🏷️ Basic Information Identification Make: Citroën Model: CX Year: 1991 Codes Chassis Code: MA (Series 2) 👋 Introduction Market Position Segment: Executive/Luxury Sedan Uniqueness: Pioneering hydropneumatic suspension system, aerodynamic design, front-wheel drive layout Competitive Analysis Competitors 1991: Mercedes-Benz W124 E-Class, BMW E34 5 Series, Audi V8 Quattro, Peugeot 605 Key Features Design Philosophy: Aerodynamic 'jet-age' styling, comfort-oriented ride quality, innovative engineering Driver Experience: Exceptional ride comfort and road holding due to hydropneumatic suspension, intuitive controls 📋 Manual Details Coverage Areas Covered Models: Citroën CX (all variants, including Prestige, GTi, TRD, etc.) for the 1991 model year Page Count Estimated Pages: Approximately 800-1200 pages (typical for comprehensive service manuals of this era) Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English (translated from original French) Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, cooling system Drivetrain: Transmission (manual and automatic), clutch, drive shafts, differentials Chassis: Suspension (hydropneumatic systems), steering, brakes (hydraulic, ABS), wheels, tires Electrical: Wiring diagrams, lighting system, starting and charging system, ignition system, instrumentation, power accessories, body electronics Body: Body construction, interior trim, exterior trim, glass, doors, hoods, latches Procedures Included Maintenance: Scheduled maintenance intervals, fluid checks and changes, filter replacements, lubrication points Diagnostics: Troubleshooting guides, fault code interpretation (where applicable), diagnostic charts, component testing procedures Repair: Step-by-step repair procedures for all major components and systems, including engine rebuilds, transmission overhauls, suspension component replacement, brake caliper rebuilds Overhaul: Detailed instructions for the disassembly, inspection, and reassembly of engine, transmission, and suspension components Adjustment: Calibration and adjustment procedures for systems like ignition timing, carburetor settings (if applicable), suspension height Technical Depth Depth: Comprehensive coverage for professional technicians, including detailed diagrams, torque specifications, tolerances, and diagnostic procedures Diagnostic Level: Advanced diagnostics, including electrical system troubleshooting and hydraulic system analysis 📊 Manual Specifications File Format Digital Format: Searchable PDF with high-resolution diagrams and text Print Quality Digital Quality: Printable at home or professional print shop, ensuring clarity of diagrams and text Binding Type Digital Binding: N/A (Digital Format) Paper Type Digital Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: Douvrin (PRV V6) - various displacements available for 1991 Displacement 1: 2.0 Liters (e.g., CX 20) - 1995cc Displacement 2: 2.2 Liters (e.g., CX 22) - 2165cc Displacement 3: 2.5 Liters (e.g., CX 25, GTi) - 2494cc Performance Horsepower 2.0L: Approx. 110-115 hp (net) Horsepower 2.2L: Approx. 115-120 hp (net) Horsepower 2.5L: Approx. 130-138 hp (net) Horsepower 2.5L Gti: Approx. 160-168 hp (net, fuel injected) Fuel System Induction 2.0L: Carburetor (e.g., Weber or Solex twin-choke) Induction 2.2L: Carburetor (e.g., Solex twin-choke) Induction 2.5L: Carburetor (e.g., Solex twin-choke) or Bosch L-Jetronic Fuel Injection (GTi variant) Fuel Type: Unleaded Gasoline (95-98 RON recommended) 🔧 Transmission Standard Transmission Type Std: 4-speed Manual Transmission (e.g., UNC 5-speed available on some models) Optional Transmission Type Opt: 3-speed or 4-speed ZF Automatic Transmission Features Clutch Type: Hydraulic clutch actuation Transaxle: Front-wheel drive transaxle design 📐 Dimensions Exterior Length: Approx. 4.78 m (Berline) Width: Approx. 1.77 m Height: Approx. 1.37 m Wheelbase: Approx. 2.90 m Weights Curb Weight: Approx. 1300-1500 kg (depending on engine and equipment) 🛡️ Safety Features Ratings Crash Test Availability: Limited contemporary crash test data available from independent agencies Active Features Braking System: Hydraulic, servo-assisted with front discs and rear drums. ABS available on higher trims/later models. Suspension Stability: Hydropneumatic self-leveling suspension contributes to stability Passive Features Seat Belts: Three-point seat belts (front and rear) Body Structure: Reinforced safety cage, crumple zones 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette player, often with amplifier Driver Assistance ABS: Anti-lock Braking System (optional on some models) Power Steering: Hydraulic power steering, often with variable assist Connectivity Original Features: Central locking, electric windows, air conditioning (optional) 🔧 Maintenance Service Intervals Oil Change: Every 7,500-10,000 km or 12 months Air Filter: Every 15,000-20,000 km Spark Plugs: Every 20,000-30,000 km (depending on type) Timing Belt: Crucial: Replace every 60,000-80,000 km or 4-5 years (non-interference engine on some variants, but critical for reliability) Fluid Specifications Engine Oil: 10W-40 or 15W-50 (API SF/SG) - check manual for specific viscosity and API rating Transmission Fluid Manual: GL-4 75W-90 or 80W-90 Gear Oil Transmission Fluid Auto: Dexron II (or equivalent) Hydropneumatic Fluid: LHM (Citroën Hydraulic Fluid - Green color) Known Issues Hydropneumatic System: Leaking spheres, failing hydraulic pump, worn seals, height corrector issues Electrical System: Corrosion in connectors, failing dashboard components, wiring harness degradation Rust: Prone to rust in wheel arches, sills, and floor pans, especially in damp climates Engine Cooling: Overheating due to compromised radiator or fan operation Exhaust System: Corrosion and leaks, particularly on longer tailpipes of larger engines 📚 Vehicle History Brand Heritage Citroen Innovation: Renowned for automotive innovation, particularly in suspension and aerodynamics (DS, SM) Model Evolution Cx Development: Successor to the iconic Citroën...