Basic Information Identification Make: Citroën Model: CX Year: 1977 Codes Chassis Code: CX Series 1 Introduction Market Position Vehicle Class: Executive/Large Family Car Competitive Analysis Key Competitors 1977: Jaguar XJ6, Mercedes-Benz S-Class (W116), BMW E12 5 Series, Ford Granada Key Features Distinctive Features: Aerodynamic 'fastback' styling, unique hydropneumatic suspension, DIRAVI speed-sensitive power steering, directional headlights, single-spoke steering wheel Manual Value Proposition Benefit To Owner: Empowers owners to perform all maintenance and repairs, saving money and preserving the vehicle's unique characteristics Manual Details Coverage Areas Geographic Coverage: Global (as applicable to the 1977 Citroën CX) Page Count Estimated Page Count: Detailed and extensive (exact count not provided, but implies comprehensive coverage) Manual Type Manual Classification: Full Service Repair Manual Language Language: English Format Digital Format: PDF Manual Coverage Systems Covered Engine Systems: Engine overhaul, tuning, fuel injection/carburetion, ignition, cooling, exhaust Transmission Systems: Manual and automatic transmission service, clutch, driveshafts Suspension And Steering: Hydropneumatic suspension system (Citroën's iconic 'DIRAVI'), steering rack, power steering Braking Systems: Hydraulic brake system, front and rear brake overhauls, parking brake Electrical Systems: Wiring diagrams, starter, alternator, battery, lighting, instrumentation, diagnostic procedures Body And Chassis: Bodywork repair, interior trim, glass, doors, latches, seat mechanisms Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes, filter replacements, lubrication Repair Procedures: Component disassembly, inspection, repair, reassembly for all major vehicle systems Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics, electrical system diagnostics Rebuilding Procedures: Detailed instructions for engine, transmission, and other major component rebuilds Technical Depth Depth Of Coverage: Comprehensive, covering all aspects from basic maintenance to advanced diagnostics and full rebuilds Target Audience: Professional technicians and experienced DIY mechanics Manual Specifications File Format File Type: PDF (Portable Document Format) Print Quality Printability: Fully printable, allowing users to print specific sections or the entire manual Binding Type Binding Method: Digital (No physical binding) Paper Type Digital Storage: Downloadable to hard drive, can be burned to CD-ROM Software Requirements Reader Software: Adobe PDF Reader Extraction Software: WinRAR (or equivalent decompression utility) Compatibility Operating Systems: Compatible with all versions of Windows and Mac OS Engine Specifications Primary Engine Engine Type: Inline-4 Cylinder, OHV Engine Displacement Liters: 1.970 L (1970cc) Engine Code: XL Performance Estimated Horsepower: 99 hp (DIN) @ 5500 rpm Estimated Torque: 152 Nm (112 lb-ft) @ 3000 rpm Fuel System Fuel Delivery: Weber 36 DCNVA carburetor Cooling System Cooling Medium: Water-cooled Ignition System Ignition Type: Breakerless electronic ignition (Bosch) Transmission Standard Standard Transmission Type: 4-speed Manual Transaxle Optional Optional Transmission Type: 3-speed Automatic Transaxle (Citroën DG-381) Features Transmission Layout: Front-wheel drive, integrated engine and transmission unit Dimensions Exterior Wheelbase Mm: 3000 mm Length Mm: 4680 mm Width Mm: 1760 mm Height Mm: 1380 mm Weights Curb Weight Kg: 1300 - 1400 kg (approx., depending on equipment) Safety Features Ratings Safety Standard Era: Designed to contemporary European safety standards of the late 1970s Active Features Active Safety Features: Four-wheel disc brakes, independent hydropneumatic suspension for stable ride, effective steering system Passive Features Passive Safety Features: Reinforced safety cage, collapsible steering column, padded interior elements Technology Features Infotainment Audio System: Factory-fitted radio (likely analog tuning), speaker configuration varied by trim Driver Assistance Steering Assistance: DIRAVI (Direction assistée à rappel asservi) - speed-sensitive power steering Lighting Technology: Optional directional headlights (swivel with steering) Connectivity Connectivity Features: None (1977 technology, pre-dating modern connectivity concepts) Maintenance Service Intervals Oil Change Interval Km: Recommended every 5,000 km or annually Hydropneumatic Fluid Check: Regular checks advised, fluid top-ups and filter changes as per manual Fluid Specifications Engine Oil Specification: API SE/CC or SF/CD, SAE 20W-50 or 10W-40 (refer to manual for exact viscosity based on climate) Hydropneumatic Fluid: LHM (Liquide Hydraulique Minéral) - Green colored mineral fluid Brake Fluid Specification: DOT 3 or DOT 4 (for brake system if separate from hydropneumatic) Known Issues Common Wear Items: Hydropneumatic spheres, suspension pumps, exhaust systems, electrical connections Potential Electrical Problems: Corrosion in connectors, aging wiring insulation, issues with self-leveling suspension sensors Engine Specific Considerations: Careful valve adjustment, carburetor tuning, timing belt/chain inspection (if applicable based on engine variant) Vehicle History Brand Heritage Citroen Innovation: Citroën's legacy of avant-garde engineering and comfort-focused design Model Evolution Cx Predecessor: Successor to the iconic Citroën DS Production Production Period: 1974-1991 (for the CX model line) Factory Locations: Mainly Quai de Javel, Paris, France, and later in Vigo, Spain Awards & Recognition Recognitions Design Awards: Consistently lauded for its futuristic and aerodynamic design Ratings Comfort Ratings: Widely recognized for its superior ride comfort, often compared favorably to luxury vehicles of its era