To empower technicians and advanced DIY enthusiasts with the exact factory data needed for accurate servicing and repair of the 2018 Citroën C4. 📋 Manual Details Coverage Areas Covered Models: All 2018 Citroën C4 variants (Hatchback, likely including potential niche versions if applicable for the model year) Repair Scope: A-Z (comprehensive from basic maintenance to major repairs) Page Count Estimated Page Count: Likely in excess of 1500 pages (typical for comprehensive service manuals) Manual Type Type: Service and Repair Manual Language Language: English (assumed based on common product listings; verification advised) Format Format: Digital (likely PDF or similar electronic format for dealership use) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanicals (timing, pistons, valves), fuel injection, ignition, emissions control, cooling, lubrication, turbocharging (if applicable), engine management systems (ECU diagnostics). Transmission Systems: Manual and Automatic transmission overhaul, clutch operation, torque converter, gearbox diagnostics, fluid specifications, shifting mechanisms. Chassis Systems: Suspension (front and rear components, shock absorbers, springs), steering system (power steering pump, rack and pinion), braking system (ABS, EBD, brake pads, discs, calipers, hydraulic lines). Electrical Systems: Wiring diagrams, lighting, starter motor, alternator, battery, body control module (BCM), fuse box layouts, power windows, central locking, instrument cluster, sensors. Body And Interior: Body panel removal and installation, door mechanisms, interior trim, seat adjustments, airbag systems, HVAC system. Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid level checks and top-ups, spark plug replacement, belt inspections and tensioning, brake fluid flushes, coolant changes. Diagnostic Procedures: Troubleshooting guides based on symptoms, fault code interpretation (OBD-II), component testing, sensor diagnostics, electrical circuit analysis. Repair Procedures: Engine component replacement (e.g., alternator, starter, water pump), transmission repair, brake caliper replacement, suspension strut replacement, bodywork repairs. Special Procedures: Timing belt/chain replacement, clutch replacement, airbag system servicing, battery management system (BMS) procedures, catalytic converter replacement. Technical Depth Depth: Complete diagnostic and repair information, including torque specifications, special tool requirements, and detailed step-by-step instructions. Equivalent to factory workshop manuals. 📊 Manual Specifications File Format Format: PDF (Searchable and printable) Print Quality Quality: High-resolution images, clear diagrams, and crisp text. Binding Type Binding: N/A (Digital Format) Paper Type Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Example: PureTech (e.g., EB2DT - 1.2L Turbocharged 3-cylinder) Engine Type: Likely includes 1.2L PureTech turbocharged petrol and 1.6L BlueHDi diesel engines. Performance 1.2L Puretech (Eb2Dt): Approx. 110-130 PS (81-96 kW); Torque: Approx. 205-230 Nm 1.6L Bluehdi: Approx. 100-120 PS (74-88 kW); Torque: Approx. 250-300 Nm Fuel System Petrol Injection: Direct injection (GDI) Diesel Injection: Common Rail Direct Injection (CRDi) Emission Control Petrol Emissions: Euro 6 compliant, often with Gasoline Particulate Filter (GPF) in later models. Diesel Emissions: Euro 6 compliant, AdBlue/SCR system (Selective Catalytic Reduction) likely for NOx reduction. 🔧 Transmission Standard Petrol: 6-speed Manual Transmission (e.g., BE4 / MC) Diesel: 6-speed Manual Transmission (e.g., MC) Optional Petrol: EAT6 (Efficient Automatic Transmission, 6-speed torque converter) Diesel: EAT6 (Efficient Automatic Transmission, 6-speed torque converter) Features Automatic Features: P, R, N, D, Sport mode, manual sequential shifting (via selector lever). 📐 Dimensions Exterior Length: Approx. 4304 mm Width: Approx. 1789 mm (excluding mirrors) Height: Approx. 1488 mm Cargo Boot Capacity Litres: Approx. 380 litres (for hatchback) Weights Kerb Weight Kg Approx: 1200-1350 kg (depending on engine and transmission) 🛡️ Safety Features Ratings Euro Ncap Rating: 5 Stars (for the generation, specific 2018 assessment may vary but generally high) Active Features Braking Systems: ABS with EBD (Electronic Brakeforce Distribution) and EBA (Emergency Brake Assist), ESP (Electronic Stability Program), Traction Control. Driver Assistance: Hill Start Assist, Cruise Control with Speed Limiter. Passive Features Airbags: Front driver and passenger airbags, side airbags, curtain airbags. Seatbelts: Three-point seatbelts with pre-tensioners and load limiters, ISOFIX child seat anchorage points. 💡 Technology Features Infotainment System Name: Citroën Connect (e.g., SMEG or NAC infotainment systems) Features: 7-inch touchscreen, DAB radio, Bluetooth, USB connectivity, Mirror Screen (Apple CarPlay, Android Auto), Satellite Navigation (optional). Driver Assistance Optional Features: Reversing camera, Park Assist, Blind Spot Monitoring, Active Safety Brake (AEB). Connectivity Smart Device Integration: Mirror Screen functionality for smartphone integration. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 20,000 km or 12 months, whichever comes first (for PureTech petrol engines). Diesel engines may have similar intervals or slightly longer depending on operating conditions. Timing Belt Replacement: For PureTech engines, timing belt replacement is a critical maintenance item, usually recommended around 100,000 km or 6 years, but specific interval should be verified in the manual. Fluid Specifications Engine Oil Petrol: Low-viscosity synthetic oil, e.g., Total Quartz INEO ECS 0W-30 or PSA B71...