Basic Information Identification Make: Citroën Model: CX Year: 1975 Generation Generation Designation: CX (Series 1) Introduction Market Position Vehicle Class: Executive Car Original Market Segment: High-end, innovative European sedan Competitive Analysis Key Competitors 1975: Mercedes-Benz W116, BMW E23, Peugeot 604 Key Features Innovative Features: Hydropneumatic suspension, DIRAVI power steering, aerodynamic design Design Philosophy: Comfort, ride quality, aerodynamic efficiency, avant-garde styling Manual Details Coverage Areas Primary Coverage: Full Service, Repair, Maintenance, Rebuilding, Refurbishment, Restoration Diagnostic Coverage: All diagnostic and repair procedures Page Count Estimated Page Count: Likely extensive, typical for a full workshop manual (exact count not provided, but described as 'very detailed') Manual Type Type: Full Service Repair Manual Language Language: English Format Delivery Method: Instant Download File Format: PDF Compatibility: All Versions of Windows & Mac Manual Coverage Systems Covered Engine Systems: Engine mechanicals, fuel system, ignition system, cooling system, lubrication system, emissions control Transmission Systems: Manual and Automatic transmissions (specific details may vary by model variant within 1975) Electrical Systems: Complete electrical system, wiring diagrams, troubleshooting, lighting, accessories Chassis Systems: Suspension (including Hydropneumatic system), steering, brakes, wheels, tires Body And Interior: Bodywork, doors, windows, interior trim, seats, HVAC Procedures Included Maintenance: Scheduled maintenance, routine checks, fluid changes, filter replacements Repair: Component removal and installation, adjustments, overhaul procedures for all major systems Troubleshooting: Diagnostic procedures, fault identification, repair steps for common and uncommon issues Restoration: Detailed guidance for refurbishing and restoring the vehicle Technical Depth Depth: Comprehensive, covering professional technician level procedures and data for DIY mechanics Manual Specifications File Format Quality: Full Printable, suitable for printing individual sections or the entire manual Searchability: Implied searchable text within PDF format Binding Type Binding: Digital (PDF) - no physical binding Paper Type Paper Type: Not applicable (digital format) Requirements Software Requirements: Adobe PDF Reader & WinRAR Engine Specifications Primary Engine Engine Code: Likely ES9 (2.0L OHV Inline-4) for base models, or potentially larger displacements for higher trims, specific to 1975 variants. Engine Type: Inline 4-cylinder, OHV (Overhead Valve) Displacement: Approximately 1981 cc (for ES9 engine) Performance Horsepower: Approximately 99-105 hp DIN for 2.0L (ES9) Torque: Approximately 150-160 Nm for 2.0L (ES9) Fuel System Fuel Delivery: Carbureted (e.g., Solex or Weber twin-barrel) for base models, potentially fuel injection for higher trims or later variants. Transmission Standard Transmission Type Standard: 4-speed Manual Optional Transmission Type Optional: 3-speed or 4-speed Automatic (e.g., BorgWarner or ZF) Features Clutch Type: Single dry plate clutch Dimensions Exterior Length: Approximately 4680 mm (184.3 in) Width: Approximately 1770 mm (69.7 in) Height: Approximately 1360 mm (53.5 in) Weights Curb Weight: Approximately 1200-1350 kg (2645-2976 lbs), depending on engine and transmission Safety Features Ratings Crash Test Results: No official modern crash test ratings available for this era, but designed with a deformable front end and a rigid safety cage. Active Features Braking System: Hydraulically assisted disc brakes on all wheels (inboard rear discs for reduced unsprung weight) Steering System: DIRAVI (Direction Assistée à Rappel Asservi) variable power steering Passive Features Seat Belts: Front seat belts standard, rear belts optional or standard depending on market Body Structure: High-strength steel body shell with crumple zones Technology Features Infotainment Radio Options: Optional factory-fitted or dealer-installed radio, typically AM/FM Driver Assistance Steering System: DIRAVI system provides variable power assistance that increases at low speeds and decreases at higher speeds, improving maneuverability and road feel. Suspension System: Hydropneumatic suspension offers self-leveling and adjustable ride height, providing exceptional ride comfort and handling. Connectivity Connectivity Features: None in the modern sense; focused on mechanical and electrical systems. Maintenance Service Intervals Oil Change Interval: Typically 5,000-7,500 km (3,000-4,500 miles) or 6-12 months, depending on usage and oil type. Lubrication Service: Every 10,000-15,000 km (6,000-9,000 miles) Fluid Specifications Engine Oil Type: API SE/SF or ACEA A2-96, SAE 20W-50 or 15W-40 recommended for ambient temperatures. Refer to manual for exact specifications. Hydropneumatic Fluid Type: Citroën LHS 2 (or equivalent mineral-based hydraulic fluid suitable for LHM systems, though LHS 2 is specific to early CX models). *Caution: Do NOT use modern LHM Plus.* Brake Fluid Type: DOT 3 or DOT 4 (for conventional hydraulic systems, not the hydropneumatic system) Known Issues Common Problems Hydropneumatic: Leaking spheres, worn seals in the pump and regulators, height corrector issues, fluid contamination. Common Problems Engine: Oil leaks, camshaft wear, carburetor tuning issues, exhaust manifold cracking. Common Problems Electrical: Corrosion in connectors, intermittent faults in wiring harnesses, issues with the fuse box. Common Problems Diravi: Leaking steering rack seals, loss of power assistance. Vehicle History Brand Heritage Citroen Innovation: Citroën is renowned for pioneering automotive technology, particularly with the Traction Avant and DS models. Model Evolution Cx Development: The CX was developed as the successor to the iconic DS, carrying forward many of its innovative features while offering a more modern design and improved aerodynamics. Launch Year: 1974 (1975 model year designation) Production Production Period:...