🏷️ Basic Information Identification Make: Citroën Model: CX Year: 1978 Codes Chassis Code: CX1 👋 Introduction Market Position Positioning: The Citroën CX was positioned as a large, executive car offering advanced technology and distinctive styling, aiming at a premium market segment. Competitive Analysis Competitors: Competed with vehicles like the Peugeot 604, Renault 30, Ford Granada, and various German luxury sedans of the era. Key Features Aerodynamics: Exceptional aerodynamic design for its time, contributing to fuel efficiency and stability at high speeds. Hydropneumatic Suspension: Renowned hydropneumatic self-leveling suspension offering unparalleled ride comfort and handling. Steering: DIRAVI (Direction à rappel asservi) speed-sensitive power steering, providing varying assistance levels. Interior Design: Futuristic and ergonomic interior with unique dashboard and controls. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair for all aspects of the 1978 Citroën CX. Page Count Estimated Pages: 700+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine overhaul, fuel system, ignition system, cooling system, exhaust system. Drivetrain: Transmission (manual/automatic), clutch, driveshafts, differentials. Suspension Steering: Hydropneumatic suspension (front and rear), power steering, steering column, linkages. Brakes: Hydraulic brake system, front disc brakes, rear drum brakes, handbrake, brake fluid specifications. Electrical: 12-volt electrical system, battery, alternator, starter motor, lighting system, instrumentation, wiring diagrams. Bodywork Chassis: Body panel repair, door mechanisms, glass, trim, chassis maintenance. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, lubrication points. Diagnostics: Troubleshooting guides for common problems, fault diagnosis for engine, electrical, and hydraulic systems. Repair: Detailed step-by-step repair instructions for all major components and systems. Rebuild: Engine rebuilding, transmission overhaul, suspension component replacement. Adjustments: Carburetor adjustment, ignition timing, suspension height adjustment, brake adjustments. Technical Depth Depth: Highly detailed, suitable for both experienced mechanics and dedicated DIY enthusiasts. Covers complete vehicle overhaul. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Yes Print Quality: High-resolution scans, suitable for printing. Print Quality Image Clarity: Clear diagrams and photographs. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: CX20 (Type ES) Engine Type: Inline-4, OHC Displacement: 1981 cc (2.0 Liters) Bore X Stroke: 86 mm x 86 mm Compression Ratio: 8.75:1 Fuel System: Carburetor (Solex 34 PICS or similar) Performance Horsepower Ps: 106 PS (DIN) at 5200 rpm Torque Lb-Ft: 118 lb-ft (160 Nm) at 3000 rpm Cooling System Coolant Capacity: Approx. 7.5 Liters 🔧 Transmission Standard Type: 4-speed Manual Optional Type: 3-speed Automatic (BorgWarner BW35 or ZF 3HP12) Features Clutch: Single dry plate, hydraulically operated Manual Fluid Spec: API GL-4, SAE 80W-90 Automatic Fluid Spec: Dexron II 📐 Dimensions Exterior Length: 4640 mm (182.7 in) Width: 1770 mm (69.7 in) Height: 1370 mm (53.9 in) Wheelbase: 2900 mm (114.2 in) Front Track: 1500 mm (59.1 in) Rear Track: 1370 mm (53.9 in) Weights Curb Weight: 1270 kg (2799 lbs) Gross Vehicle Weight: 1740 kg (3836 lbs) Wheels Tires Standard Tire Size: 185 HR 14 Wheel Bolt Pattern: 5x108 🛡️ Safety Features Ratings Era Rating: N/A (Modern rating systems not prevalent for this era). Active Features Brakes: Independent front and rear hydraulic circuits, self-adjusting brakes. Steering: DIRAVI speed-sensitive power steering for enhanced control. Passive Features Body Structure: Designed with crumple zones and a rigid safety cell. Seatbelts: Lap and diagonal seatbelts for front occupants. Lighting: Advanced (for the time) lighting system with integrated fog lamps in some configurations. 💡 Technology Features Infotainment Radio System: Original models typically featured basic AM/FM radio, often with a cassette player in later years. Dashboard Design: Unique 'satellite' steering wheel with integrated controls and a futuristic dashboard layout. Driver Assistance Adaptive Lighting: Optional front cornering lights that activated with the turn signals. Connectivity Era Standard: No electronic connectivity features as understood today. 🔧 Maintenance Service Intervals Oil Change: Every 5,000 - 7,500 km (3,000 - 4,500 miles) or 6 months, whichever comes first. Filter Change: Oil filter with every oil change. Air filter and fuel filter annually or every 10,000-15,000 km. Spark Plugs: Every 15,000 - 20,000 km (9,000 - 12,000 miles). Timing Belt: N/A (Chain-driven camshafts on most CX engines) Fluid Specifications Engine Oil: API SF/CC, SAE 20W-50 or 15W-40 (depending on climate) Coolant: Ethylene glycol based antifreeze/coolant (50% mix with distilled water). Brake Fluid: DOT 3 or DOT 4 (Glycol-based). Hydropneumatic Fluid: LHM (Liquide Hydraulique Minéral) – Citroën’s proprietary mineral-based fluid. Fluid Capacities Engine Oil Capacity: Approx. 4.5 Liters with filter change Hydropneumatic System Capacity: Approx. 5-6 Liters (total system) Known Issues Suspension Leaks: Hydropneumatic spheres can degrade, leading to leaks or loss of pressure; pump and cooler hoses are also common failure points. Electrical Gremlins: Older wiring looms and connections can become brittle and corroded, leading to intermittent electrical faults. Rust Prone Areas: Wheel arches, sills, subframes, and the area around the...