🏷️ Basic Information Identification Make: Citroën Model: CX Year: 1990 Vehicle Segment: Executive Car (E-segment) Codes Chassis Code: XM (though the CX was still produced alongside the XM until 1991, this manual pertains to the CX) 👋 Introduction Market Position Vehicle Class: Luxury/Executive sedan, known for its avant-garde design and technological innovation Competitive Analysis Competitors 1990: BMW 5 Series, Mercedes-Benz E-Class, Audi 100, Peugeot 605, Renault 25 Key Features Design Language: Aerodynamic, distinctive 'flying carpet' silhouette, innovative dashboard and steering wheel design Hydropneumatic Suspension: Self-leveling suspension providing exceptional ride comfort and handling characteristics Interior Ergonomics: Driver-focused cockpit, innovative single-spoke directional steering wheel Manual Value Proposition Diy Repair: Empowers owners to perform their own maintenance and repairs, ensuring quality and cost savings Technical Reference: Essential resource for diagnosing and rectifying complex issues specific to the CX model 📋 Manual Details Coverage Areas Manual Type: Comprehensive Service & Repair Manual Language: English Format: Downloadable Digital File (likely PDF) Page Count: Estimated 1000+ pages (typical for a full service manual) Documentation Source: Likely based on official Citroën workshop manuals 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, timing systems, lubrication, cooling, fuel injection/carburetion (depending on variant) Engine Electrical: Ignition system, starter, alternator, ECU diagnostics, wiring diagrams Transmission Manual: Clutch, gearbox overhaul, gear shift mechanisms, fluid specifications Transmission Automatic: Hydraulic system, torque converter, electronic control (if applicable), fluid specifications Suspension Hydropneumatic: Detailed coverage of the iconic Hydropneumatic system, spheres, pump, height correctors, fluid maintenance, troubleshooting Braking System: Front disc brakes, rear disc brakes, handbrake, hydraulic circuits, brake fluid specifications, bleeding procedures Steering System: Power steering pump, steering rack, steering column, alignment specifications Fuel System: Fuel tank, fuel pump, fuel lines, fuel filters, injection systems (Bosch L-Jetronic, K-Jetronic, etc.) Exhaust System: Exhaust manifold, catalytic converter (if fitted), mufflers, pipework Cooling System: Radiator, fan, water pump, thermostat, coolant specifications Climate Control: HVAC system, air conditioning, heating, ventilation, blower motor, controls Body Electrical: Lighting systems, wipers, horn, power windows, central locking, dashboard instruments, audio system Bodywork And Chassis: Structural components, corrosion protection, panel replacement, door mechanisms, glass replacement Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-ups, spark plug replacement, brake pad inspection Troubleshooting: Diagnostic charts for common symptoms, fault finding procedures for all major systems Engine Repair: Engine rebuild procedures, piston ring replacement, bearing replacement, cylinder head removal and installation Transmission Repair: Gearbox rebuild, clutch replacement, transmission fluid flush and fill Suspension Repair: Hydropneumatic sphere replacement, height corrector adjustment, pump service, component replacement Brake System Repair: Brake pad and disc replacement, caliper servicing, hydraulic line repair, master cylinder replacement Electrical Diagnostics: Wiring diagram interpretation, component testing, troubleshooting common electrical faults Bodywork Repair: Panel alignment, rust repair techniques, trim component removal and installation Technical Depth Diagnostic Tools: Information on using basic tools and potentially specialized diagnostic equipment for the era Torque Specifications: Detailed torque values for all critical fasteners Alignment Specifications: Wheel alignment angles (camber, caster, toe) and adjustment procedures Clearances And Tolerances: Engine component clearances (e.g., piston-to-wall, bearing clearances) and critical tolerances Wiring Diagrams: Comprehensive and detailed electrical wiring schematics for all vehicle systems 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF Print Quality Image Resolution: High-resolution, suitable for printing Binding Type Physical Binding: N/A (Digital Download) Paper Type Physical Paper: N/A (Digital Download) Completeness Coverage Scope: Covers all major mechanical, electrical, and bodywork aspects of the vehicle ⚙️ Engine Specifications Primary Engine Engine Code Common: Douvrin (PSA) J6A, J6S Engine Type: Inline 4-cylinder, SOHC (older versions) or DOHC (later versions, notably the CX 25 GTi Turbo) Displacement Common: 2.0L (1995cc), 2.2L (2173cc), 2.5L (2500cc, naturally aspirated and turbo variants) Performance Horsepower Typical 2.5L: 128 hp (94 kW) for naturally aspirated; 168 hp (124 kW) for CX 25 GTi Turbo Torque Typical 2.5L: 183 Nm (135 lb-ft) for naturally aspirated; 289 Nm (213 lb-ft) for CX 25 GTi Turbo Fuel System Fuel Delivery Common: Bosch L-Jetronic or K-Jetronic fuel injection; Weber carburetors on some earlier/base models Fuel Type Octane Rating Recommended: 95 RON (Unleaded) Cooling System Coolant Type: Ethylene glycol-based coolant (e.g., G11 specification or equivalent) 🔧 Transmission Standard Transmission Type Common: 5-speed Manual Optional Transmission Type Optional: 3-speed ZF 3HP22 Automatic Features Clutch Type: Dry, single-plate diaphragm spring Transmission Fluid Spec Manual: API GL-4, SAE 75W-90 or 80W-90 gear oil Transmission Fluid Spec Auto: Dexron II or III (or equivalent specification) 📐 Dimensions Exterior Length: Approx. 4.75 - 4.95 meters (depending on model variant) Width: Approx. 1.77 meters Height: Approx. 1.37 meters (due to hydropneumatic suspension, adjustable) Weights Curb Weight Typical: Approx. 1300 - 1500 kg Gross Vehicle Weight: Varies by model, typically around 1800 - 2000 kg 🛡️ Safety Features Ratings Crash Test Era: Data from this era is not directly comparable to modern NCAP ratings; designed to French safety standards of the time. Active Features...